3 i/o address map, I/o address map, Come-mbt10 / system resources – Kontron COMe-mBT10 User Manual
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COMe-mBT10 / System Resources
5.3
I/O Address Map
The I/O-port addresses of the are functionally identical to a standard PC/AT. All addresses not mentioned in this table
should be available. We recommend that you do not use I/O addresses below 0100h with additional hardware for
compatibility reasons, even if available.
I/O Address
Usage
0000-000F
DMA-Controller Master (8237)
0020-0021
024-025
028-029
02C-02D
030-031
034-035
038-039
03C-03D
Interrupt-Controller Master (8259)
002E-002F
External SuperI/O
040-043
050-053
Programmable Interrupt Timer (8253)
04E-04F
TPM
060, 064
KBD Interface-Controller (8042)
061, 063, 065, 067
NMI Controller
070-071
RTC CMOS / NMI mask
072-073
RTC Extended CMOS
080-083
Debug port
0A0-0A1
0A4-0A5
0A8-0A9
0AC-0AD
0B0-0B1
0B4-0B5
0B8-0B9
0BC-0BD
Interrupt-Controller Slave (8259)
0B2-0B3
APM control
279
ISA PnP
295-296
External Hardware monitor, optionally used by external SuperIO if present
2E8-2EF
Serial port COM4 (SIO COM2)
2F8-2FF
Serial port COM2 (onboard COM2)
370-377
Floppy disk controller, optionally used by external SuperIO if present (370h to 371h)
378-37F
Parallel port LPT 1, optionally used by external SuperIO if present
3C0-3CF
VGA/EGA
3E8-3EF
Serial port COM3 (SIO COM1)
3F8-3FF
Serial Port COM1 (onboard COM1)
400-4FF
Chipset internal register I/O area
4D0-4D1
Interrupt-Controller (Slave)
500-5FF
Chipset internal register I/O area
A80-A81
Kontron CPLD control port
CF8
PCI configuration address
CF9
Reset control
CFC-CFF
PCI configuration data
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