Serial Input Byte Data - Intel 460GX Software Developer’s Manual

WXB Hot-Plug
Bits
31:30
29
28
27
26
25
24
23:22
21
20
19
18
17
16
15:14
13
12
11
10
9
8
7:6
5
4
3
2
1
0
8.2.7

Serial Input Byte Data

Address Offset:
Default Value:
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
7:0
8-16
Description
reserved (0)
Slot F PRSNT(0)#, PCI Present Signal 1
Slot E PRSNT(0)#, PCI Present Signal 1
Slot D PRSNT(0)#, PCI Present Signal 1
Slot C PRSNT(0)#, PCI Present Signal 1
Slot B PRSNT(0)#, PCI Present Signal 1
Slot A PRSNT(0)#, PCI Present Signal 1
reserved (0)
Slot F PRSNT(1)#, PCI Present Signal 2
Slot E PRSNT(1)#, PCI Present Signal 2
Slot D PRSNT(1)#, PCI Present Signal 2
Slot C PRSNT(1)#, PCI Present Signal 2
Slot B PRSNT(1)#, PCI Present Signal 2
Slot A PRSNT(1)#, PCI Present Signal 2
reserved (0)
Slot F FAULT#, PCI Power Fault Signal
Slot E FAULT#, PCI Power Fault Signal
Slot D FAULT#, PCI Power Fault Signal
Slot C FAULT#, PCI Power Fault Signal
Slot B FAULT#, PCI Power Fault Signal
Slot A FAULT#, PCI Power Fault Signal
reserved(0)
Slot F Hot-Plug Switch, 0 = lever closed (board installed)
Slot E Hot-Plug Switch, 0 = lever closed (board installed)
Slot D Hot-Plug Switch, 0 = lever closed (board installed)
Slot C Hot-Plug Switch, 0 = lever closed (board installed)
Slot B Hot-Plug Switch, 0 = lever closed (board installed)
Slot A Hot-Plug Switch, 0 = lever closed (board installed)
10h
00h
Description
Serial Input Data Register. RO
Size: 8 bits
Attribute: Read-Only (Pwr Good Rst Only)
Intel® 460GX Chipset Software Developer's Manual