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x68000:polyphon_-_fpu_midi_pcm_8mb_memory_board

POLYPHON - FPU, MIDI, PCM, 8MB memory board

The Polyphon board allows using optional FPU, MIDI, acts as a hardware PCM accelerator, with the help of PCM8SB.X driver, and can be used as an 8MB (2x4MB) RAM expansion board.

Dipswitch settings

SW Settings ON OFF
1 Memory address $200000-$3FFFFF Enabled Disabled
2 Memory address $400000-$5FFFFF Enabled Disabled
3 Memory address $600000-$7FFFFF Enabled Disabled
4 Memory address $800000-$9FFFFF Enabled Disabled
5 Memory address $A00000-$BFFFFF Enabled Disabled
6 Math processor I / O address $E9E080-$E9E09F $E9E000-$E9E01F
7 POLYPHON ID $EFF880-$EFF89F $EFF800-$EFF89F
8 Unused

Additional memory settings [0=OFF/1=ON]

Existing memory + 2MB expansion + 4MB expansion + 6MB expansion + 8MB expansion
10MB 0 0 0 0 1 Invalid Invalid Invalid
8MB 0 0 0 1 0 0 0 0 1 1 Invalid Invalid
6MB 0 0 1 0 0 0 0 1 1 0 0 0 1 1 1 Invalid
4MB 0 1 0 0 0 0 1 1 0 0 0 1 1 1 0 0 1 1 1 1
2MB 1 0 0 0 0 1 1 0 0 0 1 1 1 0 0 1 1 1 1 0
SW Nr. 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5
x68000/polyphon_-_fpu_midi_pcm_8mb_memory_board.txt · Last modified: 2019/08/27 20:45 by 127.0.0.1