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MB875 

  

Socket 479 Pentium

®

 M with 

 Intel

®

 852GM Chipset 

Custom Motherboard 

 for 1U Rackmount

  

 

 

USER’S MANUAL 

Version 1.0

 

 

 
 

Summary of Contents for MB875

Page 1: ...MB875 Socket 479 Pentium M with Intel 852GM Chipset Custom Motherboard for 1U Rackmount USER S MANUAL Version 1 0...

Page 2: ...International Business Machines Corporation Intel and Pentium M are registered trademarks of Intel Corporation Microsoft Windows is a registered trademark of Microsoft Corporation Winbond is a regist...

Page 3: ...tting the Jumpers 8 Connectors on MB875 13 BIOS Setup 21 Drivers Installation 44 Intel Chipset Software Intallation Utility 45 VGA Drivers Installation 47 AC97 Codec Audio Driver Installation 49 Intel...

Page 4: ...The MB875 Motherboard The MB875 Edge Connectors iv MB875 User s Manual...

Page 5: ...sive networking communication required by firewall or VPN and offers bypass function support on LAN1 and LAN2 to ensure high network availability To provide the best utilization and performance the pl...

Page 6: ...ual 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...

Page 7: ...h onboard lithium battery Keyboard Mouse PS 2 Keyboard Mouse connectors IDE Interface Two channels supports Ultra DMA 33 66 100 USB 4 ports USB 2 0 Watchdog Timer 256 segments 0 1 2 255 sec min Edge C...

Page 8: ...INTRODUCTION Board Dimensions 4 MB875 User s Manual...

Page 9: ...tions 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 Installing the Memory 7 S...

Page 10: ...st before inserting the processor Place the processor into the socket by making sure the notch on the corner of the CPU corresponds with the notch on the inside of the socket Once the processor has sl...

Page 11: ...DIMMs such as double sided x16 DDR SDRAM DIMMs are not supported Installing and Removing Memory Modules To install the DDR modules locate the memory slot on the board and perform the following steps...

Page 12: ...ns Contact your supplier if you have doubts about the best configuration for your needs The following lists the connectors on MB875 and their respective functions Jumper Locations on MB875 9 JP1 Clear...

Page 13: ...ons on MB875 Jumpers on MB875 Page JP1 Clear CMOS Contents 10 JP2 Watchdog Timer LAN1 LAN2 Bypass Settings 10 JP4 Compact Flash Slave Master 10 JP5 Processor Operating Frequency 10 JP7 Power ON Settin...

Page 14: ...ting Function Pin 1 3 2 4 Short Ethernet default Eth0 Eth1 None Bypass System will bypass LANs upon the timeout of Watchdog timer Pin 1 2 3 4 Open Ethernet default Eth0 Eth1 Bypass mode System will no...

Page 15: ...INSTALLATIONS Close 100MHz default MB875 User s Manual 11...

Page 16: ...INSTALLATIONS 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 12 MB875 User s Manual...

Page 17: ...SB Connector 15 J5 SATA HDD Connector 16 J6 SATA HDD Connector 16 J7 COM3 Serial Port 16 J8 COM4 Serial Port 17 J9 Case Open Detect Header 17 J10 ATX Power Connector 17 J11 Keyboard Mouse Connector 18...

Page 18: ...tect Header 17 J10 ATX Power Connector 17 J11 Keyboard Mouse Connector 18 J12 Power On Reset Headers 18 SW1 Digital I O Input Pin Switch 18 LED1 Digital IO Output LED 18 LED2 HDD Power LED 18 CN2 CN3...

Page 19: ...OM2 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 sen...

Page 20: ...n 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 Transmit data 4 DTR Data terminal ready 5 Gro...

Page 21: ...uest to send 8 CTS Clear to send 9 RI Ring indicator 10 No Connect J9 Case Open Detect Header Pin Signal Name 1 Case Open Detect 2 Ground J10 ATX Power Connector 11 1 20 10 Signal Name Pin Pin Signal...

Page 22: ...e Protect pin 10 5 N C KB clock 9 4 Mouse clock KB data 8 3 Mouse data Vcc 7 2 Vcc Ground 6 1 Ground J12 Power On Reset Headers Pin Signal Name 1 PS_ON 2 Ground Pin Signal Name 3 RESET 4 Ground SW1 Di...

Page 23: ...dy 4 9 RI Ring indicator GND ground 5 10 Not Used FAN1 CPU Fan Power Connector FAN1 is a 3 pin header for CPU fan power The fan must be a 12V 500mA fan Pin Signal Name 1 Ground 2 12V 3 Rotation detect...

Page 24: ...ddress 1 33 34 No connect Address 0 35 36 Address 2 Chip select 0 37 38 Chip select 1 Activity 39 40 Ground IDE2 Signal Name Pin Pin Signal Name Reset IDE 1 2 Ground Host data 7 3 4 Host data 8 Host d...

Page 25: ...re as follows BIOS Introduction 22 BIOS Setup 22 Standard CMOS Setup 24 Advanced BIOS Features 27 Advanced Chipset Features 31 Integrated Peripherals 34 Power Management Setup 37 PNP PCI Configuration...

Page 26: ...is immediately activated Pressing the Del key immediately allows you to enter the Setup utility If you are a little bit late pressing the Del key POST Power On Self Test will continue with its test r...

Page 27: ...ays the control keys for this menu At the bottom of the Main Menu just below the control keys section there is another section which displays information on the currently highlighted item in the list...

Page 28: ...mm ss 00 00 00 Menu Level IDE Primary Master None Change the day month Year and century IDE Primary Slave None IDE Secondary Master None IDE Secondary Slave None Video EGA VGA Halt On No Errors Base...

Page 29: ...irst is the Master and the second is the Slave Press Enter to configure the hard disk The selections include Auto Manual and None Select Manual to define the drive information manually You will be ask...

Page 30: ...r not the system will halt if an error is detected during power up No errors The system boot will not be halted for any error that may be detected All errors Whenever the BIOS detects a non fatal erro...

Page 31: ...eek Disabled Boot Up NumLock Status On Gate A20 Option Fast Typematic Rate Setting Disabled Typematic Rate Chars Sec 6 Typematic Delay Msec 250 Security Option Setup APIC Mode Enabled MPS Version Cont...

Page 32: ...ystem searches first for an operating system Boot Other Device These fields allow the system to search for an OS from other devices other than the ones selected in the First Second Third Boot Device S...

Page 33: ...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...

Page 34: ...98 s SCT test You should also disable the Onboard FDC Controller in the Integrated Peripherals screen when there s no floppy drive in the system If you set this feature to Disabled the BIOS will not...

Page 35: ...abled On Chip Frame Buffer Size 8MB Boot Display CRT DRAM Timing Selectable This option refers to the method by which the DRAM timing is selected The default is By SPD CAS Latency Time You can configu...

Page 36: ...ing of the system BIOS ROM at F000h FFFFFh resulting in better system performance However if any program writes to this memory area a system error may result Video BIOS Cacheable The Setting Enabled a...

Page 37: ...CI 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 default setting is 128M On Chip VGA The...

Page 38: ...rimary Master UDMA Auto IDE Primary Slave UDMA Auto On Chip Secondary PCI IDE Enabled IDE Secondary Master PIO Auto IDE Secondary Slave PIO Auto IDE Secondary Master UDMA Auto IDE Secondary Slave UDMA...

Page 39: ...Secondary Master Slave UDMA These fields allow your system to improve disk I O throughput to 33Mb sec with the Ultra DMA 33 feature The options are Auto and Disabled IDE HDD Block Mode This field allo...

Page 40: ...f your system has a floppy disk controller FDC installed on the motherboard and you wish to use it If you install an add in FDC or the system has no floppy drive select Disabled in this field This opt...

Page 41: ...d Date of Month Alarm 0 Time hh mm ss Alarm 0 0 0 Reload Global Timer Events Primary IDE 0 Disabled Primary IDE 1 Disabled Secondary IDE 0 Disabled Secondary IDE 1 Disabled FDD COM LPT Port Disabled P...

Page 42: ...nd after the set time of system inactivity all devices except the CPU will be shut off HDD Power Down When enabled and after the set time of system inactivity the hard disk drive will be powered down...

Page 43: ...abled the user is allowed to set the Date and Time Reload Global Timer Events The HDD FDD COM LPT Ports and PCI PIRQ are I O events that can prevent the system from entering a power saving mode or can...

Page 44: ...rces Press Enter PCI VGA Palette Snoop Disabled Reset Configuration Data This field allows you to determine whether to reset the configuration data or not The default value is Disabled Resources Contr...

Page 45: ...ture so that when the temperature is reached the system sounds a warning This function can help prevent damage to the system that is caused by overheating Temperatures Voltages These fields are the pa...

Page 46: ...tup Utility Frequency Voltage Control Auto Detect PCI Clk Disabled ITEM HELP Spread Spectrum Modulated Disabled Menu Level Auto Detect PCI Clk This field enables or disables the auto detection of the...

Page 47: ...sword message prompts on the screen Type the password up to eight characters in length and press Enter The system confirms your password by asking you to type it again After setting a password the scr...

Page 48: ...missing please contact the vendor where you made the purchase The contents of this section include the following Intel Chipset Software Intallation Utility VGA Drivers Installation AC97 Codec Audio Dr...

Page 49: ...s 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 Insert the CD that comes with the board Click...

Page 50: ...with the installation process 5 On Readme Information screen click Next to continue the installation 6 The Setup process is now complete Click Finish to restart the computer and for changes to take e...

Page 51: ...ow 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 52: ...DRIVER 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 48 MB875 User s Manual...

Page 53: ...omes with the motherboard Click Intel Chipsets and then Intel R 855 852GME Chipset Family Drivers 2 Click Realtek AC 97 Codec Audio Driver 3 When the Welcome screen appears click Next to continue 4 Se...

Page 54: ...e 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 prompte...

Page 55: ...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 Controll...

Page 56: ...DRIVER 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 52 MB875 User s Manual...

Page 57: ...t 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 SIL3512 Non RAID Click Next to continue 6 The installation pr...

Page 58: ...5Fh Timer 060h 06Fh Keyboard Controller 070h 07Fh Real Time Clock NMI 080h 09Fh DMA Page Register 0A0h 0BFh Interrupt Controller 2 0C0h 0DFh DMA Controller 2 0F0h Clear Math Coprocessor Busy Signal 0F...

Page 59: ...g table shows the IRQ used by the devices on board Level Function IRQ0 System Timer Output IRQ1 Keyboard IRQ2 Interrupt Cascade IRQ3 Serial Port 2 IRQ4 Serial Port 1 IRQ5 Reserved IRQ6 Floppy Disk Con...

Page 60: ...al circumstance the user will restart the WDT at regular intervals before the timer counts to zero SAMPLE CODE This code and information is provided as is without warranty of any kind either expressed...

Page 61: ...mov cl 30h call Write_Reg watchdog enabled call Lock_Chip ret Enable_And_Set_Watchdog Endp Name Disable_Watchdog IN None OUT None Disable_Watchdog Proc Near call Unlock_Chip mov cl 07h mov al 08h call...

Page 62: ...t dx al out dx al ret Unlock_Chip Endp Name Lock_Chip IN None OUT None Unlock_Chip Proc Near mov dx 4Eh mov al 0AAh out dx al ret Unlock_Chip Endp Name Write_Reg IN CL register index AL Value to write...

Page 63: ...APPENDIX MB875 User s Manual 59 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 64: ...ANTIES OF MERCHANTABILITY AND OR FITNESS FOR A PARTICULAR PURPOSE ifndef __W627HF_H define __W627HF_H 1 define W627_IOBASE 0x4E define W627HF_INDEX_PORT W627_IOBASE 0 define W627HF_DATA_PORT W627_IOBA...

Page 65: ...ORT W627HF_UNLOCK outportb W627HF_INDEX_PORT W627HF_UNLOCK void Lock_W627HF void outportb W627HF_INDEX_PORT W627HF_LOCK void Set_W627HF_LD unsigned char LD Unlock_W627HF outportb W627HF_INDEX_PORT W62...

Page 66: ...ClrKbBuf void int main int argc char argv int main int argc char argv unsigned char ucDO 0 data for digital output unsigned char ucDI data for digital input unsigned char ucBuf Set_W627HF_LD 0x07 swit...

Page 67: ...APPENDIX MB875 User s Manual 63 This page is intentionally left blank...

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