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IBT MB875 User Manual

Manual is about: Intel 852GM Chipset Custom Motherboard for 1U Rackmount

Summary of MB875

  • Page 1

    Mb875 intel ® 852gm chipset custom motherboard for 1u rackmount user’s manual version 1.0

  • Page 2: Acknowledgments

    Ii mb890 user’s manual acknowledgments award is a registered trademark of award software international, inc. Ps/2 is a trademark of international business machines corporation. Intel and pentium m are registered trademarks of intel corporation. Microsoft windows is a registered trademark of microsof...

  • Page 3: Introduction

    Mb890 user’s manual iii table of contents introduction ....................................................... 1 product description ............................................................. 1 checklist .............................................................................. 2 mb875 specif...

  • Page 4

    The mb875 motherboard the mb875 edge connectors iv mb890 user’s manual.

  • Page 5: Introduction

    Introduction mb890 user’s manual 1 introduction product description the mb875 is a versatile motherboard with four gigabit ethernets that is designed for soho network security applications. Optimized for network performance, this scalable platform is based on the intel(r) 852gm chipset and supports ...

  • Page 6: Checklist

    Introduction 2 mb890 user’s manual checklist your mb875 package should include the items listed below. •the mb875 pentium ® m mini-itx motherboard •this user’s manual •1 cd containing chipset drivers and flash memory utility •option cable vga4k usb2k-4 pk1-2k pk1k ps2d.

  • Page 7: Mb875 Specifications

    Introduction mb890 user’s manual 3 mb875 specifications [ cpu type intel ulv celeron m cpu or intel pentium m cpu cpu voltage 0.700v ~ 1.708v cpu speed 600mhz cpu fsb 400mhz cache 512k level 2 (cpu integrated) cpu socket bga on board or socket 479 chipset intel 852gm chipset: gmch: 852gm 732-pin mfc...

  • Page 8: Board Dimensions

    Introduction board dimensions 4 mb890 user’s manual.

  • Page 9: Installations

    Installations mb890 user’s manual 5 installations this section provides information on how to use the jumpers and connectors on the mb875 in order to set up a workable system. The topics covered are: installing the cpu ........................................................................ 6 instal...

  • Page 10: Installing The Cpu

    Installations installing the cpu the mb875 board supports a socket 479 processor socket for intel ® pentium ® m or celeron ® m processors. The processor socket comes with a screw to secure the processor. As shown in the left picture below, loosen the screw first before inserting the processor. Place...

  • Page 11: Installing The Memory

    Installations installing the memory the mb875 board supports one ddr memory sockets for a maximum total memory of 1gb in ddr memory type. The memory module capacities supported are 128mb, 256mb, 512mb and 1gb. The following table lists the supported ddr dimm configurations. Intel ® 852gm supports co...

  • Page 12: Setting The Jumpers

    Installations 8 mb890 user’s manual setting the jumpers jumpers are used on mb875 to select various settings and features according to your needs and applications. Contact your supplier if you have doubts about the best configuration for your needs. The following lists the connectors on mb875 and th...

  • Page 13

    Installations jumper locations on mb875 jumpers on mb875 ........................................................................... Page jp1: clear cmos contents ................................................................. 10 jp2: watchdog timer settings ..........................................

  • Page 14

    Installations jp1: clear cmos contents use jp1 to clear the cmos contents. Note that the atx-power connector should be disconnected from the board before clearing cmos. Jp1 setting function pin 1-2 short/closed normal pin 2-3 short/closed clear cmos jp2: watchdog timer settings jp2 setting function ...

  • Page 15

    Installations jp5: processor operating frequency jp5 cpu operating frequency open 133mhz close 100mhz (default) jp7: power on setting jp7 setting function pin 1-2 short/closed power on by system button pin 2-3 short/closed power on by power supply ac on mb890 user’s manual 11.

  • Page 16: Connectors On Mb875

    Installations 12 mb890 user’s manual connectors on mb875 the connectors on mb875 allows you to connect external devices such as keyboard, floppy disk drives, hard disk drives, printers, etc. The following table lists the connectors on mb875 and their respective functions. Connector locations on mb87...

  • Page 17

    Installations connector locations on mb875 connectors on mb875 ...................................................................... Page j1: vga crt connector .................................................................... 14 j2: com2 serial port .................................................

  • Page 18

    Installations j1: vga crt connector signal name pin pin signal name r 1 2 +5v g 3 4 gnd b 5 6 nc nc 7 8 spd1 gnd 9 10 hsync gnd 11 12 vsync gnd 13 14 spclk gnd 15 j2: com2 serial port pin # signal name (rs-232) 1 dcd, data carrier detect 2 rxd, receive data 3 txd, transmit data 4 dtr, data terminal ...

  • Page 19

    Installations j5: sata hdd connector pin # signal name 1 ground 2 tx+ 3 tx- 4 ground 5 rx- 6 rx+ 7 ground j6: sata hdd connector pin # signal name 1 ground 2 tx+ 3 tx- 4 ground 5 rx- 6 rx+ 7 ground j7: com3 serial port pin # signal name (rs-232) 1 dcd, data carrier detect 2 rxd, receive data 3 txd, ...

  • Page 20

    Installations j8: com4 serial port pin # signal name (rs-232) 1 dcd, data carrier detect 2 rxd, receive data 3 txd, transmit data 4 dtr, data terminal ready 5 ground 6 dsr, data set ready 7 rts, request to send 8 cts, clear to send 9 ri, ring indicator 10 no connect. J9: case open detect header pin ...

  • Page 21

    Installations j11: keyboard / mouse connector j11, a 10-pin header connector, has functions for both keyboard and mouse. The following table shows the pin assignments of this connector. Signal name pin # pin # signal name protect pin 10 5 n.C. Kb clock 9 4 mouse clock kb data 8 3 mouse data vcc 7 2 ...

  • Page 22

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  • Page 23: Bios Setup

    Bios setup mb890 user’s manual 19 bios setup this chapter describes the different settings available in the award bios that comes with the board. The topics covered in this chapter are as follows: bios introduction ........................................................................ 20 bios setu...

  • Page 24

    Bios setup 20 mb890 user’s manual bios introduction the award bios (basic input/output system) installed in your computer system’s rom supports intel processors. The bios provides critical low-level support for a standard device such as disk drives, serial ports and parallel ports. It also adds viru...

  • Page 25

    Bios setup mb890 user’s manual 21 phoenix - awardbios cmos setup utility standard cmos features frequency/voltage control advanced bios features load fail-safe defaults advanced chipset features load optimized defaults integrated peripherals set supervisor password power management setup set user pa...

  • Page 26

    Bios setup 22 mb890 user’s manual standard cmos setup “standard cmos setup” choice allows you to record some basic hardware configurations in your computer system and set the system clock and error handling. If the motherboard is already installed in a working system, you will not need to select thi...

  • Page 27

    Bios setup mb890 user’s manual 23 time the time format is: hour : 00 to 23 minute : 00 to 59 second : 00 to 59 to set the time, highlight the “time” field and use the / or +/- keys to set the current time. Ide primary hdds / ide secondary hdds the onboard pci ide connectors provide primary and secon...

  • Page 28

    Bios setup 24 mb890 user’s manual video this field selects the type of video display card installed in your system. You can choose the following video display cards: ega/vga for ega, vga, sega, svga or pga monitor adapters. (default) cga 40 power up in 40 column mode. Cga 80 power up in 80 column mo...

  • Page 29

    Bios setup mb890 user’s manual 25 advanced bios features this section allows you to configure and improve your system and allows you to set up some system features according to your preference. Phoenix - awardbios cmos setup utility advanced bios features cpu feature press enter item help virus warn...

  • Page 30

    Bios setup 26 mb890 user’s manual first/second/third boot device these fields determine the drive that the system searches first for an operating system. The options available include floppy, ls120, hdd-0, scsi, cdrom, hdd-1, hdd-2, hdd-3, zip100, usb-fdd, usb-cdrom, usb-hdd and disable. Boot other ...

  • Page 31

    Bios setup mb890 user’s manual 27 security option this field allows you to limit access to the system and setup. The default value is setup. When you select system, the system prompts for the user password every time you boot up. When you select setup, the system always boots up and prompts for the ...

  • Page 32

    Bios setup 28 mb890 user’s manual advanced chipset features this setup menu controls the configuration of the chipset. Phoenix - awardbios cmos setup utility advanced chipset features dram timing selectable by spd item help cas latency time 2 menu level > active to precharge delay 6 dram ras# to cas...

  • Page 33

    Bios setup mb890 user’s manual 29 dram ras# precharge this option sets the number of cycles required for the ras to accumulate its charge before the sdram refreshes. The default setting for the active to precharge delay is 3. Dram data integrity mode select ecc if your memory module supports it. The...

  • Page 34

    Bios setup 30 mb890 user’s manual agp aperture size the field sets aperture size of the graphics. The aperture is a portion of the pci memory address range dedicated for graphics memory address space. Host cycles that hit the aperture range are forwarded to the agp without any translation. The defau...

  • Page 35

    Bios setup mb890 user’s manual 31 integrated peripherals this section sets configurations for your hard disk and other integrated peripherals. The first screen shows three main items for user to select. Once an item selected, a submenu appears. Details follow. Phoenix - awardbios cmos setup utility ...

  • Page 36

    Bios setup 32 mb890 user’s manual phoenix - awardbios cmos setup utility superio device onboard fdc controller enabled item help onboard serial port 1 3f8/irq4 menu level > onboard serial port 2 2f8/irq3 uart mode select normal rxd , txd active hi, lo ir transmission delay disabled ur2 duplex mode h...

  • Page 37

    Bios setup mb890 user’s manual 33 usb 2.0 controller the options for this field are enabled and disabled. By default, this field is set to enabled. In order to use usb 2.0, necessary os drivers must be installed first. Please update your system to windows 2000 sp4 or windows xp sp1. Usb keyboard sup...

  • Page 38

    Bios setup 34 mb890 user’s manual uart mode select this field determines the uart 2 mode in your computer. The default value is normal. Other options include irda and askir. Parallel port mode this field allows you to determine parallel port mode function. Spp standard printer port epp enhanced para...

  • Page 39

    Bios setup mb890 user’s manual 35 power management setup the power management setup allows you to save energy of your system effectively. Phoenix - awardbios cmos setup utility power management setup power-supply type atx item help acpi function enabled power management user define menu level > vide...

  • Page 40

    Bios setup 36 mb890 user’s manual video off method this field defines the video off features. There are three options. V/h sync + blank default setting, blank the screen and turn off vertical and horizontal scanning. Dpms allows bios to control the video display. Blank screen writes blanks to the vi...

  • Page 41

    Bios setup mb890 user’s manual 37 power on by ring this field enables or disables the power on of the system through the modem connected to the serial port or lan. Resume by alarm this field enables or disables the resumption of the system operation. When enabled, the user is allowed to set the date...

  • Page 42

    Bios setup 38 mb890 user’s manual pnp/pci configurations this option configures the pci bus system. All pci bus systems on the system use int#, thus all installed pci cards must be set to this value. Phoenix - awardbios cmos setup utility pnp/pci configurations reset configuration data disabled item...

  • Page 43

    Bios setup mb890 user’s manual 39 pc health status this section shows the parameters in determining the pc health status. These parameters include temperatures, fan speeds and voltages. Phoenix - awardbios cmos setup utility pc health status cpu warning temperature 85°c item help shutdown temperatur...

  • Page 44

    Bios setup 40 mb890 user’s manual frequency/voltage control this section shows the user how to configure the processor frequency. Phoenix - awardbios cmos setup utility frequency/voltage control auto detect pci clk disabled item help spread spectrum modulated disabled menu level > auto detect pci cl...

  • Page 45

    Bios setup mb890 user’s manual 41 load fail-safe defaults this option allows you to load the troubleshooting default values permanently stored in the bios rom. These default settings are non-optimal and disable all high-performance features. Load optimized defaults this option allows you to load the...

  • Page 46

    Bios setup 42 mb890 user’s manual this page is intentionally left blank..

  • Page 47: Drivers Installation

    Drivers installation mb890 user’s manual 43 drivers installation this section describes the installation procedures for software and drivers under the windows 98se, windows me, windows 2000 and windows xp. The software and drivers are included with the motherboard. If you find the items missing, ple...

  • Page 48

    Driver installation intel chipset software intallation utility the intel chipset drivers should be installed first before the software drivers to enable plug & play inf support for intel chipset components. Follow the instructions below to complete the installation under windows 98se/me/2000/xp. 1. ...

  • Page 49

    Drivers installation 3. When the welcome screen appears, click next to continue. 4. Click yes to accept the software license agreement and proceed with the installation process. 5. On readme information screen, click next to continue the installation. 6. The setup process is now complete. Click fini...

  • Page 50: Vga Drivers Installation

    Driver installation vga drivers installation to install the vga drivers, follow the steps below to proceed with the installation. 1. Insert the cd that comes with the motherboard. Click intel chipsets and then intel(r) 855/852gme chipset family drivers. 2. Click intel(r) 855/852gme chipset family gr...

  • Page 51

    Drivers installation 4. Click yes to to agree with the license agreement and continue the installation. 5. Restart the computer as promted and for changes to take effect. Mb890 user’s manual 47.

  • Page 52

    Driver installation ac97 codec audio driver installation follow the steps below to install the realtek ac97 codec audio drivers. 1. Insert the cd that comes with the motherboard. Click intel chipsets and then intel(r) 855/852gme chipset family drivers. 2. Click realtek ac'97 codec audio driver. 3. W...

  • Page 53

    Drivers installation intel pro lan drivers installation follow the steps below to complete the installation of the intel pro lan drivers. 1. Insert the cd that comes with the motherboard. Click lan card and then intel(r) pro lan drivers. 2. Click install base software to continue. 3. When prompted, ...

  • Page 54: Sata Drivers Installation

    Driver installation sata drivers installation to install the sata drivers, follow the steps below to proceed with the installation. 1. Insert the windows operating system, go to the device manager. Click the mass storage controller. 50 mb890 user’s manual.

  • Page 55

    Drivers installation 2. In the properties window, click update driver. 3. Once in the welcome screen of the hardware update wizard, select “no, not this time” and click next. Mb890 user’s manual 51.

  • Page 56

    Driver installation 4. Select “install from a list or specific location (advanced)“ and click next. 5. Click browse to find the location of the drivers. Assuming d: is the drive where the cd drivers is located, the path would be: d:\sata\sata\sil3512on-raid. Click next to continue 6. The installat...

  • Page 57: Appendix

    Appendix mb890 user’s manual 53 appendix a. I/o port address map each peripheral device in the system is assigned a set of i/o port addresses which also becomes the identity of the device. The following table lists the i/o port addresses used. Address device description 000h - 01fh dma controller #1...

  • Page 58

    Appendix 54 mb890 user’s manual b. Interrupt request lines (irq) peripheral devices use interrupt request lines to notify cpu for the service required. The following table shows the irq used by the devices on board. Level function irq0 system timer output irq1 keyboard irq2 interrupt cascade irq3 se...

  • Page 59

    Appendix mb890 user’s manual 55 c. Watchdog timer configuration the wdt is used to generate a variety of output signals after a user programmable count. The wdt is suitable for use in the prevention of system lock-up, such as when software becomes trapped in a deadlock. Under these sort of circumsta...

  • Page 60

    Appendix 56 mb890 user’s manual mov cl, 0f5h call read_reg and al, not 08h call write_reg ;set count mode as second pop ax mov cl, 0f6h call write_reg ;set watchdog timer mov al, 01h mov cl, 30h call write_reg ;watchdog enabled call lock_chip ret enable_and_set_watchdog endp ;[]=====================...

  • Page 61

    Appendix mb890 user’s manual 57 ; name : unlock_chip ; in : none ; out : none ;[]=============================================== unlock_chip proc near mov dx, 4eh mov al, 87h out dx, al out dx, al ret unlock_chip endp ;[]================================================ ; name : lock_chip ; in : none...

  • Page 62

    Appendix 58 mb890 user’s manual ; name : read_reg ; in : cl - register index ; out : al - value to read ;[]================================================= == read_reg proc near mov al, cl mov dx, 4eh out dx, al inc dx in al, dx ret read_reg endp ;[]================================================.

  • Page 63: D. Digital I/o Sample Code

    Appendix mb890 user’s manual 59 d. Digital i/o sample code filename: w627hf.H //===================================================================== // // this code and information is provided "as is" without warranty of any // kind, either expressed or implied, including but not limited to the // ...

  • Page 64

    Appendix 60 mb890 user’s manual filename: w627hf.Cpp //===================================================================== // // this code and information is provided "as is" without warranty of any // kind, either expressed or implied, including but not limited to the // implied warranties of mer...

  • Page 65

    Appendix mb890 user’s manual 61 //===================================================================== // this code and information is provided "as is" without warranty of any // kind, either expressed or implied, including but not limited to the // implied warranties of merchantability and/or fitn...

  • Page 66

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