ECS Motherboard User Manual page 27

Expansion Slots
• One CNR slot (AC'97 Interface only)
• One 8x AGP slot (supports 1.5V AGP Interface only)
• Five 32-bit PCI slots
Onboard IDE channels
• Two IDE connectors
• Supports four IDE channels
• Supports IDE Ultra DMA bus mastering with transfer rates
of 133/100/66/33 MB/sec
Serial ATA
• Two Serial ATA connectors
• Supports two SATA hard drives
• Ultra DMA 150
AC'97 Codec
• 6-channel and compliant with Intel
Spec, meeting with Microsoft
• Advanced power management and power saving capabili-
ties.
• Stereo Line-in function shared with Surround out.
• High quality pseudo-differential analog CD Audio input.
• S/PDIF Input support: S/PDIF In is featured with interrupt,
auto-lock, anti-noise, and anti-distortion functionalities
support.
• Valuable add-on software technology: Support most industry
standards of PC 3D sound and unique karaoke function
support featured with microphone echo, key shifting, and
vocal cancellation.
Onboard I/O Ports
The motherboard has a full set of I/O ports and connectors:
• Two PS/2 ports for mouse and keyboard
• One serial port
Chapter 1: Introduction
®
AC'97 (REV. 2.3)
®
PC2001 requirements
3