User`s guide

Motherboard User’s Guide

• AGP v3.0 compliant 8X / 4X transfer modes with Fast Write support

• Supports DDR400 / 333 / 266 memory types with 2.5V SSTL-2

DRAM interface

• Supports 66 MHz, 4X and 8X transfer modes, V-Link interface with

533 MB/sec total bandwidth

• ACPI 2.0 and PCI Bus Power Management 1.1 compliant

• Graphics engine clocks up to 133 MHz decoupled from memory clock

• PCI to system memory data streaming up to 132Mbyte/sec (data sent to

north bridge via high speed Ultra V-Link interface)

• PCI-2.2 compliant, 32-bit 3.3V PCI interface with 5V tolerant inputs

• Support three PCI slots of arbitration and decoding for all integrated

functions and LPC bus.

• Dual Channel Serial ATA/RAID Controller—Complies with Serial ATA

Specification Revision 1.0

Memory Support

• Two 184-pin DIMM sockets for DDR SDRAM memory modules

• Supports DDR400/333/266 memory bus

• Maximum installed memory is 2GB

Expansion Slots

• Three 32-bit PCI slots

• One 8X AGP slot

• One CNR slot

Onboard IDE channels

• Supports PIO (Programmable Input/Output) and DMA (Direct Memory

Access) modes

• Supports IDE Ultra DMA bus mastering with transfer rates of 133/100/

66 MB/sec

Serial ATA

• Two Serial ATA Connectors

• Transfer rate exceeding best ATA (~150 MB/s) with scalability to higher

rates

• Low pin count for both host and devices

AC’97 Audio Codec

• Compliant with AC’97(Rev 2.3) CODEC.

• Front-Out,Surround-Out,MIC-In and Line-In Jack Sensing

• Three analog line-level stereo inputs with 5-bit volume control:

LINE_IN,CD,AUX

• Two analog line-level mono input

• 48-pins LQFP.

• Built-in earphone buffer and internal PLL.