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2.8.2.3
Add-in Board and Peripheral Interface Connectors
Figure 6 shows the location of the add-in board connector and peripheral connectors for the
Desktop Board D845GVSR. Note the following considerations for the PCI bus connectors:
•
All of the PCI bus connectors are bus master capable.
•
SMBus signals are routed to PCI bus connector 2, enabling PCI bus add-in boards with SMBus
support to access sensor data on the Desktop Board. The SMBus signals are as follows:
The SMBus clock line is connected to pin A40.
The SMBus data line is connected to pin A41.
Figure 6. Add-in Board and Peripheral Interface Connectors
A
B
C
2
1
2
1
F
E
Item
Description
A
PCI bus connector 3
B
PCI bus connector 2
C
PCI bus connector 1
D
Diskette drive
E
Primary IDE
F
Secondary IDE
40
39
2
40
34
39
33
1
D
OM16237
Technical Reference
53
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