beautypg.com

7 serial input byte data, Serial input byte data -16 – Intel 460GX User Manual

Page 162

background image

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