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Intel® 460GX Chipset Software Developer’s Manual 8-11
WXB Hot-Plug
Table 8-2. IHPC Memor Mapped Register Space
Hot-Plug Miscellaneous
(RW)
Slot Enable
(RW)
00h 80h
LED Control (RW)
04h 84h
Hot-Plug Interrupt Input and Clear (RW)
08h 88h
Present 1
bits
Present 2
bits
Power
Faults
Switches
Hot-Plug Interrupt Mask(RW)
0Ch 8Ch
Present 1
mask
Present 2
mask
Power
Fault mask
Switch
Mask
User-
Defined
Outputs
(RW)
Reserved Serial Input
Byte
Pointer
(RW)
Serial Input
Data (RO)
10h 90h
Hot-Plug Non-Interrupt Inputs (RW)
14h 94h
Reserved Reserved Reserved M66EN
18h 98h
1Ch 9Ch
20h A0h
Reserved
24h A4h
Slot ID
(RW)
28h A8h
Slot Power
(RW)
Switch Int.
Redirect
Enable
(RW)
2Ch ACh
Extended Hot-Plug Misc.
(RW)
30h B0h
34h B4h
38h B8h
3Ch BCh
40h C0h
44h C4h
48h C8h
4Ch CCh
50h D0h
54h D4h
58h D8h
5Ch DCh
60h E0h
64h E4h
68h E8h
6Ch ECh
70h F0h
74h F4h
78h F8h
7Ch FCh
NOTE: The first 64 bytes are predefined in the PCI specification. All other locations are defined specifically for the
component of interest.