User manual

Fixed I/O Address Ranges
20
PORT ADDRESS FUNCTION
02F8h-02FFh
Serial interface COM2*
0300h-030Fh
Reserved for testing
0310h-031Fh POSboard
0328h-032Fh Serial interface COM6 (w/ POS board)
0376h Hard disk, primary
03C0h-03CFh Graphic system
03D4h-03D5h Graphic system
03DAh Graphic system
03E8h-03EFh Serial interface COM3 (w/ POS board)
03F0h-03F7h FDC primary
03F6h Hard disk, secondary
03F8h-03FFh Serial interface COM1*
04D0h-04D1h Interrupt controller
0CF9h Reset
F80h-FFFh GPIO addressing
1000h-1FFFh 815E chipset addressing