IEI Integration WAFER-945GSE v1.03 - Manual (Page 39)

WAFER-945GSE 3.5” Motherboard
Page 19
Meets performance requirements for audio on PC99/2001 systems
Meets Microsoft WHQL/WLP 2.0 audio requirements
16-bit Stereo full-duplex CODEC with 48KHz sampling rate
Compliant with AC'97 Rev 2.3 specifications
o Front-Out, Surround-Out, MIC-In and LINE-In Jack Sensing
o 14.318MHz -> 24.576MHz PLL to eliminate crystal
o 12.288MHz BITCLK input
o Integrated PCBEEP generator to save buzzer
o 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 audio
10-band software equalizer