User`s guide

Motherboard User’s Guide

Note: P4M890 chipset can only support mixed 2048/1024/512/256/128/

64Mb x8/16 DDR2 SDRAMs.

• Supports 16-bit 66 MHz Ultra V-Link Host interface with total

bandwidth of 1066 MB/s

• Compliant with PCI 2.2 specification at 33 MHz, supporting up to 6

PCI masters

• Integrated Serial ATA Host Controllers, supporting data transfer rates up

to 1.5 Gb/s

• Integrated Dual channel UltraDMA 133/100/66 Master Mode EIDE

Controller

• USB 2.0 Controller, supporting up to 8 USB 2.0 ports

• Network Controller, supporting enterprise class 100/10 Mb Fast

Ethernet MAC

• Integrated keyboard Controller with PS2 mouse support

Memory Support

• Two 240-pin DIMM sockets for DDR2 SDRAM memory modules

• Support DDR2 533 DDR2 SDRAM with Maximum memory size of 4

GB.

Expansion Slots

• Three 32-bit PCI slots

• One PCI Express x16 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 (~1.5 Gb/s) with scalability to higher

rates

• Low pin count for both host and devices

AC’97 Audio Codec

• Compliant with AC’97 v2.3 CODEC

• Supports 6-channel audio CODEC designed for PC multimedia systems

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

Line-in,CD, AUX

• Meets Microsoft WHQL/WLP 2.0 audio requirements