IBASE Technology MB820 Manuel utilisateur
MB820
Socket 478 Pentium®4
Intel®875P Chipset
Industrial Motherboard
USER’S MANUAL
Version 1.1
ii MB820 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 4 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.
MB820 User’s Manual iii
Table of Contents
Introduction.......................................................1
Checklist..............................................................................1
Product Description.............................................................2
Specifications......................................................................3
Board Dimensions...............................................................4
Installations.......................................................5
Installing the CPU...............................................................6
ATX Power Installation ......................................................7
Installing the Memory.........................................................7
Setting the Jumpers .............................................................8
Connectors on MB820 ......................................................13
Watchdog Timer Configuration........................................25
BIOS Setup.......................................................29
Drivers Installation......................................51
Intel 875P Chipset Software Intallation Utility.................52
Realtek AC97 Codec Audio Driver Installation................55
Intel PRO LAN Drivers Installation..................................56
VGA Drivers Installation ..................................................57
iv MB820 User’s Manual
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INTRODUCTION
MB820 User’s Manual 1
Introduction
Checklist
Your MB820 Pentium®4 motherboard package should include the items
listed below:
• The MB820 motherboard
• This User’s Manual
• 1 Backplate
• 2 IDE Cable
• 1 Floppy Cable
• 2 SATA Cable
• 1 Dual-Serial-Port Cable
• 1 CD containing the following:
• Chipset Drivers
• Flash Memory Utility
INSTALLATIONS
2MB820 User’s Manual
Product Description
The MB820 Pentium®4 motherboard incorporates the Intel 875P chipset
that can utilize a single PGA478 processor of up to 3.2GHz or higher
and supports FSB frequency of 400/533/800Mhz (100Mhz, 133Mhz,
and 200Mhz HCLK respectively).
The 875P chipset is designed for use with the Pentium®4 processor with
512-KB L2 cache on 0.13 micron process. The integrated MCH
component provides the CPU interface, DDR interface, AGP interface,
Hub Interface and AGP 8X graphics interface.
Four DDR memory sockets supports DDR 400/333/266 SDRAM
DIMM modules of up to 4GB in capacity. ECC is also supported.
The board also comes optional with either integrated 10/100MB LAN
support or an Intel®82547GI Gigabit LAN controller. Two Serial ATA
connectors offer 1.5 Gigabits/sec data throughput speed - faster than the
most advanced parallel ATA.
Expansion is provided by four PCI slots, two ISA slots and one AGP8X
interface. Other advanced features include six USB 2.0 ports, IrDA
interface, PCI to ISA bridge, digital I/O, four serial ports, watchdog
timer and audio function. Dimensions of the board are 12” by 9.5” in an
ATX form factor.
INTRODUCTION
MB820 User’s Manual 3
Specifications
Product Name MB820
CPU Support Intel®Pentium®4
CPU Voltage 0.8375V~1.6V (VRD 10)
System Speed 2.26G~3.2GHz
CPU Operating
Frequency 533MHz / 800MHz
Green /APM APM1.2
CPU Socket Socket 478
Chipset
Intel®875P Chipset
MCH: 82875P 1005-pin FC-BGA, ICH5: 82801ER
460-pin MBGA, FWH
BIOS Award BIOS; Supports ACPI
Cache 256K (Celeron) / 512K(Pentium®4) Level 2 cache
VGA SMI 712 2D Graphics Controller (PCI interface)
supports CRT display
Embedded 2MB display memory
AGP port AGP 8X interface
LAN ICH5 integrated LAN controller (10/100Mb) + Phy
82562EZ or one Intel®(1) Gigabit LAN controller
82547EI/GI (CSA port)
Audio ICH5built-in Sound controller + AC97 Codec ALC650
(5.1 channel)
Memory type
Four (4) x DDR sockets; supports 2.5V DDR400/333
SDRAM DIMM module (support dual channel); Max.
capacity - 4GB; supports ECC function
LPC I/O Winbond W83627HF: IrDAx1, LPTx1, COM1
(RS-232), COM2 (RS-232/ RS422/RS485), FDC
2.88MB, Hardware monitoring (3 thermal inputs, 8
voltage monitor inputs, VID0-4, 1 chassis open
detection, 3 fan headers)
RTC/CMOS Built in ICH5
Battery Lithium battery
Keyboard Controller Built in Winbond 83627HF
IDE ICH5 built-in, IDE1, IDE2 (Ultra DMA 33/66/100)
Serial ATA connector Two (2) ports
D-type connectors PS/2 mouse, PS/2 keyboard, VGA (CRT), RJ-45,
Sound, USBx6
Power Connector ATX 12V
Expansion Slots 1 AGP slot, 4 PCI slots, 2 ISA slots
PCI to ISA Bridge Winbond W83628F with W83629D
Secondary Super I/O Winbond 83877 (COM3, COM4 RS-232)
USB Six (6) ports on board, USB 2.0 compliant
Digital I/O 4 In, 4 Out
SSD Interface DiskOnChip socket supports up to 512MB capacity
Watchdog Timer Supports 256 segments (0,1,2…255. sec/min)
System Voltages +5V, +12V, -12V, 5VSB, -5V, 3.3V
Board Size 12” x 9.5” (ATX form factor)
Other Features IrDA interface, Modem Wakeup, LAN Wakeup
INSTALLATIONS
4MB820 User’s Manual
Board Dimensions
INSTALLATIONS
MB820 User’s Manual 5
Installations
This section provides information on how to use the jumpers and
connectors on the MB820 in order to set up a workable system. The
topics covered are:
Installing the CPU...............................................................6
ATX Power Installation ......................................................7
Installing the Memory.........................................................7
Setting the Jumpers .............................................................8
Connectors on MB820 ......................................................13
Watchdog Timer Configuration........................................25
INSTALLATIONS
6MB820 User’s Manual
Installing the CPU
The MB820 motherboard supports a Socket 478 processor socket for
Intel®Pentium®4 processors.
The Socket 478 processor socket comes with a lever to secure the
processor. Raise this lever to about a 90°angle to allow the insertion of
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, return the
lever to the lock position. Refer to the figures below.
After you have installed the processor into the socket, check if the
jumpers for the CPU type and speed are correct.
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.
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