WSB-9152 PICMG 1.0 SBC
Page 20
The Azalia and AC’97 audio controllers are integrated into the ICH6M. The Azalia
controller complies with the Intel High Definition Audio Specification. The AC’97 controller
complies with the AC’97 Specification, Version 2.3. Both the Azalia and AC’97 controllers
are connected to the onboard audio connector. The correct controller is automatically
chosen by the BIOS, according to which audio kit is used.
The optional 5.1 channel audio kit with embedded AC’97 audio codec is capable of
supporting up to 6 audio channels at 48 KHz/20-bit quality. The 7.1 channel audio kit with
embedded High Definition Audio codec is capable of supporting up to 8 audio channels at
192 KHz/32-bit quality. The 7.1 channel audio kit supports dual channel audio allowing
two different audio streams from the same audio kit simultaneously.
2.6.2 Intel
®
ICH6M IDE Interface
The integrated IDE interface on the ICH6M Southbridge supports two IDE hard disks and
ATAPI devices.
Figure 2-11: IDE Interface
PIO IDE transfers up to 16 MB/s and Ultra ATA transfers of 100 MB/s. The integrated IDE
interface is able to support the following IDE HDDs:
Ultra ATA/100, with data transfer rates up to 100 MB/s
Ultra ATA/66, with data transfer rates up to 66 MB/s
Ultra ATA/33, with data transfer rates up to 33 MB/s
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