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Software • BIOS options
Automation PC 820 User's Manual V 1.00
1.12.2 I/O address assignment
I/O address
Resource
0000h - 00FFh
Motherboard resources
0170h - 0177h
Secondary IDE channel
01F0h - 01F7h
Primary IDE channel
0278h - 027Fh
Hardware Security Key (LPT2)
02F8h - 02FFh
COM2
0376h - 0376h
Secondary IDE channel command port
0377h - 0377h
Secondary IDE channel status port
0378h - 037Fh
Hardware Security Key (LPT1)
03B0h - 03DFh
Video system
03E8h - 03EFh
COM3
03F6h - 03F6h
Primary IDE channel command port
03F7h - 03F7h
Primary IDE channel status port
03F8h - 03FFh
COM1
0480h - 04BFh
Motherboard resources
04D0h - 04D1h
Motherboard resources
0800h - 087Fh
Motherboard resources
0CF8h - 0CFBh
PCI config address register
0CFCh - 0CFFh
PCI config data register
0D00h - FFFFh
PCI / PCI Express bus
1)
1) The BIOS assigns the PCI and PCI Express Bus I/O resources from FFF0h downward. Devices that are not compatible with
PnP/PCI/PCI Express cannot use the I/O resources in this area.
4100h - 417Fh
MTCX
FF00h - FF07h
IDE bus master register
Table 111: I/O address assignment
Summary of Contents for Automation PC 820
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