Dmas; I/O Address List - Planar Clean Screen C3012T User Manual

DMAs

PCS PC-compatible DMA channels:
DMA0
DMA1
DMA2
DMA3
DMA4
DMA5
DMA6
DMA7

I/O Address List

Never attempt to access an I/O address for which no device exists.
I/O Address
0000 to 000F
0020 to 0021
0040 to 0043
0060 to 0064
0070 to 0071
0080 to 008F
0094 to 009F
00A0 to 00A1
00B2 to 00B3
00C0 to 00DE
00F0 to 00FF
0102 to 010F
0220 to 022F
02E8 to 02EE
02F8 to 02FE
0378 to 037F
0388 to 038B
0398 to 0399
03B4 to 03DA
03E8 to 03EE
03F0 to 03F7
03F8 to 03FE
0CF8 to 0CFF
46E8 to 46E9
8-bit IEEE1284 ECP port or Sound Blaster
8-bit IEEE1284 ECP port (BIOS Setup) or Sound Blaster
8-bit Floppy Disk Controller
8-bit Sound Blaster
DMA0–DMA3 cascade
16-bit unassigned
16-bit unassigned
16-bit unassigned
Device
DMA controller
Interrupt controller
System timer
Keyboard controller, NMI status and control is at 0061
Real-time clock, NMI mask
DMA bank register
VGA controller
Interrupt controller
Power Management
DMA controller 2
Coprocessor
VGA controller
Sound generator
Serial port COM4
Serial port COM2
Parallel port
Sound generator
Super I/O #1
VGA controller
Serial port COM3
Floppy disk controller
Serial port COM1
PCI bus controller
VGA controller
Appendix B: Programming Interface
35