Motherboard Features
16
Crystal Semiconductor CS4236B Audio Codec
The CS4236B audio codec’s features include:
• Compatibility with Sound Blaster†, Sound Blaster Pro†, and Windows Sound System
• MPU-401 compatible MIDI and joystick interfaces
• Advanced MPC3-compliant input and output mixer
Crystal Semiconductor CS4611 PCI Audio Accelerator
The CS4611’s PCI bus interface enables burst mode transfers of audio data between the system
bus and the device’s internal DMA engine and stream processor. Other features include:
• A RAM-based Digital Signal Processor optimized for digital audio processing
• A bus mastering PCI bus interface that complies with PCI Local Bus Specification,
Revision 2.1
• Acceleration of DirectSound†, DirectSound3D†, DirectInput†, and ActiveMovie† APIs
• General MIDI Wavetable Synthesis with Reverb and Chorus
Audio Connectors
The audio connectors include the following:
• Back panel connectors: stereo line-level output (Line Out), stereo line-level input (Line In),
and Mic In
• CD audio header (black)
• Telephony (green)
• Stereo Line In (natural/white)
See Chapter 5 for the location and pinouts of the audio connectors.
Speaker (Optional)A piezoelectric speaker is mounted on the motherboard. The speaker provides audible error code
(beep code) information during the POST.
The motherboard also has a front panel connector for an offboard speaker.