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MB820
Socket 478 Intel® 875P ATX Motherboard with SMI 712 VGA and 10/100 LAN or Gigabit LAN
Features Specifications Ordering Info User's Manual

Features
Supports Intel® Pentium® 4 Processor, up to 3.2GHz processor speed
Intel® 875P chipset with 533Mhz/800MHz FSB
SMI SM712, 4MB VGA for CRT display
Four DDR sockets supports up to 4 GB
ICH5R 10/100 LAN or IntelR Gigabit LAN support
AGP 8x slot, 4 PCI, 2 ISA slots, DOC socket
Two SATA ports, Six USB 2.0 ports
PCI to ISA bridge, Digital I/O, Watchdog timer
Specifications
General Functions
CPU Socket Socket 478
CPU Intel® Pentium® 4 processor supporting Hyper-Threading Technology 2.26GHz~3.2GHz
CPU Front Side Bus

66MHz / 100MHz

Chipset

Intel® 875P chipset

Processor Side Bus Frequency 533MHz/800MHz
L2 Cache

256K (Intel® Celeron® processor) / 512K (Intel® Pentium® 4 processor) Level 2 cache

BIOS

Award BIOS, ACPI supported

System Memory

Four DDR sockets, supports 2.5V DDR400/333 (support
dual channel) up to 4GB, supports ECC function

VGA

SMI 712, embedded 2MB display memory

Primary LAN

ICH5R integrated LAN controller (10/100Mb)
or Intel® 82547GI (10/100/1000Mb) Gigabit LAN

Audio

ICH5R built-in Sound controller + AC97 Codec ALC650
(5.1 channel)

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)

Secondary Super I/O Winbond W83877 (COM3/RS232, COM4/RS-232)
IDE Interface

ICH5R built-in, IDE1, IDE2 (Ultra DMA 33/66/100), PIO mode
4 and bus master

Serial ATA

Two SATA ports, supports RAID0 or RAID1

Watchdog Timer

Generates system reset; 256 levels

Solid State Disk Interface

DiskOnChip socket supports up to 512MB capacity

USB

6 ports on board, USB 2.0 compliant

IrDA

Pin header

Digital I/O

4 in / 4 out

Expansion Slots

1 AGP, 4 PCI, 2 ISA

Mouse Connector

PS/2 type

Keyboard Connector

PS/2 type

PCI to ISA Bridge Winbond 83628, Winbond 83629
Power Connector ATX 12V power connector
Form Factor

ATX motherboard

Dimensions

305mm x 244mm (12" x 9.6")

Power Requirement

Intel® Pentium® 4 processor 2.4GHz/800 (512KB) with 2GB DDR memory
+5V: 1.43A; +12V: 6.73A
Intel® Pentium® 4 processor 3.06GHz-HT/533 (512KB) with 2GB DDR memory
+5V: 1.49A; +12V: 10.45A

Operating Temperature

0XC~60XC (32XF~140XF)

Storage Temperature

-20XC~80XC (-68XF~176XF)

Relative Humidity

10%~90% (non-condensing)

Ordering Info
MB820F Socket 478 Intel® 875P ATX Motherboard with VGA, Gigabit LAN
MB820 Socket 478 Intel® 875P ATX Motherboard with VGA, integrated 10/100 LAN
 

 

 


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