SiS 645 Pentium4 ATX Mainboard

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Intel Socket 478 Pentium4 400MHz FSB(100MHz x 4 Quad-Pump)

SiS 645 (A2)

DDR333, DDR266, DDR200 RAM

6 PCI Slot, AGP 4X Slot, ATX 2.03

SPECIFICATION

Processor

Socket478 for Pentium4 Processors.

Support 400MHz Front Side Bus.

CPU Voltage Autodetect Circuit.

Hardware Monitor CPU Overheat Protect System.

On-Board 2 x Ultra DMA 33/66/100 IDE Ports.

Support Suspend-to-RAM Function(STR).

Modem Ring Power-on Function.

Chipset

SiS S645 North Bridge.

SiS 961 South Bridge.

ITE 8705F Chip.

Avdance AC'97 codec.

Memory

Support DDR333 (PC2700) x2, DDR266 (PC2100) x3, DDR200 (PC1600) x3.

184pin DIMM sockets x 3.

64MB to 2GB (PC1600 / PC2100 / PC2700 DDR).

Expansion slot

PCI x 6 (Rev 2.2).

AGP x 1 (Rev 2.0) support 1x,2x,4x mode.

Sound controller

Onboard Advance AC'97 digital audio controller.

Sound blaster hardware and direct sound ready.

1 x joystick, 1 x Line-in, 1 x Line-Out, 1 x MIC, 1 x CD audio-IN port.

I/O Ports

2 x UltraDMA 33/66/100 Master mode PCI EIDE ports.

2 x IDE RAID Controller Support RAID 0 or RAID 1.

1 x FDD (Support 1.2/1.44/2.88 MB for 3.5 inches FDD and 360KB/1.2MB for 5 inches FDD).

2 x COM (UART 16C550 compatible).

1 x LPT (SPP/ECP/EPP supported).

PS/2 Keyboard, PS/2 Mouse onboard.

4 x USB ports (USB 1.1 and Intel Universal HCI v1.1 compatible).

IrDA connector ready.

Power

ATX power connector.

Power-on by Modem.

Power-off by switch, Windows 9x/2000 shut down.

Suspend / wake-on by ACPI and APM device,

Support ACPI Suspend to RAM

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From Factor

ATX from factor, 4 layers PCB.

Size ATX 30.5CM(H) x 24.4CM(W).

Hardware Monitor

Programmable control, status, monitor and alarm for flexible desktop management (software include).

Two temperature monitoring.

Three fan speed monitoring,

BIOS

2Mbit flash RAM.

AMI BIOS.

CPU Anti-Burn Shield.

IDE#1-#4, SCSI, LS-120, ZIP and CD-ROM bootable.

Support Plug & Play V1.0, enhanced ACPI feature.

Flash memory for easy upgrade.

Support BIOS writing protection.