96
Feature
CODEC
CODEC FIFO
FM Synthesizer
External Audio Inputs
Internal Audio Inputs
Audio Outputs
MIDI/Joystick
ADPCM Audio Compression
Sampling Rate Range
The Crystal CS4237B sound controller is configured entirely through I/O port accesses.
When the system is powered up, the hardware forces the Crystal CS4237B to respond to
default I/O port addresses, interrupt request (IRQ) level, and direct memory access (DMA)
request and acknowledge. The following table shows the default sound controller
configurations and available programmable settings.
Parameter
Base I/O Address / MPU-401
8-bit Playback DMA
8-bit Capture DMA
Base IRQ / MPU IRQ
Hardware Monitoring and Power Management
The InterServe 800 features advanced hardware monitoring and power management
capabilities. These capabilities help to save energy, prolong system life, and provide for
future functionality, such as remote system wakeup. The InterSite Hardware Monitor
software reports the following key voltages and system states through a Graphic User
Interface (GUI) on the system monitor:
u
All major voltages, including processor bus voltage; +5 V; +3.3 V; +12 V; -12 V
u
Processor voltage ID
u
Temperature at two locations (near primary processor and near expansion slots)
u
Low battery voltage alert
See Chapter 2 in the System Setup for details on InterSite Hardware Monitor.
Specification
Delta Sigma-based Windows Sound System
16 Samples
Crystal internal FM synthesis
Microphone (Monaural), Stereo Line-In
Stereo FM Synthesis, Stereo Wave Data, Stereo CD
Stereo Line-Out
MIDI In, MIDI Out, up to 4 fire buttons
4:1, 3:1, and 2:1
5 KHz - 44.1 KHz in 228 selectable steps
Default
220/330
1
3
5/15
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