Planar C3215 User Manual
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 1
0020 to 0021
Interrupt controller 1
002E
Super I/O #2
002F
Configuration
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 0087
DMA controller 1
0088 to 008F
DMA controller 2
00A0 to 00A1
Interrupt controller 2
00B2 to 00B3
Power management
00C0 to 00DE
DMA controller 2
00F0 to 00FF
Coprocessor
015C
Super I/O #1
015D
Configuration
01F0 to 01F7
Primary IDE
02E8 to 02EF
Serial port COM4
02F8 to 02FF
Serial port COM2
03B4 to 03DA
VGA controller
03E8 to 03EF
Serial port COM3
03F0 to 03F3
Floppy disk controller
03F4 to 03F6
Primary IDE
03F7
Floppy disk controller
03F8 to 03FF
Serial port COM1
04D0 to 04D1
Interrupt controller
0CF8 to 0CFF
PCI configuration
Note: Other I/O resources such as USB, Bus Master IDE, Ethernet, Cardbus, PM registers, and
SM registers are dynamically configured at power on reset (POST).
SM registers are dynamically configured at power on reset (POST).
Appendix B: Programming Interface
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CS II Manual LAYOUT#2304 3/25/99 11:16 AM Page 35