Instruction/ maintenance manual of the product MB875 Intel
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MB875 Intel ® 852GM Chipset Custom Motherboard for 1U Rackmount USER’S MANUAL Version 1.0.
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 regist ered trademark of Microsoft Corporation.
MB890 User’s Manual iii Table of Contents Introduction ....................................................... 1 Product Description ............................................................. 1 Checklist ..........................................
The MB875 Motherboard The MB875 Edge Connectors iv MB890 User’s Manual.
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 a pplications.
INTRODUCTION 2 MB890 User’s Manual Checklist Your MB875 package should include the i tems l isted below. • The MB875 Pentium ® M Mini-ITX m otherboard • This User’s Manual • 1 CD containing.
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 mFCBGA ICH4: 82801DB 421-pin BGA, Green /APM APM1.
INTRODUCTION Board Dimensions 4 MB890 User’s Manual.
INSTALLATIONS MB890 User’s Manual 5 Installations This section provides inform ation on how to use the jum pers and connectors on the M B875 in order to set up a workable syst em. The topics covered are: 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 come s with a screw to secure the processor. As shown in the l eft picture below, loosen the screw first before inserti ng the processor.
INSTALLATIONS Installing the Memory The MB875 board supports one DDR me mory sockets for a m axim um total m emory of 1GB in DDR mem ory type. The mem o ry m odule capacities supported are 128MB, 256MB, 512MB and 1GB. The following tabl e lists t he supported DDR DIMM configurations.
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 applica tions. Contact your supplier if you have doubts about the best configurati on for your needs.
INSTALLATIONS Jumper Locations on MB875 Jumpers on MB875 ........................................................................... Page JP1: Clear CMOS Contents ................................................................. 10 JP2: Watchdog Timer Settings .
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 cl earing CMOS.
INSTALLATIONS JP5: Processor Operating Frequency JP5 CPU Operating Frequency Open 133MHz Close 100MHz (default) JP7: Pow er ON Setting JP7 Setting Function Pin 1-2 Short/Closed Power on by syste m but.
INSTALLATIONS 12 MB890 User’s Manual Connectors on MB875 The connectors on MB875 allows you t o connect external devices such as keyboard, floppy disk drives, hard disk drives, printe rs, etc. The following table lists the connectors on MB 875 and their respective functions.
INSTALLATIONS Connector Locations on MB875 Connectors on MB875 ...................................................................... Page J1: VGA CRT Connector .................................................................... 14 J2: COM2 Seri al Port .
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 Nam.
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.
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.
INSTALLATIONS J11: Keyboard / Mouse Connector J11, a 10-pin header connector, has functions for both key board and mouse. The following t able shows the pin assignments of this connector.
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BIOS SETUP MB890 User’s Manual 19 BIOS Setup This chapter describes the different setting s available in the Award BIOS that comes with the board. The topics covered in this chapter are as follows: BIOS Introduction .................................
BIOS SETUP 20 MB890 User’s Manual BIOS Introduction The Award BIOS (Basic Input/Output Sy stem) inst alled in your computer sy stem’s ROM supports Intel processors. The BIOS provides critical l ow-level support for a standard device such as disk dri ves, serial ports and parallel ports .
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 Loa.
BIOS SETUP 22 MB890 User’s Manual Standard CMOS Setup “Standard CMOS Setup” choice al lows you to record some basi c hardware configurations in your com puter system and set the system clock and error handling. If the m otherboard is already install ed in a working system, you will not need to select this option.
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, hi ghlight the “Time” field and use the <PgUp>/ <PgDn> or +/- keys to set the current time.
BIOS SETUP 24 MB890 User’s Manual Video This field selects the type of video di splay card instal led i n your syst em . You can choose the following video displ ay cards: EGA/VGA For EGA, VGA, SEGA, SVGA or PGA m onitor adapters. (default) CGA 40 Power up in 40 column m ode.
BIOS SETUP MB890 User’s Manual 25 Advanced BIOS Features This section allows you to configure and im prove your system and allows you to set up some system f eatures according to your preference.
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 availabl e include Floppy , LS120 , HDD-0 , SCSI, CDROM, HDD-1 , HDD-2 , HDD-3 , ZIP100 , USB-FDD, USB-CDROM , USB-HDD and Disable .
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 ti me you boot up.
BIOS SETUP 28 MB890 User’s Manual Advanced Chipset Features This Setup me nu controls the configuration of t he chipset. Phoenix - AwardBIOS CMOS Setup Utility Advanced Chipset Features DRAM Timing .
BIOS SETUP MB890 User’s Manual 29 DRAM RAS# Precharge This option sets the num ber of cycles required for the R AS 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 m em ory m odul e supports i t.
BIOS SETUP 30 MB890 User’s Manual AGP Aperture Size The field sets aperture size of the gr aphics. The aperture is a portion of the PCI mem ory address range dedicated for graphics m emory address space. Host cycles that hit the aperture range ar e forwarded to the AGP without any translation.
BIOS SETUP MB890 User’s Manual 31 Integrated Peripherals This section sets configurations for your hard disk and ot her integrated peripherals. The first screen shows th ree main items for user to select. Once an item selected, a submenu appears. Details follow.
BIOS SETUP 32 MB890 User’s Manual Phoenix - AwardBIOS CMOS Setup Utility SuperIO Device Onboard FDC Controll er Enabled ITEM HELP Onboard Serial Port 1 3F8/IRQ4 Menu Level > Onboard Serial Port 2.
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.
BIOS SETUP 34 MB890 User’s Manual UART Mode Select This field determ ines the UART 2 m ode in your computer. The default value is Normal . Other options include IrDA and ASKIR . Parallel Port Mode This field allows y ou to determi ne parallel port m ode function.
BIOS SETUP MB890 User’s Manual 35 Power Management Setup The Power Managem ent Setup allows you to save energy of your system effectively. Phoenix - AwardBIOS CMOS Setup Utility Power Management Set.
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 Defaul t setting, blank the screen and turn off vertical and horizontal scanning. DPMS Allows BIOS to control t he video display.
BIOS SETUP MB890 User’s Manual 37 Pow er On by Ring This field enables or disabl es the power on of the system through the modem connected to the serial port or LAN. Resume by Alarm This field enables or disabl es the resumption of the system operation.
BIOS SETUP 38 MB890 User’s Manual PNP/PCI Configurations This option configures the PCI bus sy stem. All PCI bus system s on the system use INT#, thus all installed PCI cards must be set to this value.
BIOS SETUP MB890 User’s Manual 39 PC Health Status This section shows the parameters in determining the PC Health Status. These parameters include tem perat ures, fan speeds and voltages. Phoenix - AwardBIOS CMOS Setup Utility PC Health Status CPU Warning Temperature 85°C ITEM HELP Shutdown Temperature Disabled Menu Level > System Temp.
BIOS SETUP 40 MB890 User’s Manual Frequency/Voltage Control This section shows the user how to configure t he processor frequency. Phoenix - AwardBIOS CMOS Setup Utility Frequency/Voltag e Control A.
BIOS SETUP MB890 User’s Manual 41 Load Fail-Safe Defaults This option allows y ou to load the t roubleshooting default values permanently stored in the BIOS ROM.
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DRIVERS INSTALLATION MB890 User’s Manual 43 Drivers Installation This section describes the in stalla tion 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.
DRIVER INSTALLATION Intel Chipset Software Intallation Utility The Intel Chipset Drivers should be i nstalled first before t he software drivers to enable Plug & Pl ay INF support for Int el chi pset com ponent s. Follow the instructions bel ow to complete t he installation under Windows 98SE/ME/2000/XP.
DRIVERS INSTALLATION 3. When the Welcome screen appears, click Next to continue. 4. Click Ye s to accept the software license agreement and proceed with the installation pro cess. 5. On Readme Inform ation screen, click Next to continue the installation.
DRIVER INSTALLATION VGA Drivers Installation To install the VGA drivers, follow the steps belo w 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 .
DRIVERS INSTALLATION 4. Click Ye s to to agree with the license agreement and continue the installation. 5. Restart the com puter as promte d and for changes to take effect.
DRIVER INSTALLATION AC97 Codec Audio Driver Installation Follow the step s below to install th e Realtek AC97 Codec Aud io Drivers. 1. Insert the CD that comes with the motherboard. Click Intel Chipsets and then Intel(R) 855/852GME Chipset Family Drivers .
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 cont inue.
DRIVER INSTALLATION SATA Drivers Installation To install the SATA driv ers, follow the steps belo w to proceed with the installation. 1. Insert the Windows operating system , go to the Device Manager.
DRIVERS INSTALLATION 2. In the Properties window, cli ck Update Driver . 3. Once in the Welcome screen of th e Hardware Update Wizard, select “ No, not this time ” and click Next .
DRIVER INSTALLATION 4. Select “ Install from a list or specifi c location (Advanced) “ and click Next . 5. Click Browse to find the location o f the drivers. Assuming D: is the drive where the CD drivers is located, the path would be: D:SataSATASIL3512 Non-RAID.
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 b ecomes the identity of the d evice.
APPENDIX 54 MB890 User’s Manual B. Interrupt Request Lines (IRQ) Peripheral devices use interrupt request l ines to notify CPU for the service required.
APPENDIX MB890 User’s Manual 55 C. Watchdog Timer Configuration The WDT is used to generate a variety of output signals after a user programm able count. The WDT is suitable for use i n the prevention of system lock-up, such as when soft ware becom es trapped in a deadlock.
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 tim er mov al, 01h mov cl, 30h ca.
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 r.
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, .
APPENDIX MB890 User’s Manual 59 D. Digital I/O Sample Code Filename: W 627hf. h //===================================================================== // // THIS CODE AND INFORMATION IS PROVIDED &q.
APPENDIX 60 MB890 User’s Manual Filename: W 627hf.cpp //===================================================================== // // THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WA.
APPENDIX MB890 User’s Manual 61 //===================================================================== // THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY // KIND, EITHER EXPRESSED OR IMPLIED, IN CLUDING BUT NOT LIMITED TO THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND/ OR FITNESS FOR A PARTICULAR // PURPOSE.
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An important point after buying a device Intel MB875 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Intel MB875 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Intel MB875 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Intel MB875 you will learn all the available features of the product, as well as information on its operation. The information that you get Intel MB875 will certainly help you make a decision on the purchase.
If you already are a holder of Intel MB875, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Intel MB875.
However, one of the most important roles played by the user manual is to help in solving problems with Intel MB875. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Intel MB875 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
