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M o t h e r b o a r d
Hardware monitor
The hardware monitor subsystem provides low-cost instrumentation
capabilities. The features of the hardware monitor subsystem
include:
When suggested ratings for temperature, fan speed, or voltage are
exceeded, an interrupt is activated. The hardware monitor
component connects to the system management (SM) bus.
Audio subsystem (Optional)
The optional audio subsystem consists of the following:
Crystal Semiconductor CS4235 audio codec
The CS4235 audio codec's features include:
Audio connectors
The audio connectors include the following:
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Support for chassis intrusion (a switch is fitted to the NLX
riser, which can be reported to appropriate software).
An integrated ambient temperature sensor
Speed sensors that monitor the fan speed
Power supply voltage monitoring to detect levels above or
below acceptable values
Crystal Semiconductor CS4235 audio codec
Back panel and onboard audio connectors
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
Back panel connectors: stereo line-level output (Line Out),
stereo line-level input (Line In), and Mic In
CD-ROM audio connector (2 mm)
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