Installation guide

WAFER-945GSE 3.5” Motherboard
Page 18
o Interrupt controller
o Timer functions
Integrated SATA host controller with DMA operations interfaced to four 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
715HFigure 2-10.
Figure 2-10: Audio Codec and Connectors
Some of the features of the RealTek ALC655 are listed below: