PSB Speakers PSB-1688LF M1 - 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