IBASE Technology MB875 Manuel utilisateur

MB875

Socket 479 Pentium®M with

Intel®852GM Chipset

Custom Motherboard

for 1U Rackmount

USER’S MANUAL

Version 1.0

MB875 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 Microsoft

Corporation.

Winbond is a registered trademark of Winbond Electronics

Corporation.

All other product names or trademarks are properties of their

respective owners.

MB875 User’s Manual iii

Table of Contents

Introduction.......................................................1

Product Description.............................................................1

Checklist..............................................................................2

MB875 Specifications.........................................................3

Board Dimensions...............................................................4

Installations.......................................................5

Installing the CPU...............................................................6

Installing the Memory.........................................................7

Setting 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 PRO LAN Drivers Installation..................................50

SATA Drivers Installation ................................................51

Appendix...........................................................54

A. I/O Port Address Map...................................................54

B. Interrupt Request Lines (IRQ)......................................55

C. Watchdog Timer Configuration....................................56

D. Digital I/O Sample Code..............................................60

The MB875 Motherboard

The MB875 Edge Connectors

MB875 User’s Manual

INTRODUCTION

MB875 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 Intel(R) Pentium(R) M / Celeron(R) M processors of up to

2.0GHz speeds with front size bus of 400MHz. System memory can support

up to 2GB of DDR266 DIMM modules.

The MB875 uses the highly efficient Intel(R) 82541PI Ethernet providing

robust Gigabit networking with enhanced power management and consumes

less than 1.0W of power at Gigabit speeds. It supports intensive 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 platform provides a

number storage interfaces including two IDE ports, two SATA ports, four

USB ports and a CompactFlash socket. One PCI 32-bit/33MHz Golden

Finger and one Mini-PCI slot are available for expansion. Furthermore, it

features status / alarm LED and a factory-default button that can be flexibly

configured to create features for ISVs. The MB875 motherboards are now

available to purchase.

MB875 FEATURES

•Supports Pentium(R) M / Celeron(R) M processors

•Up to 2.0GHz, 400MHz FSB

•DDR DIMM x 2, Max. 2GB

•Integrated VGA for CRT, shared memory

•Integrated four Gigabit Ethernet

•4 x COM, 4 x USB 2.0 ports, 2 x SATA, CF socket

•1 x PCI, 1 x Mini PCI slot, Watchdog timer

INTRODUCTION

MB875 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

INTRODUCTION

MB875 User’s Manual 3

MB875 Specifications

[

CPU Type Micro-FCPGA Intel®Pentium®M processor

System Speed Up to 1.8GHz

CPU Frequency 400 MHz

CPU Socket Socket 479

Chipset 852GM chipset

BIOS Award BIOS; support ACPI function

Cache 1MB Level 2 (CPU integrated)

VGA Intel®82852GM built-in Intel®extreme Graphics 2

64MB shared with system

LAN Intel®82541PI Gigabit LAN controller, LAN1 & LAN2

Bypass

Memory Type Two DDR DIMM socket, supports up to 2GB DDR 266/333

SDRAM

LPC I/O Winbond W83627HG: COM1 (RS-232), COM2 (RS-232),

Hardware monitoring

Fintek 81216: COM3/4 (RS-232)

RTC/CMOS Intel®ICH4 built-in RTC with 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 Connectors DB9 (male) x1 for COM1 (console port)

Dual USB stack connector x1 for USB 0, 1

RJ45 (w/ dual status LED) x 4

GPInput Switch x 1

Power LED x 1 (Green x 1 )

HDD Access LED x 1 (Red x 1 )

GPO LED 1/2 x 2 (Green x 1, Red x 1 )

On Board

Pin-Header /

Connectors

SATA connector x2 for SATA HDD

40 pins, 2.54mm, box-header x1 for IDE1

44 pins, 2.0mm, box-header x1 for IDE2

Compact flash type II socket x1 for CF on IDE2 bus

10 pins, 2.54mm, pin-header x1 for PS/2 KB/mouse

2 pins, 2.54mm, pin-header x 1 for Reset button.

Power Connector ATX power connector

Expansion Slots PCI (33MHz/32-bit) slot x1

Mini PCI x 1

Board size TBD

INTRODUCTION

Board Dimensions

MB875 User’s Manual

INSTALLATIONS

MB875 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

Installing the Memory ........................................................................... 7

Setting the Jumpers................................................................................ 8

Connectors on MB875......................................................................... 13

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 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 slide into the socket, fasten the

screw. Refer to the figures below.

NOTE: Ensure that the CPU heat sink and the CPU top surface are in

total contact to avoid CPU overheating problem that would

cause your system to hang or be unstable.

MB875 User’s Manual

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