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IBT MB875 User Manual

Intel 852gm chipset custom motherboard for 1u rackmount
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MB875
®
Intel
852GM Chipset
Custom Motherboard
for 1U Rackmount
USER'S MANUAL
Version 1.0

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Summary of Contents for IBT MB875

  • Page 1 MB875 ® Intel 852GM Chipset Custom Motherboard for 1U Rackmount USER’S MANUAL Version 1.0...
  • Page 2 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 Microsoft Corporation. Winbond is a registered trademark of Winbond Electronics Corporation.

  • Page 3: Table Of Contents

    Board Dimensions ............... 4 Installations ............5 Installing the CPU ............... 6 Installing the Memory ............7 Setting the Jumpers ............. 8 Connectors on MB875 ............12 BIOS Setup ............19 Drivers Installation ........43 Intel Chipset Software Intallation Utility ......44 VGA Drivers Installation ..........
  • Page 4 The MB875 Motherboard The MB875 Edge Connectors MB890 User’s Manual...

  • Page 5: Introduction

    INTRODUCTION 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 Intel(R) Pentium(R) M / Celeron(R) M processors of up to 2.0GHz speeds with front size bus of 400MHz.

  • Page 6: Checklist

    INTRODUCTION 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 MB890 User’s Manual...

  • Page 7: Mb875 Specifications

    INTRODUCTION MB875 Specifications CPU Type Intel ULV Celeron M CPU or Intel Pentium M CPU CPU Voltage 0.700V ~ 1.708V 600MHz CPU Speed 400MHz CPU FSB 512K Level 2 (CPU integrated) Cache BGA on board or socket 479 CPU Socket...

  • Page 8: Board Dimensions

    INTRODUCTION Board Dimensions MB890 User’s Manual...

  • Page 9: Installations

    INSTALLATIONS 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 Installing the Memory ..............7 Setting the Jumpers ..............8 Connectors on MB875 ...............

  • 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.

  • 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 configurations defined in the JEDEC DDR DIMM specification only.

  • Page 12: Setting The Jumpers

    INSTALLATIONS 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 their respective functions.
  • Page 13 INSTALLATIONS Jumper Locations on MB875 Jumpers on MB875 ................Page JP1: Clear CMOS Contents ..............10 JP2: Watchdog Timer Settings ............10 JP4: Compact Flash Slave/Master ............10 JP5: Processor Operating Frequency ........... 11 JP7: Power ON Setting ................ 11...

  • Page 14: Jp1: Clear Cmos Contents

    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. Setting Function Pin 1-2 Normal Short/Closed Pin 2-3 Clear CMOS Short/Closed JP2: Watchdog Timer Settings JP2 Setting Function Ethernet default: Eth0 &...

  • Page 15: Jp5: Processor Operating Frequency

    INSTALLATIONS JP5: Processor Operating Frequency CPU Operating Frequency 133MHz Open 100MHz (default) Close JP7: Power ON Setting Setting Function Pin 1-2 Power on by system Short/Closed button Pin 2-3 Power on by power Short/Closed supply AC on MB890 User’s Manual...

  • Page 16: Connectors On Mb875

    INSTALLATIONS 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 MB875 ............13 J1: VGA CRT Connector ..............

  • Page 17: Connector Locations On Mb875

    INSTALLATIONS Connector Locations on MB875 Connectors on MB875 ..............Page J1: VGA CRT Connector ..............14 J2: COM2 Serial Port ................14 J4: USB Connector ................14 J5: SATA HDD Connector ..............15 J6: SATA HDD Connector ..............15 J7: COM3 Serial Port ................15 J8: COM4 Serial Port ................

  • Page 18: J1: Vga Crt Connector

    INSTALLATIONS J1: VGA CRT Connector Signal Name Signal Name SPD1 Hsync Vsync SPCLK J2: COM2 Serial Port Pin # Signal Name (RS-232) DCD, Data carrier detect RXD, Receive data TXD, Transmit data DTR, Data terminal ready Ground DSR, Data set ready RTS, Request to send CTS, Clear to send RI, Ring indicator...

  • Page 19: J5: Sata Hdd Connector

    INSTALLATIONS J5: SATA HDD Connector Pin # Signal Name Ground Ground Ground J6: SATA HDD Connector Pin # Signal Name Ground Ground Ground J7: COM3 Serial Port Pin # Signal Name (RS-232) DCD, Data carrier detect RXD, Receive data TXD, Transmit data DTR, Data terminal ready Ground DSR, Data set ready...

  • Page 20: J8: Com4 Serial Port

    INSTALLATIONS J8: COM4 Serial Port Pin # Signal Name (RS-232) DCD, Data carrier detect RXD, Receive data TXD, Transmit data DTR, Data terminal ready Ground DSR, Data set ready RTS, Request to send CTS, Clear to send RI, Ring indicator No Connect.

  • Page 21: J11: Keyboard / Mouse Connector

    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 N.C. KB clock Mouse clock KB data Mouse data...
  • Page 22 INSTALLATIONS This page is intentionally left blank. MB890 User’s Manual...

  • Page 23: Bios Setup

    BIOS SETUP 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 Setup ................... 20 Standard CMOS Setup ..............22 Advanced BIOS Features .............

  • Page 24: Bios Introduction

    BIOS SETUP 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 virus and password protection as well as special support for detailed fine-tuning of the chipset controlling the entire system.
  • Page 25 BIOS SETUP 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 Password PnP/PCI Configurations Save & Exit Setup PC Health Status Exit Without Saving ESC : Quit...

  • Page 26: Standard Cmos Setup

    BIOS SETUP 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 this option. You will need to run the Standard CMOS option, however, if you change your system hardware configurations, the onboard battery fails, or the configuration stored in the CMOS memory was lost or damaged.
  • Page 27 BIOS SETUP 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 <PgUp>/ <PgDn> or +/- keys to set the current time. IDE Primary HDDs / IDE Secondary HDDs The onboard PCI IDE connectors provide Primary and Secondary channels for connecting up to four IDE hard disks or other IDE devices.
  • Page 28 BIOS SETUP 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 mode.

  • Page 29: Advanced Bios Features

    BIOS SETUP 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 Warning Disabled...
  • Page 30 BIOS SETUP 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 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.
  • Page 31 BIOS SETUP 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 Supervisor Password only when the Setup utility is called up.

  • Page 32: Advanced Chipset Features

    BIOS SETUP 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 Menu Level > Active to Precharge Delay DRAM RAS# to CAS# Delay DRAM RAS# Precharge DRAM Data Integrity Mode...
  • Page 33 BIOS SETUP 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 memory controller will detect and correct single-bit soft memory errors.
  • Page 34 8MB and 16MB. Boot Display The default setting is CRT+DVI. The options available include some combinations with LVDS and TV-out. The MB875 supports dual view (CRT with LVDS or TV-out). TV Standard (on MB875F/FC version only) The default setting is Off.

  • Page 35: Integrated Peripherals

    BIOS SETUP 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 Integrated Peripherals Press Enter ITEM HELP...

  • Page 36: Ide Hdd Block Mode

    BIOS SETUP Phoenix - AwardBIOS CMOS Setup Utility SuperIO Device ITEM HELP Onboard FDC Controller Enabled Menu Level > Onboard Serial Port 1 3F8/IRQ4 Onboard Serial Port 2 2F8/IRQ3 UART Mode Select Normal RxD , TxD Active Hi, Lo IR Transmission Delay Disabled UR2 Duplex Mode Half...
  • Page 37 BIOS SETUP 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.
  • Page 38 BIOS SETUP 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. Standard Printer Port Enhanced Parallel Port Extended Capabilities Port MB890 User’s Manual...

  • Page 39: Power Management Setup

    BIOS SETUP Power Management Setup The Power Management Setup allows you to save energy of your system effectively. Phoenix - AwardBIOS CMOS Setup Utility Power Management Setup ITEM HELP Power-Supply Type Enabled ACPI Function User Define Menu Level > Power Management V/H SYNC+Blank Video Off Method Video Off In Suspend...
  • Page 40 BIOS SETUP 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 video buffer.
  • Page 41 BIOS SETUP 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 and Time.

  • Page 42: Pnp/Pci Configurations

    BIOS SETUP 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 Disabled ITEM HELP Reset Configuration Data Menu Level...

  • Page 43: Pc Health Status

    BIOS SETUP 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 ITEM HELP CPU Warning Temperature 85°C Menu Level > Shutdown Temperature Disabled System Temp.

  • Page 44: Frequency/Voltage Control

    BIOS SETUP Frequency/Voltage Control This section shows the user how to configure the processor frequency. Phoenix - AwardBIOS CMOS Setup Utility Frequency/Voltage Control Disabled ITEM HELP Auto Detect PCI Clk Disabled Menu Level > Spread Spectrum Modulated Auto Detect PCI Clk This field enables or disables the auto detection of the PCI clock.

  • Page 45: Load Fail-Safe Defaults

    BIOS SETUP 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 default values to your system configuration.
  • Page 46 BIOS SETUP This page is intentionally left blank. MB890 User’s Manual...

  • Page 47: Drivers Installation

    DRIVERS INSTALLATION 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, please contact the vendor where you made the purchase.

  • Page 48: Intel Chipset Software Intallation Utility

    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 Finish to restart the computer and for changes to take effect.

  • 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 Graphics Driver. 3.
  • 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...

  • Page 52: Ac97 Codec Audio Driver Installation

    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.

  • Page 53: Intel Pro Lan Drivers Installation

    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.

  • 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. 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...
  • 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\SIL3512\Non-RAID.

  • Page 57: Appendix

    APPENDIX 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 020h - 03Fh...

  • Page 58: Interrupt Request Lines (Irq)

    APPENDIX 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 Serial Port #2...

  • Page 59: Watchdog Timer Configuration

    APPENDIX 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 circumstances, the timer will count to zero and the selected outputs will be driven.
  • Page 60 APPENDIX 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 Enable_And_Set_Watchdog Endp ;[]=============================================== ;...
  • Page 61 APPENDIX ; Name : Unlock_Chip ; IN : None ; OUT : None ;[]=============================================== Unlock_Chip Proc Near Mov dx, 4Eh mov al, 87h out dx, al out dx, al Unlock_Chip Endp ;[]================================================ ; Name : Lock_Chip ; IN : None ;...
  • Page 62 APPENDIX ; 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 Read_Reg Endp ;[]================================================ MB890 User’s Manual...

  • Page 63: Digital I/O Sample Code

    APPENDIX 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 // IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR // PURPOSE.
  • Page 64 APPENDIX 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 MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR // PURPOSE. //===================================================================== #include "W627HF.H"...
  • Page 65 APPENDIX //===================================================================== // 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 FITNESS FOR A PARTICULAR // PURPOSE. //===================================================================== #include <dos.h>...
  • Page 66 APPENDIX This page is intentionally left blank. MB890 User’s Manual...

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