Longshine GFT150 Ver.2.0 User Manual
Page 64

64
A.
I/O Port Address Map
Each peripheral device in the system is assigned a set of I/O port address which also
becomes the identity of the device. There are a total 1K port address space available.
The following table lists the I/O port addresses used on the Industrial CPU Card .
Address
Device Description
000h-00Fh
DMA Controller
020h-021h
INT Controller
040h-043h
System Timer
060h-060h
Keyboard Controller
061h-061h
System Speaker
064h-064h
Keyboard Controller
070h-071h
System CMOS / Real time clock
081h-083h
DMA Controller
087h-087h
DMA Controller
089h-08Bh
DMA Controller
08Fh-08Fh
DMA Controller
0A0h-0A1h
INT Controller
0F0h-0FFh
Numeric data processor
170h-177h
Secondary IDE Channel
1F0h-1F7h
Primary IDE Channel
274h-277h
ISAPNP Read data Port
279h-279h
ISAPNP Read data Port
2E0h-2E7h
Serial Port#6 (COM6)
2E8h-2EFh
Serial Port#4 (COM4)
2F0h-2F7h
Serial Port#5 (COM5)
2F8h-2FFh
Serial Port#2 (COM2)
376h-376h
Secondary IDE Channel
378h-37Fh
Printer Port#1 (LPT1)
3B0h-3DFh
VGA Controller
3E8h-3EFh
Serial Port#3 (COM3)
3F6h-3F6h
Primary IDE Channel
3F8h-3FFh
Serial Port#1 (COM1)