IEI Technology IMBA-9454ISA, User Manual

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IMBA-9454ISA ATX Motherboard
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Integrated PCBEEP generator to save buzzer
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Interrupt capability
Three analog line-level stereo inputs with 5-bit volume control, LINE_IN, CD,
AUX
High-quality differential CD input
Two analog line-level mono inputs: PCBEEP, PHONE-IN
Two software selectable MIC inputs
Dedicated Front-MIC input for front panel applications (software selectable)
Boost preamplifier for MIC input
LINE input shared with surround output; MIC input shared with Center and
LFE output
Built-in 50mW/20ohm amplifier for both Front-out and Surround-Out
External Amplifier Power Down (EAPD) capability
Power management and enhanced power saving features
Supports Power-Off CD function
Adjustable VREFOUT control
Supports 48KHz S/PDIF output, complying with AC'97 Rev 2.3 specifications
Supports 32K/44.1K/48KHz S/PDIF input
Power support: Digital: 3.3V; Analog: 3.3V/5V
Standard 48-pin LQFP package
EAX™ 1.0 & 2.0 compatible
Direct Sound 3D™ compatible
A3D™ compatible
I3DL2 compatible
HRTF 3D positional audio10-band software equalizer
2.5.3 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