Audio Subsystem
The crystal audio subsystem provides | stereo | audio with | ||||||||||||||
FM | music | synthesis using | four | operators | per | voice. It | ||||||||||
can record, compress, and play back | voice, | sound, | and | music | with | |||||||||||
mixer controls. It | consists | of an | embedded | microprocessor, | ||||||||||||
stereo, | FM | music | synthesizer | (or | 18 | simultaneous | ||||||||||
| serial | port | compatible | MPU401 | UART | mode, | ||||||||||
DMA | control, | and | ISA | bus | interface | logic. |
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The AudioDrive provides the computer with the following audio |
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Ÿ | audio |
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| audio) |
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Ÿ | General | MIDI compatible, | wave | table | synthesizer |
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ŸSound Blaster support
MIDI Port Function
The MIDI port I/O address is as follows (only when docked to the docking station):
I/O Address
Sound Blaster Support Function
The Sound Blaster support function provides three system settings: I/O address, IRQ level, and DMA channel.
I/O Address |
| IRQ Level |
| DMA | Channel |
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(default) | IRQ | 5 | (default)DMA | 0 |
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| IRQ | 7 | DMA | 1 (default) |
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(FM synthesizer) | IRQ | 10 |
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| IRQ | 11 |
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Subsystems