DMA Channels
0
Sound Record* (unmarked models*)
Free ("900 B" models)
1
Sound playback
2
Floppy drive
3
LPT1 (ECP parallel port)
4
Cascade
5
Free
6
Free
7
Free
*
Unmarked models have no "900" after the serial number, "900 B" models have
"900 B" after the serial number.
Specifications and Regulatory Information
Software System Resources
Reference Guide
133