Timer & dma channels map – PSB Speakers PSB-1688LF M1 User Manual
Page 89

Appendix B Technical Summary
PSB-1688LF USER
′
S MANUAL
Page: B-5
TIMER & DMA CHANNELS MAP
Timer Channel Map :
Timer Channel
Assignment
0
System timer interrupt
1
DRAM Refresh request
2
Speaker tone generator
DMA Channel Map :
DMA Channel
Assignment
0 Available
1 Available
2 Floppy
3 Available
4 Cascade
5 Available
6 Available
7 Available
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