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NEC POWERMATE ENTERPRISE NETPC - SERVICE Service Manual

Summary of POWERMATE ENTERPRISE NETPC - SERVICE

  • Page 1

    First printing — november 1997 copyright 1997 nec computer systems division packard bell nec, inc. 1414 massachusetts avenue boxborough, ma 01719-2298 all rights reserved proprietary notice and liability disclaimer the information disclosed in this document, including all designs and related materia...

  • Page 2: Preface

    Xiii preface this manual contains technical information necessary for servicing and repairing the nec powermate enterprise netpc computer from nec computer systems division, packard bell nec, inc. It contains hardware and interface information for users who need an overview of system design. The man...

  • Page 3

    Xiv preface note: the powermate netpc system is designed to be repaired by qualified, neccsd- trained technicians at the depot level of service. Appendix a — connector pin assignments provides a list of system, riser, and option board internal connector pin assignments and a list of external pin ass...

  • Page 4: Abbreviations

    Xv abbreviations a ampere ac alternating current at advanced technology (ibm pc) ata at attachment atapi at attachment packet interface bbs bulletin board service bcd binary-coded decimal bcu bios customized utility bios basic input/output system bit binary digit buu bios upgrade utility bpi bits pe...

  • Page 5

    Xvi abbreviations k kilo (1024) k kilo (1000) kb kilobyte kg kilogram khz kilohertz lb pound led light-emitting diode lsb least-significant bit lsi large-scale integration m mega ma milliamps max maximum mb megabyte mda monochrome display adapter mfm modified frequency modulation mhz megahertz mpeg ...

  • Page 6

    Abbreviations xvii.

  • Page 7: Contents

    Iii contents page preface......................................................................................................................... Xiii abbreviations............................................................................................................... Xv section 1 technical ...

  • Page 8

    Iv contents checking the voltage switch ................................................................................ 2-3 selecting system orientation................................................................................. 2-4 connecting cables ..............................................

  • Page 9

    Contents v flash utility ................................................................................................................. 2-24 landesk client manager............................................................................................ 2-25 pc health indicator ...................

  • Page 10

    Vi contents section 4 maintenance and troubleshooting online services ............................................................................................................ 4-2 neccsd faxflash service................................................................................... 4-2 neccsd...

  • Page 11

    Contents vii hard disk drive.................................................................................................... 5-13 removal......................................................................................................... 5-13 replacement .......................................

  • Page 12

    Viii contents riser card connector locations .................................................................................. A-10 wake on lan connector..................................................................................... A-11 remote wake up connector .................................

  • Page 13

    Contents ix 2-7 front panel controls and indicators ...............................................................2-8 2-8 setup main menu........................................................................................... 2-12 2-9 welcome screen .................................................

  • Page 14

    X contents 5-10 removing a memory module (dimm) .......................................................... 5-15 5-11 removing the system board screws and riser card cables ........................... 5-17 5-12 removing the plastic rivets on the riser card ...............................................

  • Page 15

    Contents xi 1-7 dma settings ................................................................................................ 1-14 1-8 parallel port addresses and interrupts ............................................................ 1-16 1-9 serial port 1 addresses and interrupts.....................

  • Page 16

    Xii contents a-10 riser board connectors and components ...................................................... A-10 a-11 wake on lan connector pin assignments.................................................... A-11 a-12 remote wake up connector pin assignments .........................................

  • Page 17: Section 1

    Section 1 technical information system overview nec powermate enterprise netpc computers are designed to enable central administration of computer resources in network environments. A highly manageable platform, the netpc features network boot capabilities, controlled upgrade paths for system enhanc...

  • Page 18

    1-2 technical information figure 1-1 powermate netpc features – front view figure 1-2 powermate netpc features – back view.

  • Page 19

    Technical information 1-3 the netpc chassis is divided into two sheet-metal halves. This allows the box to be completely enclosed and “sealed” before plastics are installed on the outside. The top half of the system contains the hard disk, fan, and power supply. The bottom half contains the system b...

  • Page 20

    1-4 technical information figure 1-4 chassis hardware features powermate netpc computers are configured according to table 1-1. Table 1-1 powermate netpc system configuration component description system unit system board intel cn430tx (with sound) cpu* pentium 166-mhz mmx pentium 200-mhz mmx system...

  • Page 21

    Technical information 1-5 table 1-1 powermate netpc system configuration component description audio yamaha opl3-sa3 power supply astec 51-watt (rated) keyboard “melted” chicony kb8963 mouse microsoft intellimouse 68874 system board the system board includes the following features: intel 82430tx pci...

  • Page 22

    1-6 technical information national heceta lm78 chip for monitoring voltage, temperature, and security integrated sound opti sound blaster pro , opti sound blaster 2.0, and microsoft windows sound system compatible srs 3d sound logic built-in 16-bit sigma-delta stereo codec and fm synthesis one intel...

  • Page 23

    Technical information 1-7 table 1-2 lists the major chips on the system board. See appendix a, “connector pin assignments,” for a list of the system board connectors. See appendix b, “jumper settings,” for a description of board switches. Table 1-2 system board feature components chip function penti...

  • Page 24

    1-8 technical information the mmx processor has 32 kb of built-in cache memory (16 kb instruction and 16 kb data). To use the pentium processor’s power, the system features an optimized 64-bit memory interface and 256 kb of secondary write-back cache located on the system board. The processor is com...

  • Page 25

    Technical information 1-9 the bios programs execute the power-on self-test, initialize processor controllers, and interact with the display, diskette drives, hard disk drives, communication devices, and peripherals. The system bios also contains the setup utility. The post copies the rom bios into r...

  • Page 26

    1-10 technical information i/o addressing the processor communicates with i/o devices by i/o mapping. The hexadecimal (hex) addresses of i/o devices are listed in table 1-4. (in plug and play systems, these addresses are typical but may vary by configuration.) table 1-4 i/o address map address (hex)...

  • Page 27

    Technical information 1-11 table 1-4 i/o address map address (hex) i/o device name 003c0-03df s3 virge/dx/gx pci graphics 03f0-03f5 standard diskette drive controller 03f6 intel 82371ab pci bus master ide controller 03f6 primary ide controller (dual fifo) 03f7 standard diskette drive controller 04d0...

  • Page 28

    1-12 technical information memory upgrades are easy with dimms. Advantages of using dimms are listed below: dimms do not need to be installed in pairs on the system board. Dimms of different memory types and sizes can be installed on the same board. No switches or jumpers need to be set if the memor...

  • Page 29

    Technical information 1-13 table 1-6 interrupt level assignments* interrupt assignment* windows 95 system windows nt 4.0 system 0 system timer system timer 1 keyboard keyboard 2 sound sound 3 not used not used 4 serial port a - com1 serial port a - com1 5 opl3-sa x opl3-sa x 6 floppy disk floppy dis...

  • Page 30

    1-14 technical information dma settings are given in table 1-7. Table 1-7 dma settings* dma windows 95 system windows nt 4.0 system 0 opl3-sax opl3-sax 1 opl3-sax opl3-sax 2 floppy disk controller floppy disk controller 3 available available 4 cascade cascade 5 available available 6 available availa...

  • Page 31

    Technical information 1-15 plug and play the system comes with a plug and play bios in support of plug and play technology. Plug and play simplifies setup procedures for installing plug and play expansion boards. With plug and play, adding a plug and play expansion board is done by turning off the s...

  • Page 32

    1-16 technical information pci/ide ports the system board supports one high-performance pci/ide port (the primary channel for a master/slave configuration), though the port is actually located on the riser card. The port supports one or two devices in a master/slave setting configurable in bios setu...

  • Page 33

    Technical information 1-17 note: any interrupts used for the built-in parallel port are not available for isa parallel ports. Parallel interface signals are output through the system board 25-pin, d-subconnector. The connector is located at the rear of the system unit. Pin locations for the parallel...

  • Page 34

    1-18 technical information note: any interrupts used for the built-in serial ports are not available for isa parallel ports. If serial ports share an interrupt, verify that hardware and software added to the system can share these interrupts without problems. Table 1-9 serial port 1 addresses and in...

  • Page 35

    Technical information 1-19 serial interface signals are output through the system board 9-pin, d-subconnectors. The connectors are located at the rear of the system unit. Pin locations for the serial interface connector are shown in appendix a. Usb interface the universal serial bus (usb) ports allo...

  • Page 36

    1-20 technical information the default video mode is 800 by 600 pixels with 256 colors. The system also supports the resolutions, colors, and refresh rates listed in table 1-11. Table 1-11 supported resolutions, colors, and refresh rates refresh rate (hz) 2-mb memory resolution (pixels) 4-bit color ...

  • Page 37

    Technical information 1-21 the yamaha opl3-sa3 includes a full plug and play interface. Each logical device is configured into the host environment using the plug and play configuration methodologies. The audio subsystem requires two dma channels and one interrupt. Diskette drive support a diskette ...

  • Page 38

    1-22 technical information the power supply supports remote power on/off. This means that the system board and riser card can turn off the system power through software control. Pin 14 of the power supply connector lets the system board recognize a power supply that supports this “soft- off” feature...

  • Page 39

    Technical information 1-23 specifications system specifications are found in table 1-12 through table 1-21. Table 1-12 system board specifications feature specification system board intel cn430tx with integrated audio processor pentium 166 mhz mmx, 200 mhz mmx cache memory 32 kb of primary cache (16...

  • Page 40

    1-24 technical information table 1-13 general specifications feature specification recommended operating environment temperature: 50 ° f to 95 ° f (10 ° c to 35 ° c) relative humidity: 20% to 80% administrative compliance ul 1950 - safety csa c22.2 no. 950-m89 tuv en60950: 1988 fcc part 15, subpart ...

  • Page 41

    Technical information 1-25 table 1-16 system unit specifications feature specification dimensions width (horizontal): 9.5 in (241 mm) depth: 12.5 in (318 mm) height (horizontal): 3.5 in (89 mm) weight approximately 13.5 lb. (6.14 kg), dependent upon options expansion board slots one 32-bit pci slot ...

  • Page 42

    1-26 technical information table 1-17 2.0-gb hard disk drive specifications feature specification performance track to track seek (typical) 3.0 ms average seek, read/write 11.5/13.5 ms maximum seek, read/write 15.0/17.0 ms average latency 5.8 ms rotation speed 5200 rpm data transfer rate buffer to d...

  • Page 43

    Technical information 1-27 table 1-18 3.2-gb hard disk drive specifications feature specification hard disk drive 3.2-gb western digital caviar (wdac33200-00la) physical configuration formatted capacity number of disks data surfaces number of r/w heads 3249 mb 3 5 5 maximum data rate from media 114 ...

  • Page 44

    1-28 technical information table 1-18 3.2-gb hard disk drive specifications feature specification actuator rotary voice coil interface 40-pin eide bus connector temperature (non-condensing) operating: 5 ° to 55 ° c (41 ° to 131 ° f) non-operating: -40 ° to 60 ° c (-40 ° to 138 ° f) humidity (non-con...

  • Page 45

    Technical information 1-29 table 1-19 environmental standards parameter condition specification ac line line volt/freq. 90-132, 180-264 vac; 47/63 hz (switch-selectable) source interrupt power drop-out of 17ms surge 2.0 kv unidirectional; 3.0 kv ringwave acoustical noise bystander position (1 meter)...

  • Page 46

    1-30 technical information table 1-21 riser card specifications feature specification riser card intel features nlx compatible support intel pro100b lan controller support for ultra dma support for up to 10 mb/second 32-bit transfers on pci bus support for a total of two ide devices; 40-pin connecto...

  • Page 47: Section 2

    Section 2 setup and operation this chapter contains information on setting up the powermate netpc system and covers the following topics: site selection installation startup and shutdown setup utility flash utility nec auto backup utility landesk client manager nec select install cd. Warning: hazard...

  • Page 48

    2-2 technical information make sure there is enough space around the computer for cooling and adequate air flow – about 3.93 in. (10 cm) clearance in back, 1.96 in.(5 cm) on each side, and 3.93 in. (10 cm) in front. The computer has external vents for cooling and air flow (see the following figure)....

  • Page 49

    Technical information 2-3 warning: do not plug in the computer power cable until you connect all other external cables (for example, keyboard, mouse, monitor, and lan). The following sections provide installation guidelines and procedures. Caution: the push-button on/off power switch on the front pa...

  • Page 50

    2-4 technical information figure 2-2 line voltage switch selector selecting system orientation the computer is designed to sit in a horizontal or vertical position on a desktop or other surface away from the floor. In the horizontal position, the computer supports standard 15-inch monitors. Figure 2...

  • Page 51

    Technical information 2-5 warning: to ensure stability, center the unit in the stand as shown in the following figure. Do not place the unit in the vertical position without the stand. Damage to equipment and data may result if the computer accidentally tips over. Figure 2-4 vertical orientation con...

  • Page 52

    2-6 technical information figure 2-5 rear panel connectors preventing internal access to prevent access to the inside of the computer, install a padlock in the small padlock slot in the back of the system (see the following figure). Figure 2-6 chassis security.

  • Page 53

    Technical information 2-7 operation the following sections provide basic procedures for starting up and shutting down the computer. Starting up power on the system using the following steps. 1. Plug the monitor power cable into a grounded wall outlet. 2. Plug the computer’s power cable into the ac p...

  • Page 54

    2-8 technical information hard drive activity (green) this led indicates that data is being read from or written to an ide hard drive. For the led to function properly, the ide drive must be connected to the onboard ide controller on the riser card. Lan activity (green) this led indicates that data ...

  • Page 55

    Technical information 2-9 one beep indicates that the system has successfully completed the power-on test. After about five seconds, windows starts up. Note: if the system does not complete post, press the power switch for approximately six seconds to power down the system. If a problem occurs, a se...

  • Page 56

    2-10 technical information 4. Press the windows start button, then point to and click “shut down.” selecting “shut down” gives you several choices in the pop-up submenu. Select “shut down the computer,” then click the yes button or press enter to shut down the computer. Note: a message appears infor...

  • Page 57

    Technical information 2-11 when to use setup the setup utility lets you view and set system parameters. Use the setup utility program to: set the time and date. Update or check system parameters when expansion options have been added or removed. Change or set power management features. Correct a har...

  • Page 58

    2-12 technical information figure 2-8 setup main menu how to use setup use the keys shown on the bottom of the setup menu to make your selections or exit the current menu. The following table describes the navigation keys. Table 2-3 navigation keys key function f1 provides help for the parameter fie...

  • Page 59

    Technical information 2-13 main menu items preceded by > contain a submenu of selectable fields for setting system parameters. To display a submenu, use the arrow keys to move the cursor to the submenu you want. Then press enter . Main menu choose the main menu by selecting main menu in the legend b...

  • Page 60

    2-14 technical information floppy options the parameters for this field (diskette a:, diskette b:, and floppy write protect) are set to “disabled” because the powermate netpc contains no diskette drive. Note: these parameter also appear in configuration mode as part of the bios recovery procedure de...

  • Page 61

    Technical information 2-15 type use this field to enter the hard disk drive type. The following options are available: “auto” automatically configures the device. “user” prompts the user to fill in the remaining fields. “none” indicates that no device is selected. Cylinders enter the number of cylin...

  • Page 62

    2-16 technical information advanced menu selecting “advanced” from the main menu displays a menu with the following options. Pnp o/s the pnp field indicates if the computer’s operating system is configured to use plug and play devices. Choose “yes” if you are using a system that has plug and play. T...

  • Page 63

    Technical information 2-17 dc00-dfff memory hole the default setting for this parameter is “disabled.” when set to “enabled,” this parameter turns system ram off to free address space for use with an option card. When enabled, memory choices are “conventional” or “extended.” either a 128-kb conventi...

  • Page 64

    2-18 technical information interrupt available irqs include “irq3” (serial port a default) and “irq4” (serial port b default). Note: when an option is selected for one serial port, that selection is not available for the second port. Parallel port selectable parameters for this field are disabled, e...

  • Page 65

    Technical information 2-19 lan this field configures the lan device. The default setting is “enabled.” legacy usb support this field enables (the default ) or disables support for legacy universal serial bus (usb) devices. Hardware monitor this field enables (the default) or disables the on-board ha...

  • Page 66

    2-20 technical information mark dmi events as read press enter to mark dmi events. Security menu the security menu contains features that enable you to restrict access to the computer. The security menu contains the following fields. User password is this read-only field lets you determine whether a...

  • Page 67

    Technical information 2-21 4. Type the password (passwords are not case sensitive) and press enter . Reenter the password and press enter again. 5. Use the arrow keys to select exit . 6. Select exit saving changes. Press enter . 7. At the prompt, to confirm exiting setup, press enter . The password ...

  • Page 68

    2-22 technical information when this field is set to disabled (the default setting), the user is prompted for the password before the system can boot. The text string prompt “enter password (1)” is displayed. When this field is set to enabled and a user password is set, the system boots and runs, bu...

  • Page 69

    Technical information 2-23 on modem ring this field enables an external modem to work even when the system is in a power reduction state. Choosing “power on” (the default) restores the system to full power so it can receive a modem ring. Choose “stay off” if you do not want full power restored on a ...

  • Page 70

    2-24 technical information exit menu selecting “exit” from the menu bar displays the following exit options. Note: esc does not exit this menu. You must select one of the items from the menu to exit. Exit saving changes choose this option if you wish to save any changes made and exit the setup progr...

  • Page 71

    Technical information 2-25 note: the following procedure requires that you connect an external diskette drive (with a separate power supply) to the diskette drive connector on the riser card. 1. Write down the setup parameters currently set on the system. 2. Turn off the system. 3. Insert the flash ...

  • Page 72

    2-26 technical information detect changes to cpu, memory, and hard disk characteristics and alert you to these changes transfer files to and from client workstations remotely reboot client workstations. There are two main components of client manager: pc health indicator and inventory. Pc health ind...

  • Page 73

    Technical information 2-27 temperatures power supplies chassis opened non-critical boot failure boot virus detection. Once a threshold level has been passed on a workstation, you can request notification of the problem and have it written into a log file. Inventory client manager inventory views the...

  • Page 74

    2-28 technical information dmi the desktop management interface (dmi) is the industry-standard used to manage system components on the computer. The powermate netpc uses this standard along with landesk client manager to ensure interoperability among different vendor’s computers. Examples of system ...

  • Page 75

    Technical information 2-29 nec auto backup utility the nec auto backup utility is a data management and backup program that operates in conjunction with landesk’s dmi and the self-monitoring analysis and reporting technology (s.M.A.R.T) hard drive instrumentation. If the s.M.A.R.T. Drive identifies ...

  • Page 76

    2-30 technical information operating system restore os restore is the first phase of a full system installation. To perform an os restore, the system administrator must create a service and download the operating system from the select install cd in the lcm cd-rom reader. The client (user) completes...

  • Page 77

    Technical information 2-31 in the text and description field, type in the service text that a user sees in the service boot menu (maximum of 80 characters). For example, type netpc system setup . Type any additional information in the optional description of service field that you want displayed whe...

  • Page 78

    2-32 technical information click the menus tab. Highlight the menu in the available menus list. Click edit . In the menu editor screen, available service appears on the lower left, and displayed services is on the lower right. In available service, highlight the new service and click the add button....

  • Page 79

    Technical information 2-33 figure 2-9 welcome screen 8. Click continue to continue (or exit to exit the program). A license agreement screen appears with three options: back, reject, and accept. The back button returns you to the welcome screen. The reject button terminates the restoration process. ...

  • Page 80

    2-34 technical information 10. Click custom (instead of auto ) on the restore mode screen so you do not partition and format the hard disk before restoring the os (see the following figure). Figure 2-10 restore mode screen after you click custom , a partitioning the hard drive screen appears with op...

  • Page 81

    Technical information 2-35 click quick to do a quick hard disk format. Click full to do a full hard disk format. Figure 2-12 format mode screen after you click quick or full , the installing applications screen appears (see the following figure), indicating the status of the restore process as the o...

  • Page 82

    2-36 technical information selective application restore program after the operating system is up and running, the system administrator can begin phase two, allowing installation of the applications associated with the os. Use this process to reinstall selected applications at any time. 1. Place the...

  • Page 83

    Technical information 2-37 note: items that appear grayed-out are already installed on the system. 6. Click ok . The application files reload sequentially, and a progress bar appears for each application selected. 7. When all the applications have finished installing, remove the cd. 8. Click restart...

  • Page 84: Section 3

    Section 3 option installation the powermate netpc computer supports a variety of industry-standard and neccsd expansion options. This section provides installation instructions for the following options: expansion boards dimm memory module upgrade processor upgrade hard disk upgrade. All options req...

  • Page 85

    3-2 option installation safety precautions observe safety rules when working inside the system and when handling computer components. Avoid electric shock or personal injury by observing the following warning. Warning: before removing the system unit cover, turn off the power and unplug the system p...

  • Page 86

    Option installation 3-3 always hold a chip or board by its edges. Avoid touching the components on the chip or board. Take care when connecting or disconnecting cables. A damaged cable can cause a short in the electrical circuit. When installing a cable, route the cable so it is not pinched by other...

  • Page 87

    3-4 option installation internal access the following sections describe how to remove the system unit cover, open and close the chassis, and replace the system unit cover. Removing the system unit top cover before installing optional hardware inside the computer, first remove the system unit top cov...

  • Page 88

    Option installation 3-5 figure 3-3 removing the system unit top cover opening the system chassis open the system’s metal chassis as follows: 1. Remove the system unit cover as previously described. 2. Remove the front bezel by pressing down the two plastic tabs and pulling the tabs out of the slots ...

  • Page 89

    3-6 option installation figure 3-4 removing the front bezel 3. Remove the screws, six on top and three in front, securing the two halves of the chassis. Figure 3-5 locating system chassis screws.

  • Page 90

    Option installation 3-7 4. Carefully separate the two halves of the chassis by raising the top unit until it separates from the bottom. The top unit contains the hard disk, fan, and power supply. The bottom unit contains the system board and riser card. 5. Unplug the power supply cable from the conn...

  • Page 91

    3-8 option installation replacing the system unit top cover after installing the expansion board, memory module, processor upgrade, or hard disk upgrade options as described later in this chapter, close the chassis and replace the system unit top cover as follows: 1. Close the chassis as previously ...

  • Page 92

    Option installation 3-9 installing an expansion board to install an expansion board in the system, use the following steps. 1. Remove the system unit cover (see “removing the system unit cover”). 2. Open the system chassis (see “opening the system chassis”). 3. Follow any preinstallation instruction...

  • Page 93

    3-10 option installation figure 3-8 removing the slot cover and retaining bracket 6. Holding the board by its edges or its bracket, insert the board into the pci expansion slot connector on the riser card (see figure 3-9, c). Press the board firmly into the expansion slot connector. Gently rock the ...

  • Page 94

    Option installation 3-11 figure 3-9 installing an expansion board 8. Attach any signal cables required by the expansion board. 9. Close the chassis (see “closing the system chassis”). 10. Replace the system unit cover (see “replacing the system unit cover”). Removing an expansion board to remove an ...

  • Page 95

    3-12 option installation 6. Close the chassis (see “closing the system chassis”). 7. Replace the system unit cover (see “replacing the system unit cover”). Dimm upgrade dual in-line memory module (dimm) upgrades are installed into dimm sockets on the system board. The system board provides two socke...

  • Page 96

    Option installation 3-13 figure 3-10 removing a dimm installing a dimm install a memory module as follows. 1. Remove the system unit cover (see “removing the system unit cover”). 2. Open the system chassis (see “opening the system chassis”). 3. If you need to remove a currently installed memory modu...

  • Page 97

    3-14 option installation note: if you find a discrepancy in the amount of memory displayed at the power-on self-test or in windows with the amount of memory that you installed, check that you installed the memory modules correctly. Processor upgrade the zero-insertion force (zif) socket makes a proc...

  • Page 98

    Option installation 3-15 caution: before picking up the processor, reduce static discharge by touching the metal frame of the system unit. 6. Lift the processor out of the socket (see figure 3-11, a). Figure 3-11 releasing the processor 7. Continue with the following procedure to install the new pro...

  • Page 99

    3-16 option installation 3. Swing the lever down to lock the processor in the socket. Caution: be sure to either reattach the heatsink used with the old processor or install the heatsink supplied with the new processor. 4. Lower the heatsink onto the processor. 5. Install the heatsink bail. 6. Check...

  • Page 100

    Option installation 3-17 figure 3-12 removing the hard disk screws and cables 5. Remove the hard disk from the chassis. 6. Install the hard disk upgrade in the chassis using the four screws. 7. Connect the power and signal cables to the hard disk upgrade. Note: make sure the other end of the hard di...

  • Page 101

    3-18 option installation figure 3-13 hard disk cable connections 8. Close the chassis (see “closing the system chassis”) 9. Replace the system unit cover (see “replacing the system unit cover”)..

  • Page 102: Section 4

    Section 4 maintenance and troubleshooting this section provides information on maintaining and troubleshooting the powermate enterprise netpc computer. Also included in this section are the neccsd service telephone numbers and procedures for replacing the cmos battery. Neccsd service telephone numbe...

  • Page 103

    4-2 maintenance and troubleshooting online services the following sections provide information on how to access the various online services available. Neccsd faxflash service faxflash sm is a self-help, automated electronic information service for obtaining up-to-date product application notes, inst...

  • Page 104

    Maintenance and troubleshooting 4-3 3. Listen to the instructions provided by the voice prompts. Press 1 if you do not want an introduction to faxflash. Follow the automated instructions for ordering your document or catalog. Press 2 if you want an introduction to faxflash. Follow the automated inst...

  • Page 105

    4-4 maintenance and troubleshooting 5. Following the hyper terminal instructions, enter the bbs phone number 1 (978) 635-4706 . Your business phone system and/or location might require a 9 or 1 prefix. Note: the first time that you use the bbs, you are requested to provide information for a new user...

  • Page 106

    Maintenance and troubleshooting 4-5 when using the e-mail or fax support service, you have access to support telephone numbers, frequently asked questions, and drivers and upgrades for downloading. You should provide as much specific information about your questions as possible. Also, if you are sen...

  • Page 107

    4-6 maintenance and troubleshooting maintenance this subsection contains general information for cleaning and checking the system, keyboard, and monitor. The system, keyboard, and monitor require cleaning and checking at least once a year, and more often if operating in a dusty environment. No other...

  • Page 108

    Maintenance and troubleshooting 4-7 keyboard cleaning as necessary, inspect and clean the inside of the keyboard as follows. 1. Remove the twelve screws holding the keyboard enclosure together (see figure 4-1). Note: the keyboard and cable together are considered a whole-unit, field-replaceable asse...

  • Page 109

    4-8 maintenance and troubleshooting mouse cleaning the mouse has a self-cleaning mechanism that prevents a buildup of dust or lint around the mouse ball and tracking mechanism under normal conditions. Periodically, however, the mouse ball must be cleaned. Use the following procedure to clean the mou...

  • Page 110

    Maintenance and troubleshooting 4-9 troubleshooting this subsection provides information that helps isolate and repair system malfunctions at the field level. Step-by-step instructions for diagnosing and solving system hardware problems are provided. If disassembly is required, see section 5. Connec...

  • Page 111

    4-10 maintenance and troubleshooting table 4-2 problems and solutions problem symptom solution power supply malfunction any of the following conditions could occur: front panel lamps out, hard drive does not spin, monitor blank, interface ports not working, and keyboard lamp out and/or cannot input ...

  • Page 112

    Maintenance and troubleshooting 4-11 table 4-2 problems and solutions problem symptom solution diskette drive does not work lamp on diskette drive panel does not light when diskette is loaded. 1. Check power connection between diskette drive and its power source. 2. Check signal cable connection bet...

  • Page 113

    4-12 maintenance and troubleshooting table 4-2 problems and solutions problem symptom solution keyboard or mouse malfunction monitor has prompt, but cannot input data. 1. Check that keyboard/mouse is plugged in. 2. Check password (see section 2). 3. Disable password (see section 2). 4. Replace keybo...

  • Page 114

    Maintenance and troubleshooting 4-13 table 4-2 problems and solutions problem symptom solution network error bad data or no data when communicating. 1.Check connection of network cable to rj-45 lan connector on riser card. 2. Check that the lan port is enabled. 3. Check condition of network cable. 4...

  • Page 115

    4-14 maintenance and troubleshooting 3. Locate the battery and its socket on the system board (see figure 4-3). Figure 4-3 locating the battery 4. Use your fingers to carefully remove the battery from the battery socket on the system board (see figure 4-4). Figure 4-4 removing the battery.

  • Page 116

    Maintenance and troubleshooting 4-15 warning: the battery can explode if it is incorrectly replaced or improperly discarded. Use only the same battery or an equivalent type recommended by the manufacturer when replacing the battery. Lithium acts as a catalyst when exposed to water and causes spontan...

  • Page 117: Section 5

    Section 5 disassembly and reassembly this section describes how to safely remove and replace components in the powermate netpc system. This section also contains a list of depot-replaceable parts. Warning: access to the inside of the system is restricted. This section is intended for qualified servi...

  • Page 118

    5-2 disassembly and reassembly in addition, observe the following safety guidelines and procedures: to avoid the risk of electric shock and processor overheating, never operate the computer with the chassis open. Beware of sharp pins and edges on some board and chassis parts. Caution: this system co...

  • Page 119

    Disassembly and reassembly 5-3 recommended tools the following tools are recommended for the procedures in this section: small straight-blade screwdriver (to remove the processor heatsink) medium straight-blade screwdriver (to remove the emi shield) medium phillips screwdriver (to remove the chassis...

  • Page 120

    5-4 disassembly and reassembly table 5-1 parts removal and replacement part to be removed page number system board 5-16 pci card 5-19 side covers 5-21 bottom cover 5-22 power supply/fan/top chassis 5-24 processor 5-27 riser card 5-29 system unit top cover this subsection describes how to remove and ...

  • Page 121

    Disassembly and reassembly 5-5 figure 5-1 removing the system unit top cover replacement to replace the system unit top cover, proceed as follows: 1. Complete steps 1 through 5 in the previous subsection. 2. Place the cover on top of the chassis with the front edge slightly forward (see figure 5-2, ...

  • Page 122

    5-6 disassembly and reassembly figure 5-2 replacing the system unit top cover front bezel this subsection describes how to remove and replace the front bezel. Removal to remove the front bezel, proceed as follows: 1. Turn off the system unit and all connected peripheral devices. 2. Unplug the system...

  • Page 123

    Disassembly and reassembly 5-7 figure 5-3 removing the front bezel replacement to replace the front bezel, proceed as follows: 1. Complete steps 1 through 6 in the previous subsection. 2. Insert the bottom edge of the front bezel into the bottom cover. 3. Tilt the front bezel up until the two lockin...

  • Page 124

    5-8 disassembly and reassembly 4. Separate the two halves of the chassis (see “opening the system chassis” in section 3). 5. Remove the battery with a small straight-blade screwdriver (see figure 5-4). Figure 5-4 removing the battery 6. Replace the battery with a panasonic cr2032 or equivalent type....

  • Page 125

    Disassembly and reassembly 5-9 4. Separate the two halves of the chassis (see “opening the system chassis” in section 3). 5. Remove the system board and riser card (see “system board and riser card”). 6. Using a medium straight-blade screwdriver, pry under the emi shield and free the shield (see fig...

  • Page 126

    5-10 disassembly and reassembly 6. Replace the front bezel (see “front bezel”). 7. Replace the system unit top cover (see “system unit top cover”). 8. Connect the power cord and monitor and peripheral cables. Emi clip (riser card) this subsection describes how to remove and replace the emi clip. Rem...

  • Page 127

    Disassembly and reassembly 5-11 figure 5-6 installing the emi clip on the riser card 4. Reinstall the system board and riser card (see “system board” and “riser card”). 5. Reattach the top and bottom halves of the chassis (see “closing the system chassis” in section 3). 6. Replace the front bezel (s...

  • Page 128

    5-12 disassembly and reassembly figure 5-7 removing the fan replacement to replace the fan, proceed as follows: 1. Complete steps 1 through 9 in the previous subsection. 2. Place the fan in the chassis. 3. Connect the fan power connector on the riser card (see figure 5-7, a). 4. Install the plastic ...

  • Page 129

    Disassembly and reassembly 5-13 hard disk drive this subsection describes how to remove and replace the hard disk drive. Removal to remove the hard disk drive, proceed as follows: 1. Turn off the system and disconnect the power cord and all peripheral cables connected to the system. 2. Remove the sy...

  • Page 130

    5-14 disassembly and reassembly replacement to replace the hard disk drive, proceed as follows: 1. Complete steps 1 through 7 in the previous subsection. 2. Install the hard disk in the drive chassis with the four screws. 3. Attach the power connector from the power supply to the hard disk power con...

  • Page 131

    Disassembly and reassembly 5-15 memory this subsection describes how to remove and replace dimm memory modules. Removal to remove a dimm module, proceed as follows: 1. Turn off the system and disconnect the power cord and all peripheral cables connected to the system. 2. Remove the system unit top c...

  • Page 132

    5-16 disassembly and reassembly warning: the microprocessor and heat sink can be hot if the system has been running. Let the heatsink cool before touching it. Replacement to replace a dimm module, proceed as follows: 1. Complete steps 1 through 4 in the previous subsection. 2. Disengage the latches ...

  • Page 133

    Disassembly and reassembly 5-17 figure 5-11 removing the system board screws and riser card cables 7. Remove the three rivets attaching the riser card to the side of the chassis (see figure 5-12, a). Figure 5-12 removing the plastic rivets on the riser card 8. Pull the system board away from the emi...

  • Page 134

    5-18 disassembly and reassembly 10. Lift the system board and riser card out of the chassis (see figure 5-13). Figure 5-13 removing the system board and riser card 10. Separate the riser card from the system board (see figure 5-14). Figure 5-14 separating the system board and riser card a. B..

  • Page 135

    Disassembly and reassembly 5-19 replacement to replace the system board, proceed as follows: 1. Complete steps 1 through 11 in the previous subsection. 2. Connect the system board and riser card. 3. Place the system board and riser card assembly in the chassis. 4. Attach the system board to the chas...

  • Page 136

    5-20 disassembly and reassembly figure 5-15 removing the retaining bracket and filler panel 7. Install pci card (see figure 5-16, c). 8. Reinstall retaining bracket with the screw(see figure 5-16, d). 9. Reattach the top and bottom halves of the chassis (see “closing the system chassis” in section 3...

  • Page 137

    Disassembly and reassembly 5-21 figure 5-16 installing the pci card and bracket side covers this subsection describes how to remove and replace the left and right side covers. Removal to remove the left and right side covers, proceed as follows: 1. Turn off the system and disconnect the power cord a...

  • Page 138

    5-22 disassembly and reassembly figure 5-17 removing the side covers replacement to replace the left and right side covers, proceed as follows: 1. Complete steps 1 and 4 in the previous subsection. 2. Insert the bottom edge of the side cover(s) into the bottom cover. 3. Bow in the side cover(s) unti...

  • Page 139

    Disassembly and reassembly 5-23 4. Bow bottom cover out (toward the front, near the center) as shown in figure 5-18. 5. Slide the bottom cover out to disengage it from the chassis. Figure 5-18 removing the bottom cover replacement to replace the bottom cover, proceed as follows: 1. Complete steps 1 ...

  • Page 140

    5-24 disassembly and reassembly figure 5-19 installing the bottom cover 6. Replace the front bezel (see “front bezel”). 7. Replace the system unit top cover (see “system unit top cover”). 8. Connect the power cord and monitor and peripheral cables. Power supply/fan/top chassis this subsection descri...

  • Page 141

    Disassembly and reassembly 5-25 figure 5-20 removing the top chassis screws 5. Lift the power supply/fan/top chassis assembly up and separate the two halves of the chassis (see figure 5-21). Figure 5-21 opening the chassis 6. Disconnect the ide, fan power, and main power connectors on the riser card...

  • Page 142

    5-26 disassembly and reassembly figure 5-22 disconnecting the cables on the riser card 7. Remove the hard drive (see “hard disk drive”). Replacement to replace the power supply/fan/top chassis assembly, proceed as follows: caution: to avoid permanent damage to the system, use only the power supply i...

  • Page 143

    Disassembly and reassembly 5-27 processor this subsection describes how to remove and replace the processor. Warning: the microprocessor and heat sink can be hot if the system has been running. Let the heatsink cool before touching it. Removal to remove the processor, proceed as follows: 1. Turn off...

  • Page 144

    5-28 disassembly and reassembly figure 5-23 removing the processor replacement to replace the procesor, proceed as follows: 1. Complete step 1 through 8 in the previous subsection. 2. Pull the lever arm on the socket outward until it is free, then lift the lever arm up. 3. Locate pin 1 on the proces...

  • Page 145

    Disassembly and reassembly 5-29 10. Replace the system unit top cover (see “system unit top cover”). 11. Connect the power cord and monitor and peripheral cables. Riser card this subsection describes how to remove and replace the riser card. Removal to remove the riser card, proceed as follows: 1. T...

  • Page 146

    5-30 disassembly and reassembly replacement to replace the riser card, proceed as follows: 1. Complete steps 1 through 7 in the previous subsection 2. Install the emi clip onto the riser card (see figure ). Figure 5-25 installing the emi clip on the riser card 3. Insert the edge connector on the sys...

  • Page 147

    Disassembly and reassembly 5-31 depot level parts list the powermate netpc system is designed to be repaired by qualified, neccsd-trained technicians at the depot level of service. Table 5-2 provides telephone numbers for ordering the parts and options described in this section. Table 5-3 lists the ...

  • Page 148

    5-32 disassembly and reassembly table 5-3 powermate netpc depot-level parts list* item description part number 1 power cord 808-857649-101a 2 mouse 230-00015 3 stand (plastic) 158-056677-000 4 riser card with lan 158-056667-000 5 keyboard 158-052238-000 6 system board, with audio and video, without ...

  • Page 149

    Disassembly and reassembly 5-33 figure 5-26 powermate netpc illustrated parts breakdown* * this data was prepared november 1997. For an up-to-date listing of spare parts, call faxflash at 1-888-329-0088 (or 1-978-635-6090 outside the u.S.) and order document 42181873..

  • Page 150

    5-34 disassembly and reassembly table 5-4 powermate netpc documentation and packaging* description part number powermate enterprise netpc user's guide 819-181811-000 powermate enterprise netpc service and reference manual 819-181873-000 nec select install cd (windows 95) 819-050429-000 nec select in...

  • Page 151: Appendix A

    Appendix a connector pin assignments this appendix describes the system board, riser card, and option board connector pin assignments. System board connector locations figure a-1 and figure a-2 show the locations of the external and internal connectors on the system board. Table a-1 lists these conn...

  • Page 152

    A-2 connector pin assignments figure a-2 system board internal connector locations table a-1 system board connectors description page number parallel interface connector a-3 serial interface connectors (com1/com2) a-4 keyboard and mouse connectors a-5 vga interface connector a-6 microphone in connec...

  • Page 153

    Connector pin assignments a-3 parallel interface connector the following figure shows the parallel interface connector on the system board. Table a-2 lists the pin assignments. Figure a-3 parallel interface connector table a-2 parallel interface pin assignments pin signal name pin signal name 1 stro...

  • Page 154

    A-4 connector pin assignments serial interface connectors the following figure shows the serial interface connector(s) on the system board. Table a-3 lists the pin assignments. Figure a-4 serial interface connectors table a-3 serial interface pin assignments pin signal name 1 dcd 2 serial in- 3 seri...

  • Page 155

    Connector pin assignments a-5 keyboard and mouse connectors the following figure shows the keyboard and mouse connectors on the system board. The keyboard and mouse are ps/2-style connectors and can be plugged into either connector. The system unit detects their presence at power on. Table a-4 lists...

  • Page 156

    A-6 connector pin assignments vga interface connector video signals are output from the system board through a vga interface connector, which is a 15-pin, d-subconnector (vesa vs890803-2) located at the rear of the system unit. Figure a-6 and table a-5 show the connector pin locations and pin assign...

  • Page 157

    Connector pin assignments a-7 line in connector the pin assignments for the microphone in connector (j8k1) are provided in table a-6. Table a-6 line in connector pin assignments pin signal sleeve ground tip audio left in ring audio right in line out connector the pin assignments for the line out con...

  • Page 158

    A-8 connector pin assignments dimm connectors figure a-2 shows the location of the dimm connectors on the system board. Table a-9 displays the pin assignments for system board ide connectors. The signals in parentheses are for the secondary connector. Table a-9 dimm socket pin assignments pin signal...

  • Page 159

    Connector pin assignments a-9 table a-9 dimm socket pin assignments pin signal pin signal pin signal 28 dqm0 84 vdd 140 dq49 29 dqm1 85 vss 141 dq50 30 s0 86 dq32 142 dq51 31 nc 87 dq33 143 vdd 32 vss 88 dq34 144 dq52 33 a0 89 dq35 145 nc 34 a2 90 vdd 146 nc (vref) 35 a4 91 dq36 147 nc 36 a6 92 dq37...

  • Page 160

    A-10 connector pin assignments riser card connector locations figure a-7 shows the locations of connectors on the riser card. Note: not all of the riser card connectors and functions are used in all configurations. Figure a-7 riser card component and connector locations the following table describes...

  • Page 161

    Connector pin assignments a-11 wake on lan connector to enable an add-in pci network board to utilize the system’s “wake on lan” function, the riser card contains one 3-pin header for connecting the network board to the riser card. Table a-11 list the pin assignments for the wake on lan connector (j...

  • Page 162

    A-12 connector pin assignments modem remote wake up connector table a-14 lists the pin assignments for the riser card’s modem remote wake-up connector (j4l1). Table a-14 modem remote wake-up pin assignments pin description 1 ground 2 modem wake-up storage device connectors the following subsections ...

  • Page 163

    Connector pin assignments a-13 ide connector table a-16 lists the pin assignments for riser card ide connector (j4j1). Table a-16 ide interface pin assignments pin signal name pin signal name 1 reset ide 2 ground 3 host data 7 4 host data 8 5 host data 6 6 host data 9 7 host data 5 8 host data 10 9 ...

  • Page 164

    A-14 connector pin assignments pci connector table a-17 lists pin assignments for the pci connector on the riser card. Table a-17 pci bus pin assignments pin signal pin signal pin signal pin signal a1 gnd b1 -12 v a32 ad16 b32 ad17 a2 +12 v b2 no connect a33 3.3 v b33 cbe2- a3 no connect b3 gnd a34 ...

  • Page 165

    Connector pin assignments a-15 power supply connectors table a-18 provides the pin assignments for the riser card power supply connector (j3j1). The power supply connector differs from the standard nlx and atx power supply connectors. Pin 18 of the powermate netpc power supply is used for thermal fa...

  • Page 166

    A-16 connector pin assignments rj-45 connector the pin assignments for the riser card rj-45 lan connector are provided in table a-19. Table a-19 rj-45 connector pin assignments pin signal name 1 td + 2 td - 3 rd + 4 5 6 rd - 7 8.

  • Page 167: Appendix B

    Appendix b jumper settings this appendix contains jumper settings for the powermate netpc system board and riser card. Setting system board jumpers system board jumpers enable you to configure the system for a particular system requirement. Conditions that require changing jumper settings include th...

  • Page 168

    B-2 jumper settings caution: jumpers are set correctly at the factory for the configuration. If the system requires a jumper change, change only the setting for that condition. Otherwise, keep the jumpers at their factory settings. Changing processor jumper settings the following procedure explains ...

  • Page 169

    Jumper settings b-3 figure b-1 locating system configuration jumpers 5. Set the processor/bus speed jumpers for the processor (see the following table). Change the jumper setting by lifting the plastic block and placing it on the appropriate pins as shown in the following table. Neccsd recommends us...

  • Page 170

    B-4 jumper settings clearing a password if the password has been forgotten, use the following procedure to clear the current password and to set a new one. 1. Power off the system and monitor and unplug any peripherals. Warning: the system power must be off before removing the cover and changing a j...

  • Page 171

    Jumper settings b-5 7. Replace the system unit cover (see “replacing the system unit cover” in section 3). 8. Connect the system power cables and monitor. 9. Power on the system unit and monitor. The setup utility screen appears automatically after post. No password is required. In configure mode, t...

  • Page 172

    B-6 jumper settings configure mode configure mode is for configuring special bios settings, including processor speed and special maintenance options. Use this mode to upgrade or recover the bios or clear a password. To enable this mode, connect pins 2 and 3 on the configuration jumper (j6j1) shown ...

  • Page 173

    Jumper settings b-7 you can obtain the bios recovery program by downloading it to a diskette from the neccsd bulletin board system (bbs) or the neccsd file transfer protocol (ftp) site. See “neccsd bulletin board system” in section 4 for information on how to download files onto a diskette. See “int...

  • Page 174

    B-8 jumper settings riser card fan speed control jumper the 3-pin fan speed jumper is used to define the voltage levels applied to the fan speed for the cooling the system. The slow fan speed voltage range is between 7v and 10v. The fast fan speed voltage range is between 7v and 12v. Table b-2 lists...

  • Page 175: Index

    Index a addressing, 1-10 advanced setup menu, 2-16 asic, 1-12 audio features, 1-20 b battery, 4-10, 4-13, 5-7 baud rate, 1-18 bios, 1-8 board riser, 1-15, 1-22, 1-30, a-10, b-7 system, 1-5, 1-23, a-1, b-1 boot setup menu, 2-23 c changing processor jumper settings, b-2 chassis nlx, 1-15 specification...

  • Page 176

    Index-2 expansion board installation, 3-8 removing, 3-11 f faxflash, 4-1 flash utility, 2-24 g graphics controller, 1-19 h hard disk drive, 1-21 ide connector, a-13 led connector, 2-8 connector, a-13 specifications, 1-25 upgrade, 3-16 hardware monitor, 1-12 heceta lm78, 1-12 i i/o addressing, 1-10 i...

  • Page 177

    Index-3 o opening the computer, 3-4 closing the system chassis, 3-7 cover removal, 3-4 cover replacement, 3-8 opening the system chassis, 3-5 option installation cover removal, 3-4 expansion boards, 3-8 hard disk upgrade, 3-16 opening the computer, 3-4 precautions, 3-2 orientation, 2-5 p padlock slo...

  • Page 178

    Index-4 serial connectors, a-4 interface, 1-17 settinga password, 2-20 system date/time, 2-13 setup, 2-1 menus, 2-13 advanced, 2-16 boot, 2-23 exit, 2-24 power, 2-22 security, 2-20 utility, 2-10 main menu, 2-13 navigation keys, 2-12 starting, 2-11 uses, 2-11 shutting down system, 2-9 site selection,...

  • Page 179

    (for united states use only) federal communications commission radio frequency interference statement warning: changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Note: this equipment has been ...

  • Page 180

    If the telephone company requires information on what equipment is connected to their lines, inform them of: the telephone number to which this unit is connected. The ringer equivalence number (see the modem label). The usoc jack required. The fcc registration number (see the modem label). The ringe...

  • Page 181

    (for canadian use only) this equipment is a class b digital apparatus which complies with the radio interference regulations, c.R.C., c.1374. Cet appareil numérique de la classe b est conforme àu règlement sur le brouillage radioélectrique, c.R.C., ch.1374. Canadian department of communications mode...

  • Page 182

    Battery replacement a lithium battery in your computer maintains system configuration information. In the event that the battery fails to maintain system configuration information, neccsd recommends that you replace the battery (see section 4, “maintenance and troubleshooting,” for battery removal p...