
Appendix B Technical Summary
TIMER & DMA CHANNELS MAP
Timer Channel Map :
| Timer Channel | Assignment | 
0System timer interrupt
1DRAM Refresh request
2Speaker tone generator
DMA Channel Map :
| DMA Channel | Assignment | 
| 0 | Available | 
| 1 | Available | 
| 2 | Floppy | 
| 3 | Available | 
| 4 | Cascade | 
| 5 | Available | 
| 6 | Available | 
| 7 | Available | 
| Page:  |