Technical Reference
PC I/O Port Address Map
The following is the list of the I/O port addresses commonly used, which is good for preventing I/O address conflict when configuring C168P.
IO/ Address | Device |
DMA controller 1 | |
interrupt controller | |
Timer | |
Keyboard | |
DMA page register | |
Interrupt controller 2 | |
DMA controller | |
Math coprocessor | |
not usable | |
Fixed disk | |
Game I/O | |
Parallel printer port 2 ( LP2: ) | |
Serial Port 2 ( COM2: ) | |
Prototype card | |
Reserved | |
Parallel printer port 1 ( LP1: ) | |
Monochrome display | |
Reserved | |
Color graphics display | |
Diskette controller | |
Serial port 1 ( COM 1: ) |
C168P User’s Manual