C-3
I/O Port Address
The factory-set I/O port addresses for the server are assigned as follows:
Addresses Description Chip
00-08h DMA Control Registers ICH5
09-0Eh RESERVED ICH5
0Fh DMA Control Register ICH5
10-18h DMA Control Register ICH5
19-1Eh RESERVED ICH5
1Fh DMA Control Register ICH5
20-21h Master 8259 Programming Interface ICH5
24-25h Master 8259 Programming Interface ICH5
28-29h Master 8259 Programming Interface ICH5
2C-2Dh Master 8259 Programming Interface ICH5
2E-2Fh Configuration Registers PC87417
30-31h Master 8259 Programming Interface ICH5
34-35h Master 8259 Programming Interface ICH5
38-39h Master 8259 Programming Interface ICH5
3C-3Dh Master 8259 Programming Interface ICH5
40-42h 8254 Programming Interface ICH5
43h RESERVED ICH5
4E-4Fh Configuration Registers PC87417
50-52h 8254 Programming Interface ICH5
53h RESERVED ICH5
60h Keyboard/Mouse PC87417
61h NMI Status Register ICH5
62h PC87417
63h NMI Status Register ICH5
64h Keyboard/Mouse PC87417
65h NMI Status Register ICH5
66h PC87417
67h NMI Status Register ICH5
70h RESERVED ICH5
71h RTC (data) ICH5
72h RTC (data) ICH5
73h RTC (data) ICH5
74h RTC (data) ICH5
75h RTC (data) ICH5
76h RTC (data) ICH5
77h RTC (data) ICH5
80-91h 16-bit DMA Control Registers ICH5
92h Port 92 Register ICH5
93-9Fh DMA Control Register ICH5
A0-A1h Slave 8259 Programming Interface ICH5
A4-A5h Slave 8259 Programming Interface ICH5
A8-A9h Slave 8259 Programming Interface ICH5
AC-ADh Slave 8259 Programming Interface ICH5
B0-B1h Slave 8259 Programming Interface ICH5
B2-B3h Power Management ICH5
B4-B5h Slave 8259 Programming Interface ICH5
B8-B9h Slave 8259 Programming Interface ICH5
BC-BDh Slave 8259 Programming Interface ICH5
C0-D1h DMA Controller Page Registers ICH5
C2-DDh RESERVED ICH5
DE-DFh DMA Controller Page Registers ICH5
F0h Reset IRQ13 ICH5
102h VGA Radeon7000M
170h-177h Secondary IDE Command Block Registers ICH5
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