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Sound Controller
The sound controller is the ESS Maestro-2. Integrated onto the system board, the controller
is a complete, fully-featured PC 98 compliant sound implementation. It has the following
specifications:
Feature
Specification
Audio Resolution 16-bit
MIDI/UART Mode
Compatibility
Roland MPU401
Bus Interface PCI
CODEC Audio Codec ‘97
Wavetable WaveCache
External Audio Inputs Microphone (Monaural), Stereo Line-in
Internal Audio Inputs Video In, CD, PC Speaker, Auxiliary Line-in
Audio Outputs Stereo Line-Out
MIDI/Joystick MIDI In, MIDI Out, up to 4 fire buttons
Sampling Rate 48 KHz
The ESS Maestro-2 sound controller is configured entirely through I/O port accesses. When
the system is powered up, the hardware forces the ESS Maestro-2 to respond to default I/O
port addresses, interrupt request (IRQ) level, and direct memory access (DMA) request and
acknowledge.
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