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2 intel® ich7-m audio codec ’97 controller – IEI Integration WAFER-945GSE v1.04 User Manual

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WAFER-945GSE 3.5” Motherboard

Page 18

o

Interrupt controller

o

Timer functions

Integrated SATA host controller with DMA operations interfaced to two SATA

connectors on the WAFER-945GSE

Integrated IDE controller supports Ultra ATA 100/66/33

Supports the four USB 2.0 devices on the WAFER-945GSE with four UHCI

controllers and one EHCI controller

Complies with System Management Bus (SMBus) Specification, Version 2.0

Supports Audio Codec ’97 (AC’97) Revision 2.3

Supports Intel® High Definition Audio

Contains Low Pin Count (LPC) interface

Supports Firmware Hub (FWH) interface

Serial peripheral interface support

2.5.2 Intel

®

ICH7-M Audio Codec ’97 Controller

The Integrated AC'97 v2.3 compliant audio controller is integrated to a RealTek ALC655

audio codec. The RealTek ALC655 is in turn connected to onboard audio connectors,

which are then connected to compliant audio devices. The RealTek ALC655 is a 16-bit,

full-duplex AC'97 Rev. 2.3 compatible six-channel audio codec. The codec and the audio

connectors are shown in

715H

Figure 2-10.

Figure 2-10: Audio Codec and Connectors

Some of the features of the RealTek ALC655 are listed below: