Dma Channels - Mitsubishi Electric Apricot LS700 Owner's Handbook Manual

DMA Channels

DMA Data Width
0 8- or 16-bits
1 8- or 16-bits
2 8- or 16-bits
3 8- or 16-bits
4 16-bits
5 16-bits
6 16-bits
7 16-bits
Interrupts
IRQ System Resource
NMI I/O channel check
0 Reserved, interval timer
1 Reserved, keyboard buffer full
2 Reserved, cascade interrupt from slave PIC
3 Serial Port 2
4 Serial Port 1
5 Parallel Port 2
6 Floppy drive
7 Parallel Port 1
8 Real-time clock
9 User available
10 User available
11 Audio if present, else user available
12 Onboard mouse port if present, else user available
13 Reserved, math coprocessor
14 Primary IDE if present, else user available
15 Secondary IDE if present, else user available
S y s t e m m o t h e r b o a r d
System Resource
Audio if present, else parallel port
Audio if present, else available
Floppy drive
Audio if present, else parallel port (for ECP/EPP
configuration)
Reserved - Cascade Channel
Available
Available
Available
LS700 HANDBOOK 3/21