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WXB Hot-Plug
8-16 Intel® 460GX Chipset Software Developer’s Manual
Bits Description
31:30 reserved (0)
29 Slot F PRSNT(0)#, PCI Present Signal 1
28 Slot E PRSNT(0)#, PCI Present Signal 1
27 Slot D PRSNT(0)#, PCI Present Signal 1
26 Slot C PRSNT(0)#, PCI Present Signal 1
25 Slot B PRSNT(0)#, PCI Present Signal 1
24 Slot A PRSNT(0)#, PCI Present Signal 1
23:22 reserved (0)
21 Slot F PRSNT(1)#, PCI Present Signal 2
20 Slot E PRSNT(1)#, PCI Present Signal 2
19 Slot D PRSNT(1)#, PCI Present Signal 2
18 Slot C PRSNT(1)#, PCI Present Signal 2
17 Slot B PRSNT(1)#, PCI Present Signal 2
16 Slot A PRSNT(1)#, PCI Present Signal 2
15:14 reserved (0)
13 Slot F FAULT#, PCI Power Fault Signal
12 Slot E FAULT#, PCI Power Fault Signal
11 Slot D FAULT#, PCI Power Fault Signal
10 Slot C FAULT#, PCI Power Fault Signal
9 Slot B FAULT#, PCI Power Fault Signal
8 Slot A FAULT#, PCI Power Fault Signal
7:6 reserved(0)
5 Slot F Hot-Plug Switch, 0 = lever closed (board installed)
4 Slot E Hot-Plug Switch, 0 = lever closed (board installed)
3 Slot D Hot-Plug Switch, 0 = lever closed (board installed)
2 Slot C Hot-Plug Switch, 0 = lever closed (board installed)
1 Slot B Hot-Plug Switch, 0 = lever closed (board installed)
0 Slot A Hot-Plug Switch, 0 = lever closed (board installed)
8.2.7 Serial Input Byte Data
Address Offset: 10h Size: 8 bits
Default Value: 00h Attribute: Read-Only (Pwr Good Rst Only)
After the Serial Input Busy Status is read as a logic zero, the requested byte will be in the Serial
Input Data Register. The contents will be a copy of the corresponding byte in the Interrupting Input
and Clear Register (least significant) or Non-Interrupting Inputs Register (most significant).
Bits
Description
7:0 Serial Input Data Register. RO