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  4. DIRECTION SP B - SERVICE 1998
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NEC DIRECTION SP B - SERVICE 1998 Service Manual - Preface

Summary of DIRECTION SP B - SERVICE 1998

  • Page 1

    First printing — april 1998 copyright 1998 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 materials,...

  • Page 2: Contents

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

  • Page 3

    Iv contents getting help ......................................................................................................... 2-4 main menu .................................................................................................................. 2-4 advanced menu..........................

  • Page 4

    Contents v device cabling...................................................................................................... 3-16 cabling an ide device................................................................................... 3-16 cabling an accessible 5 1/4-inch device ....................

  • Page 5

    Vi contents system board removal ......................................................................................... 5-10 illustrated parts breakdown ......................................................................................... 5-12 appendix a system specifications appendix b conne...

  • Page 6

    Contents vii figure 3-10 diskette drive signal cable....................................................................... 3-14 figure 3-11 ide signal cable ...................................................................................... 3-15 figure 3-12 power cable connectors...................

  • Page 7

    Viii contents figure c-1 locating the jumper ................................................................................... C-2 tables table 1-1 system features ........................................................................................... 1-1 table 1-2 system memory map .............

  • Page 8

    Contents ix table b-14 pci expansion pin assignments................................................................. B-14 table b-15 usb connectors........................................................................................ B-15 table c-1 system board jumper settings.......................

  • Page 9: Preface

    Xi preface this service and reference manual contains technical information necessary for servicing and repairing direction sp b-series systems. The manual includes system setup information, procedures for installing options, and troubleshooting. The manual is written for nec csd-trained customer en...

  • Page 10: Abbreviations

    Xiii abbreviations a ampere ac alternating current at advanced technology (ibm pc) 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 per inch bps bits per second c capacitance c centigrade...

  • Page 11

    Xiv abbreviations ipc integrated peripheral controller ips inches per second irq interrupt request 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...

  • Page 12

    Abbreviations xv vfc vesa-compliant feature connector vga video graphics array vram video ram w watt w write.

  • Page 13: Section 1

    Section 1 technical information this section provides an overview of the nec direction ™ sp b-series computers. These systems include the intel ® pentium ® ii processor with mmx ™ technology. Table 1-1 describes the available features of the different models. The subsections that follow provide more...

  • Page 14

    1-2 technical information system cache/memory to utilize the processor’s power, the system features an optimized 64-bit memory interface and provides support for a second level cache to compliment the processor’s internal cache. High-performance features include: pipeline 32-bit addressing 64-bit da...

  • Page 15

    Technical information 1-3 pci local bus the 32-bit industry-standard pci bus is a highly-integrated input/output (i/o) interface that offers the highest performance local bus available for the pentium ii processor. The pci bus supports burst modes that send large chunks of data across the bus, allow...

  • Page 16

    1-4 technical information plug and play support the system comes with plug and play bios technology. Plug and play eliminates complicated setup procedures for installing plug and play expansion boards. To add a plug and play expansion board, simply power off the system, install the board, and power ...

  • Page 17

    Technical information 1-5 table 1-3 interrupt level assignments irq system resource nmi i/o channel check 00 reserved, internal timer 01 reserved, keyboard controller 02 reserved, cascade interrupt from slave pic 03 com2* 04 com1* 05 sound/user available 06 diskette drive 07 lpt1* 08 real-time clock...

  • Page 18

    1-6 technical information ide ports the system board provides two fast ide ports: primary channel and secondary channels. Each port supports two devices for a total of four ide devices. The system board allows the connection of an ide cd-rom drive for system configuration flexibility without the add...

  • Page 19

    Technical information 1-7 the cs4611 enables burst mode transfers of audio data between the system bus and the device’s internal dma engine and stream processor. The chip provides optimized digital audio processing. The optional awe64d pci sound board replaces the integrated crystal audio system. It...

  • Page 20

    1-8 technical information power management the advanced power management (apm) program, located on the 82371eb pci isa ide xcelerator (piix4e) chip, reduces system power consumption when there is no activity detected from the keyboard, mouse, diskette drive, cd-rom/dvd drive, or hard disk drive afte...

  • Page 21: Section 2

    Section 2 setup utility this section describes the setup utility program that allows the system configuration information to be viewed and changed. Note: the system ships from the factory with the correct system parameters for the configuration. Unless setting the time and date, setting security fea...

  • Page 22

    2-2 setup utility to customize the system with security features such as passwords. To set system parameters after replacing the cmos battery. How to start setup to start the setup utility, follow these steps: 1. Turn on or reboot the system. 2. Press f2 after post begins, but before the system boot...

  • Page 23

    Setup utility 2-3 the menu bar the line under the setup title line. The menu bar contains six top-level menus to set system parameters. A main menu summary window the area on the left side of the screen. This area provides a summary of main menu setup parameters. Some main menu parameters can be set...

  • Page 24

    2-4 setup utility legend bar use the keys listed in the legend bar on the bottom of the setup menu to make the selections or exit the current menu. Table 2-1 describes the legend keys and their alternates. Table 2-1 setup key functions key function f1 provides help for the parameter field being disp...

  • Page 25

    Setup utility 2-5 bios version this field displays your system’s bios version number. Processor type this field displays your computer’s processor type. Processor speed this field displays your processor’s speed. Cache ram this field displays the size of your system’s l2 (external) cache. System mem...

  • Page 26

    2-6 setup utility to return to the main menu, press esc . To move to the advanced menu, press the right arrow key. Advanced menu this section describes the advanced menu parameters. Other menu parameters are available by selecting submenus. Use the arrow keys to move the cursor to a parameter and pr...

  • Page 27

    Setup utility 2-7 note: if you select the enabled option, you can see additional options that allow you to specify the base i/o address and irqs for the port you are configuring. Parallel port this option configures the system’s parallel port. Choose “auto” (default), “enabled,” or “disabled.” the “...

  • Page 28

    2-8 setup utility ide configuration submenu this submenu can be used to auto-configure or manually configure the ide devices, usually hard drives or cd-rom drives. Depending on the system you purchased, the available options may include “user,” “auto” (default), “cd-rom,” “atapi removable,” or “none...

  • Page 29

    Setup utility 2-9 multi sector transfers this option determines the number of sectors per block for multiple sector transfers. Like the cylinders/heads/sectors options discussed above, you cannot access this option if the configuration type is set to “auto.” if necessary, check the specification for...

  • Page 30

    2-10 setup utility ultra dma this option sets the ultra dma mode for the hard drive. This option cannot be changed when “auto” is selected. The options include: mode 0 mode 1 mode 2 disabled (default). To return to the advanced menu, press esc . Floppy options submenu this submenu can be used to con...

  • Page 31

    Setup utility 2-11 dmi event logging submenu this submenu can be used to view and modify dmi event logs. To enter the submenu, highlight the dmi event logging field, then press enter . The following options appear: event log capacity/event log validity these fields indicate whether space is availabl...

  • Page 32

    2-12 setup utility resource configuration submenu this option allows you to reserve specific resources for use by legacy isa devices. To enter the submenu, highlight this field, then press enter . The following options are displayed: memory reservation submenu this option lets you configure memory b...

  • Page 33

    Setup utility 2-13 press the right arrow (cursor) key to move to the power menu. Power menu the power menu is used to enable or disable the system’s power management features. When the power management option is enabled, the following options appear in the power menu: power management this feature l...

  • Page 34

    2-14 setup utility scan user flash area this option configures the bios to scan the flash memory for user binary files that are executed at boot time. The choices are “enabled” and “disabled” (default). After power failure this option specifies whether or not to restore power to the system if it is ...

  • Page 35

    Setup utility 2-15 removable devices submenu this submenu lists any available removable devices (if included). One common option is legacy floppy drives. The operating system assigns drive letters to these devices in the order listed. You can change the sequence (and drive lettering) by highlighting...

  • Page 36

    2-16 setup utility note: if your system’s cmos fails, the bios will load custom default settings (if you’ve saved them) or factory default settings. Finally, press enter again to confirm and exit the setup program..

  • Page 37: Section 3

    Section 3 option installation this section provides instructions for installing the following options: expansion boards memory upgrade video upgrade — see the documentation for your video board data storage devices external options. All options (except external options) require removal of the access...

  • Page 38

    3-2 option installation precautions take care 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 access cover, turn off the power and unplug the system power cable. Power is ...

  • Page 39

    Option installation 3-3 removing the access cover the following subsections describe how to remove the access cover from the desktop or minitower system. ! Warning: before removing the access cover, turn off the power and unplug the system power cable. Power is removed only when the power cable is u...

  • Page 40

    3-4 option installation figure 3-1 releasing the cover 5. Lift the access cover off the system. Replacing the access cover to replace the access cover, use the following procedure. 1. Gently set the access cover inside the edge of the case, taking care not to bend the metal tabs. 2. Align the tabs o...

  • Page 41

    Option installation 3-5 note: the cover fits tightly. If it does not slide all the way to the front panel, place one hand on the front of the unit while you slide the cover forward from the rear. 5. Reconnect all external peripherals. 6. Plug in power cables. Expansion boards your computer’s system ...

  • Page 42

    3-6 option installation figure 3-3 locating expansion slots expansion board installation install expansion boards in the system as follows. 1. Remove the access cover. 2. Follow any preinstallation instructions that come with the expansion board (such as setting switches or jumpers on the board). 3....

  • Page 43

    Option installation 3-7 save the screw for installing the expansion board. Be sure to save the slot cover for future use. ! Caution: a slot cover can damage the system board or any option board if it falls into the system. Take care to keep the slot cover from falling when removing the screw. If the...

  • Page 44

    3-8 option installation 3. Remove the screw that secures the board to the support bracket. 4. Pull the board out of the connector. Gently rock the board from side-to-side to release it from its connector. 5. Replace the access cover. Memory upgrade your system comes factory-installed with 32 mb to 3...

  • Page 45

    Option installation 3-9 table 3-1 sample memory configurations bank 0 bank 1 bank 2 total ram 1 m x 64 (8 mb) empty (0 mb) empty (0 mb) 8 mb (min. Memory) empty (0 mb) 4 m x 64 (32 mb) 8 m x 64 (64mb) 96 mb 16 m x 64 (128 mb) empty (0 mb) 2 m x 64 (16 mb) 144 mb 2 m x 72 (16 mb) 2 m x 72 (16 mb) 4 m...

  • Page 46

    3-10 option installation 4. Carefully rock the dimm to pull it from the socket. Figure 3-6 removing a dimm 5. Store the dimm in an antistatic bag (available at electronic supply stores) or a cardboard box. Dimm installation use the following procedure to install a dimm. 1. Remove the access cover. 2...

  • Page 47

    Option installation 3-11 4. To install a dimm, align the module with an empty socket. Make sure that the notches on the dimm line up with the keys in the sockets. 5. Insert the dimm into the socket. Close the plastic clips at both ends of the socket. Figure 3-7 installing a dimm 6. Replace any cable...

  • Page 48

    3-12 option installation device slots your computer has seven storage device slots: a 3.5-inch accessible device slot (contains the standard 1.44-mb diskette drive) two internal 3.5-inch hard drive slots (one contains the hard drive) four accessible device slots two accessible 5.25-inch device slots...

  • Page 49

    Option installation 3-13 an ide device, such as an ide hard disk or ide cd-rom drive, must be set correctly as the first (master) or second (slave) device on the ide channel. The standard ide hard disk is set as the master device on the primary ide connector. The standard cd-rom drive is the master ...

  • Page 50

    3-14 option installation diskette drive signal cable a two-connector diskette drive signal cable comes attached to the system board and to the standard 1.44-mb diskette drive. If your system comes standard with an iomega ditto tape backup unit, the signal cable has three connectors. Depending on you...

  • Page 51

    Option installation 3-15 figure 3-11 ide signal cable system power cables power cables come from the power supply and are attached to the standard storage devices. System power cables vary in length and provide connector sizes to accommodate a variety of supported storage configurations. Power cable...

  • Page 52

    3-16 option installation device cabling all storage devices require a power and signal cable connection. Devices shipped with the system are already connected. Cable optional devices as follows. Cabling an ide device 1. Connect the ide signal cable connector to the connector on the ide device. Take ...

  • Page 53

    Option installation 3-17 figure 3-14 connecting an accessible 5 1/4-inch device storage device installation the following subsections describe how to install 3 1/2-inch and 5 1/4-inch devices. The installation procedures include: removing the front panel removing the cd-rom/dvd drive installing a 3 ...

  • Page 54

    3-18 option installation figure 3-15 releasing the front panel 3. Pull the panel away from the chassis. Removing the cd-rom/dvd drive if you need to remove the cd-rom/dvd drive, you need to remove the accessible device cage. Use the following procedure to remove the accessible device cage. 1. Locate...

  • Page 55

    Option installation 3-19 installing a 3 1/2-inch device use the following procedure to install a 3 1/2-inch device. 1. Follow the preinstallation instructions that came with the device, such as setting jumpers and switches. 2. Remove the access cover. 3. Remove and label any cables that interfere wi...

  • Page 56

    3-20 option installation figure 3-18 removing the bracket screws figure 3-19 aligning the holes and tabs slide the 3 1/2-inch hard disk bracket towards the back of the system unit until it is free of the molded plastic. Align the two screw holes on the hard disk with the two tabs on the bracket. Sli...

  • Page 57

    Option installation 3-21 figure 3-20 securing the disk if you are installing the device in the standard 3 1/2-inch internal device slot, simply insert the drive into the opening until it is secured (see figure 3-21). Secure the drive with two screws inserted into the front of the system. Figure 3-21...

  • Page 58

    3-22 option installation if you are installing a device in an accessible slot, go to step 6. 6. To install a 3 1/2-inch device in an accessible slot: remove the plastic blank panel from the selected slot by pressing the panel tab inward and swinging the blank panel out (see figure 3-22). Figure 3-22...

  • Page 59

    Option installation 3-23 note: if your 5 1/4-inch device comes with drive rails, do not attach them. Remove any rails attached. See the documentation that comes with the device. 2. Remove the access cover. 3. Remove the device cage (see “removing the cd-rom/dvd drive”). 4. Remove and label any cable...

  • Page 60

    3-24 option installation note: if you removed the accessible device cage, replace it. Secure the device cage with the screw. 12. If you installed a hard drive in the 5 1/4-inch slot, replace the plastic panel. 13. Replace the front panel. 14. Replace the access cover. Replacing the front panel to re...

  • Page 61

    Option installation 3-25 1. Turn off power to the system and printer. 2. Connect the printer cable to the printer port on the rear of the system unit (see figure 3-24). 3. Secure the cable with the screws provided. 4. Connect the other end to the printer. 5. Turn on the printer and the computer. Fig...

  • Page 62

    3-26 option installation 4. Connect the other end to the serial device. 5. Turn on the serial device and the computer. Figure 3-25 locating serial ports.

  • Page 63: Section 4

    Section 4 maintenance and troubleshooting this section provides information on maintaining and troubleshooting the direction sp b-series computers. Table 4-1 provides the nec csd service telephone numbers. Also included in this section are the error beep code descriptions and a procedure for replaci...

  • Page 64

    4-2 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 65

    Maintenance and troubleshooting 4-3 keyboard cleaning as necessary, inspect and clean the inside of the keyboard as follows. 1. Remove the eight screws holding the keyboard enclosure together. Note: the keyboard and cable together are considered a whole-unit, field-replaceable assembly. Therefore, d...

  • Page 66

    4-4 maintenance and troubleshooting 3. Turn the ball cover clockwise and remove the cover. Figure 4-1 removing the mouse ball cover 4. Turn the mouse over and remove the ball. 5. Clean the mouse as follows: clean the mouse ball with tap water and a mild detergent, then dry it with a lint-free cloth....

  • Page 67

    Maintenance and troubleshooting 4-5 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. Technical support is available at 1-888-632-2678....

  • Page 68

    4-6 maintenance and troubleshooting table 4-2 problems and solutions problem symptom solution operating system does not boot intermittent beeping at power- on. Computer beeps more than once and is unable to complete bootup. 1. Check system configuration (see section 2). 2. Check all jumper settings ...

  • Page 69

    Maintenance and troubleshooting 4-7 table 4-2 problems and solutions problem symptom solution hard drive malfunction hard drive lamp does not light but hard drive can be accessed. 1. Check cable connections between lamp and system board. Hard drive controller failure message displayed. 1. Check that...

  • Page 70

    4-8 maintenance and troubleshooting table 4-2 problems and solutions problem symptom solution monitor malfunction unable to synchronize display. 1. Adjust the monitor’s synchronization controls. 2. Check that the monitor’s resolution matches the video setting or the video driver used. 3. Check that ...

  • Page 71

    Maintenance and troubleshooting 4-9 table 4-2 problems and solutions problem symptom solution cd-rom/dvd drive malfunction system power not on. 1. Turn system power on. Disc tray does not open. 1. System power not on. Turn system power on. 2. System power failed. Insert about an inch of a straighten...

  • Page 72

    4-10 maintenance and troubleshooting table 4-2 problems and solutions problem symptom solution 4. Check the ide cable. Replace as necessary. 5. Check the power supply. Replace as necessary. 6. Check the system board. Replace as necessary. Communication error no or bad data when communicating. 1. Che...

  • Page 73

    Maintenance and troubleshooting 4-11 beep codes during boot up, the computer performs a series of post (power on self test) routines. A beep code may appear when an error is detected. There are fatal and nonfatal errors. The fatal errors include bios, cmos, dma, ram, video, and keyboard controller e...

  • Page 74

    4-12 maintenance and troubleshooting cmos battery replacement remove the 3-volt lithium battery from the system board as follows. 1. Turn off and unplug the system unit and any external options connected to the system. ! Caution: removing the battery from the system board causes the computer to lose...

  • Page 75

    Maintenance and troubleshooting 4-13 ! 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 spont...

  • Page 76: Section 5

    Section 5 disassembly and reassembly this section contains step-by-step disassembly procedures for the system unit. Reassembly is the reverse of disassembly. The procedures are supported by simplified disassembly illustrations to facilitate removal. A phillips-head screwdriver is the only required t...

  • Page 77

    5-2 disassembly and reassembly when disassembling the system unit, follow these general rules. Disconnect all peripherals. When handling boards or chips, touch the system unit frame to discharge static. Do not disassemble parts other than those specified in the procedure. Use a phillips-head screw d...

  • Page 78

    Disassembly and reassembly 5-3 figure 5-1 removing a board front panel removal remove the front panel from the system unit as follows. 1. Locate the two plastic tabs at the front of the chassis. They are indicated by two arrows engraved on the chassis. 2. Press down on the two tabs and press in a th...

  • Page 79

    5-4 disassembly and reassembly side panel removal remove the side panel from the system unit as follows. 1. Remove the system access cover and front panel as previously described. 2. Locate the two side panel securing tabs at the front of the system. 3. Pull the tabs out and away from the system. 4....

  • Page 80

    Disassembly and reassembly 5-5 3. Locate the two clips at the front of the system that secure the diskette drive. Figure 5-4 locating the two diskette drive clips 4. Squeeze the two clips and pull the diskette drive out of the front of the system. 5 1/4-inch device removal remove an optional 5 1/4-i...

  • Page 81

    5-6 disassembly and reassembly 3. Remove the screws holding the device in the cage (see figure 5-5). Figure 5-5 removing the 5 1/4-inch device screws 4. Slide the device out from the front of the system unit. Optional 3 1/2-inch hard disk drive removal remove the optional 3 1/2-inch hard disk drive ...

  • Page 82

    Disassembly and reassembly 5-7 4. Slide the 3 1/2-inch hard disk bracket towards the back of the system unit until it is free of the molded plastic. 5. Remove the screw on the side of the hard disk securing it to the bracket. Figure 5-7 removing the securing screw 6. Slowly pull the hard disk away f...

  • Page 83

    5-8 disassembly and reassembly figure 5-8 removing the drive fan assembly removal remove the fan assembly per the following steps. 1. Remove the system access cover per section 3. 2. At the rear of the system unit, press in on the two locking tabs securing the assembly to the chassis. 3. Remove the ...

  • Page 84

    Disassembly and reassembly 5-9 figure 5-9 removing a dimm when installing a dimm module, align the notches on the module with the keys in the memory socket, insert the module, and press in the plastic locking clips. Power supply removal remove the power supply as follows. 1. Remove the system access...

  • Page 85

    5-10 disassembly and reassembly figure 5-10 removing the power supply screws 5. Pull the power supply out of the system unit. System board removal remove the system board per the following steps. 1. Remove the system access cover, expansion boards, fan assembly, and power supply as previously descri...

  • Page 86

    Disassembly and reassembly 5-11 figure 5-11 removing the system board screw 4. Slide the system board towards the front of the unit until is is clear of the metal shielding and the alignment clips. 5. Lift the board out of the system at an angle. 6. If replacing the system board, remove any installe...

  • Page 87

    5-12 disassembly and reassembly illustrated parts breakdown this section contains the illustrated parts breakdown (ipb) and nec csd part numbers for the direction sp b-series desktop and minitower computers. Table 5-2 lists the field-replaceable parts for the desktop and figure 5-12 provides the ill...

  • Page 88

    Disassembly and reassembly 5-13 table 5-2 direction sp b-series desktop field-replaceable parts list* item description part number 14c altec lansing speakers, acs410 160313 14d altec lansing speakers, acs251 160315 15 fan assembly 158-056683-000 16 video board, v330 agp 060214 17a 56-kbps modem boar...

  • Page 89

    5-14 disassembly and reassembly table 5-2 direction sp b-series desktop field-replaceable parts list* item description part number cd, restore, windows 95 systems only (not shown in figure) 165406 cd, restore, windows nt systems only (not shown in figure) 165407 battery (not shown in figure) 158-060...

  • Page 90

    Disassembly and reassembly 5-15 figure 5-12 direction sp b-series desktop illustrated parts breakdown* ____________ * this data was prepared june 1998. For an up-to-date listing of spare parts, please call faxflash sm at 1-888-329-0088 (or 1-978-635-6090 outside the u.S.) and order document 42102083...

  • Page 91

    5-16 disassembly and reassembly table 5-3 direction sp b-series minitower field-replaceable parts list* item description part number 1 ac power cable 070135 2 microphone 232-00011 3 microsoft mouse 230-00026 4 keyboard, egro 229-00012 5 cable, audio internal, dual mpc 070808 6 diskette drive signal ...

  • Page 92

    Disassembly and reassembly 5-17 table 5-3 direction sp b-series minitower field-replaceable parts list* item description part number 21 left side cover (access cover) 158-056686-000 22 top cover 158-056685-000 23 right side cover 158-056687-000 24 front panel 158-056679-000 25 speaker 158-056684-000...

  • Page 93

    5-18 disassembly and reassembly table 5-3 direction sp b-series minitower field-replaceable parts list* item description part number ditto backup unit cartridge (not shown in figure) 149747 jazz drive cartridge (not shown in figure) 380-00102 scsi cable, 3 connector (not shown in figure) 070833 moni...

  • Page 94

    Disassembly and reassembly 5-19 figure 5-13 direction sp b-series minitower illustrated parts breakdown* ____________ * this data was prepared june 1998. For an up-to-date listing of spare parts, please call faxflash sm at 1-888-329-0088 (or 1-978-635-6090 outside the u.S.) and order document 421020...

  • Page 95

    5-20 disassembly and reassembly table 5-4 lists direction sp b-series memory options. Table 5-4 direction sp b-series memory options description part number 32-mb dimm (non-parity) 081918 64-mb dimm (non-parity) 081919 table 5-5 lists the direction sp b-series documentation. Table 5-5 direction sp b...

  • Page 96: Appendix A

    Appendix a system specifications this section describes the system specifications. Processor microprocessor 350-mhz or 400-mhz pentium ii mmx clock rate 350 mhz internally, 100 mhz externally 400 mhz internally, 100 mhz externally processor support 32-bit addressing 64-bit data primary cache 32 kb o...

  • Page 97

    A-2 system specifications 1-mbit by 64 or 1-mbit by 72 (8-mb dimm) 2-mbit by 64 or 2-mbit by 72 (16-mb dimm) 4-mbit by 64 or 4-mbit by 72 (32-mb dimm) 8-mbit by 64 or 8-mbit by 72 (64-mb dimm) 16-mbit by 64 or 16-mbit by 72 (128-mb dimm). Read-only memory (rom) flash rom 2 mbit window ram (wram) sta...

  • Page 98

    System specifications a-3 expansion slots i/o bus pci/isa six expansion slots one 8-/16-bit isa slot three 32-bit pci slots one shared isa/pci slot one agp slot keyboard and mouse keyboard windows 95 enhanced, ps/2-compatible function keys 12 keys, capable of up to 48 functions status lamps numeric ...

  • Page 99

    A-4 system specifications two 3.5-inch device slots; the lower 3.5-inch slot is not accessible on the desktop model graphics video memory 4 mb support for high color at 1024 by 768, 800 by 600, 640 by 480, and true color at 800 by 600 and 640 by 480 graphics support (with 4 mb video memory) 1280 by ...

  • Page 100

    System specifications a-5 minitower width 7.8 in. (19.81) depth 17.3 in. (43.94 cm) keyboard height 1.6 in. (4.1 cm) width 19.0 in. (48.3 cm) depth 8.4 in. (21.3 cm) weight the following weights are averages. Weights depend upon the system configuration. System unit 27.5 lb (12.46 kg) keyboard 3.5 t...

  • Page 101: Appendix B

    Appendix b connector pin assignments this appendix describes the system board connector pin assignments. Table b-1 lists the connectors and sockets on the system board. The table also cross- references the page numbers where the connectors and their pinouts are described. Table b-2 and table b-3 lis...

  • Page 102

    B-2 connector pin assignments figure b-1 system board connectors and slots figure b-2 system board external connectors.

  • Page 103

    Connector pin assignments b-3 table b-2 system board internal connectors description connector number cd-rom audio j2f1 auxiliary line-in audio j2f2 telephony j2f1 fan 3 j3f2 diskette drive j8k1 pci ide j8g1, j7g1 fan 1 j8m1 fan 2 j4m1 power supply j7l1 table b-3 system board connector numbers and t...

  • Page 104

    B-4 connector pin assignments serial interface connectors pin assignments for the serial interface port connector are listed in table-b-4. Table-b-4 rs-232c serial port connector pin assignments pin signal description 1 dcd carrier detect 2 serial in# receive data 3 serial out# transmit data 4 dtr# ...

  • Page 105

    Connector pin assignments b-5 parallel interface connector parallel interface specifications for this port conform to the ibm-pc interface. Pin assignments for the parallel interface connector are listed in table b-5. Table b-5 parallel port connector pin assignments pin signal pin signal 1 strobe# ...

  • Page 106

    B-6 connector pin assignments power supply (primary) voltages from the power supply are input to the system board through the primary power supply connector. Table b-6 shows the connector pin locations and pin assignments. Table b-6 primary power supply connector pin assignments pin signal pin signa...

  • Page 107

    Connector pin assignments b-7 front panel the front panel connector provides cabling for the buttons and panel leds (power and hard disk). The connector pin assignments are given in table b-8. Table b-8 front panel connector pin assignments pin signal description 1 2 sw_on# ground power on 3 4 sleep...

  • Page 108

    B-8 connector pin assignments diskette drive interface pin assignments table b-9 provides the pin assignments for the diskette drive interface connector. Table b-9 diskette drive connector pin assignments pin description pin description 1 ground 2 densel 3 ground 4 reserved 5 key 6 fdedin 7 ground 8...

  • Page 109

    Connector pin assignments b-9 ide interface connectors all signal levels in the ide interface are ttl compatible. A logic 1 is a signal whose voltage level is between 2.0 and 5.0 v. A logic 0 is a signal measuring between 0.00 v and 0.70 v. The two system board ide connectors are physically identica...

  • Page 110

    B-10 connector pin assignments dimm sockets table b-11 provides the dimm type, configuration, and technology by dimm size. Table b-11 dimm socket pin assignments pin description pin description pin description pin description 1 v ss 43 v ss 85 v ss 127 v ss 2 dq0 44 nc 86 dq32 128 cke0 3 dq1 45 s2 8...

  • Page 111

    Connector pin assignments b-11 agp connector table b-12 provides the pin assignments for the agp slot. Table b-12 agp connector pin assignments pin description pin description pin description pin description a1 +12v b1 no connect a34 vcc3.3 b34 vcc3.3 a2 no connect b2 vcc a35 ad22 b35 ad21 a3 reserv...

  • Page 112

    B-12 connector pin assignments isa expansion bus connector pin assignments the expansion slots signals, voltages, and grounds are supplied through the bus connectors. Table b-13 provides the pin assignments for the isa expansion slots. Table b-13 isa expansion slot pin assignments pin direction sign...

  • Page 113

    Connector pin assignments b-13 table b-13 isa expansion slot pin assignments pin direction signal pin direction signal a30 input/output sa1 b30 output osc a31 input/output sa0 b31 ground ground c1 input/output sbhe# d1 input memcs16# (m16#) c2 input/output la23 d2 input iocs16# (io16#) c3 input/outp...

  • Page 114

    B-14 connector pin assignments pci expansion bus connector pin assignments the expansion slots signals, voltages, and grounds are supplied through the bus connectors. Table b-14 provides the pin assignments for the pci expansion slots. Table b-14 pci expansion pin assignments pin signal pin signal p...

  • Page 115

    Connector pin assignments b-15 universal serial bus (usb) connectors table b-15 lists the pin assignments and signal names for the usb connectors. Table b-15 usb connectors pin signal name 1 power 2 usbp0# (usbp1#) 3 usbp0 (usbp1) 4 ground.

  • Page 116: Appendix C

    Appendix c system resources the following sections include information about: default system settings viewing system resources jumper settings on the system board. Irq settings the following settings are the default irq settings: irq0 (timer) irq1 (keyboard) irq2 (cascade interrupt) irq3 (com2) irq4...

  • Page 117

    C-2 system resources viewing system resources some hardware option installations might require system resources such as interrupt request (irq) lines, direct memory access (dma) channels, and input/output (i/o) addresses. See the following procedures to view system resources. Follow these steps to v...

  • Page 118

    System resources c-3 table c-1 system board jumper settings function jumper j8a1 configuration normal mode 1-2 factory setting. Sets the system for normal operation. The bios uses current configuration information and passwords for booting. Configure mode 2-3 allows system configuration. After post,...

  • Page 119

    C-4 system resources if you removed the jumper, the system attempts to recover the bios. A recovery diskette is needed. 9. Power off, unplug the system and monitor, and remove the access cover. 10. Remove the jumper block from pins 2-3 and replace it on pins 1-2. 11. If you removed any expansion boa...

  • Page 120

    System resources c-5 11. If you removed any expansion boards, replace them (see section 3, “expansion board installation”). 12. Replace the access cover. Reconnect the system power cables and peripheral devices. 13. Power on the system. 14. Run setup (see section 2)..

  • Page 121: Index

    Index b bios recovery, c-4 c cd-rom/dvd drive, 1-7 checking hard disk drive parameters, 2-8 cmos battery, 4-12 replacement, 4-12 configurations, 1-1 setup, 2-1 connectors, b-1 agp, b-11 dimm sockets, b-10 diskette drive, b-8 ide interface, b-9 isa expansion bus, b-12 keyboard, b-6 mouse, b-6 pci exp...

  • Page 122

    Index-2 mouse cleaning, 4-3 system cleaning, 4-2 memory upgrade, 3-8 mouse cleaning, 4-3 multimedia components cd-rom/dvd drive, 1-7 n nec csd telephone numbers, 4-1 o operation, 2-1 option installation, 3-1 cover removal, 3-3 expansion board removal, 3-7 external options, 3-24 precautions, 3-2 p pa...

  • Page 123

    (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 124

    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 ringer ...

  • Page 125

    Canadian department of communications modem connection requirements note: the canadian department of communications label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective, operational and safety requirements. The departme...

  • Page 126

    Battery disposal do not place used batteries in your regular trash. The nickel-cadmium or nickel metal-hydride batteries must be collected, recycled, or disposed of in an environmentally-approved manner. The incineration, landfilling, or mixing of batteries with the municipal solid waste stream is p...