Planar C3013T, C3012T user manual DMAs, Address List, Address Device

DMAs

PCS PC-compatible DMA channels:
DMA0	8-bit	IEEE1284 ECP port or Sound Blaster
DMA1	8-bit	IEEE1284 ECP port (BIOS Setup) or Sound Blaster
DMA2	8-bit	Floppy Disk Controller
DMA3	8-bit	Sound Blaster
DMA4		DMA0–DMA3 cascade
DMA5	16-bit	unassigned
DMA6	16-bit	unassigned
DMA7	16-bit	unassigned

I/O Address List

Never attempt to access an I/O address for which no device exists.

I/O Address	Device
0000 to 000F	DMA controller
0020 to 0021	Interrupt controller
0040 to 0043	System timer
0060 to 0064	Keyboard controller, NMI status and control is at 0061
0070 to 0071	Real-time clock, NMI mask
0080 to 008F	DMA bank register
0094 to 009F	VGA controller
00A0 to 00A1	Interrupt controller
00B2 to 00B3	Power Management
00C0 to 00DE	DMA controller 2
00F0 to 00FF	Coprocessor
0102 to 010F	VGA controller
0220 to 022F	Sound generator
02E8 to 02EE	Serial port COM4
02F8 to 02FE	Serial port COM2
0378 to 037F	Parallel port
0388 to 038B	Sound generator
0398 to 0399	Super I/O #1
03B4 to 03DA	VGA controller
03E8 to 03EE	Serial port COM3
03F0 to 03F7	Floppy disk controller
03F8 to 03FE	Serial port COM1
0CF8 to 0CFF	PCI bus controller
46E8 to 46E9	VGA controller

Appendix B: Programming Interface 35