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Table 18. Chassis Intrusion Header
Pin
Signal Name
1
Intruder#
2
Ground
Table 19. Fan Headers
Pin
4-Wire Support
1
Ground
2
+12 V
3
FAN_TACH
4
FAN_CONTROL
2.2.2.2
Add-in Card Connectors
The board has the following add-in card connectors:
•
PCI Express 2.0 x1: one PCI Express 2.0 x1 connector. The x1 interface supports
simultaneous transfer speeds up to 1 GB/s of peak bandwidth per direction and up
to 2 GB/s concurrent bandwidth.
•
One Conventional PCI (rev 2.3 compliant) connector.
Note the following considerations for the Conventional PCI bus connector:
•
The Conventional PCI bus connector is bus master capable.
•
SMBus signals are routed to the Conventional PCI bus connector. This enables
Conventional PCI bus add-in boards with SMBus support to access sensor data on
the desktop board. The specific SMBus signals are as follows:
⎯ The SMBus clock line is connected to pin A40.
⎯ The SMBus data line is connected to pin A41.
Pin
3-Wire Support
3
Ground
2
FAN_POWER
1
FAN_TACH
N/A
N/A
Technical Reference
45
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