Lenovo ThinkPad 600E Technical Reference Manual for the ThinkPad 600 - Page 63
Modem Subsystem, ThinkPad Modem, MIDI Port Function, Sound Blaster Support Function, IRQ level
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Modem Subsystem The modem subsystem is composed of a digital signal processor (DSP) and a data access arrangement (DAA): General MIDI-compatible, 40-voice wave table synthesizer 33.6-kbps data/fax modem Full-feature telephone Answering machine Headphone-free, full-duplex speaker phone ThinkPad Modem The modem subsystem provides three system settings: I/O address, IRQ level, and DMA channel. I/O Address 0130-013F (default) 0350-035F 0770-077F 0DB0-0DBF IRQ Level IRQ 3 IRQ 4 IRQ 5 IRQ 7 IRQ 10 (default) IRQ 11 IRQ 15 DMA Channel DMA 0 DMA 1 DMA 6 DMA 7 (default) MIDI Port Function The MIDI port function provides one system setting: I/O Address 0300-0303 0310-0313 0320-0323 0330-0333 (default) Sound Blaster Support Function The Sound Blaster support function provides three system settings: I/O address, IRQ level, and DMA channel. Subsystems 3-5