IEI Technology IMBA-9454ISA, User Manual

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IMBA-9454ISA ATX Motherboard
Page 19
Integrated IDE controller supports Ultra ATA 100/66/33
Supports eight USB 2.0 devices 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 (SPI) for Serial and Shared Flash
1.05 V Core Voltage
Intel® High Definition Audio Interface
Intel® Active Management Technology
Intel® Quick Resume Technology Support
2.5.2 Intel
®
ICH7 Audio Codec ’97 Controller
NOTE:
The onboard audio connector and the audio jacks cannot be used
concurrently. If the audio jacks are being used, the jumper headers
inserted on the onboard audio connector must remain in place. If the
onboard audio connector is used, the jumper headers must be
removed and the audio jack functions are disabled.
The Audio Codec ’97 (AC’97) controller integrated into the ICH7 complies with AC’97
Component Specification, Version 2.3. The AC’97 controller is interfaced to a RealTek
ALC655 AC’97 codec which is in turn connected to the following audio connectors:
CD-In connector (pin header)
Audio connector (pin header)
Auxiliary audio connector (pin header)
SPDIF connector (pin header)
Surround sound speaker connector (pin header)