IEI Integration IMBA-9454 v4.02 - Manual (Page 36)

IMBA-9454G Motherboard
Page 18
 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
 Serial Peripheral Interface (SPI) for Serial and Shared Flash
 1.05 V Core Voltage
2.6.2 Realtek ALC655 Audio Codec ’97 Controller
The ALC655 complies with AC’97 Component Specification, Version 2.3. The ALC655
controller supports up to six PCM audio output channels. Complete surround sound
requires six-channel audio consisting of:
 Front left
 Front right
 Back left
 Back right
 Center
 Subwoofer
2.6.3 Intel
®
ICH7 IDE Interface
The integrated IDE interface on the ICH7 southbridge supports two IDE hard disks and
ATAPI devices, PIO IDE transfers up to 16MB/s and Ultra ATA transfers of 100MB/s. The
integrated IDE interface is able to support the following IDE HDDs:
 Ultra ATA/100, with data transfer rates up to 100MB/s
 Ultra ATA/66, with data transfer rates up to 66MB/s
 Ultra ATA/33, with data transfer rates up to 33MB/s
Table 2-5 shows the supported HDD specifications.
Specification Ultra ATA/100 Ultra ATA/66 Ultra ATA/33
IDE devices 2 2 2
PIO Mode 0 – 4 0 – 4 0 – 4