User`s manual

Appendix B Technical Summary
Prox-B501 USER c 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