Technical Reference
49
Table 20. Chassis Intrusion Header
Pin Signal Name
1 Intruder#
2 Ground
Table 21. Processor, Front, and Rear Chassis
(4-Pin) Fan Headers
1 Ground
2 +12 V
3 FAN_TACH
4 FAN_CONTROL
Note: These fan headers use Pulse Width Modulation control for fan speed.
2.2.2.2 Add-in Card Connectors
The board has the following add-in card connectors:
• One PCI Express x16 (3.0/2.x/1.x)
• One PCI Express x16 (x4 electrically) (2.x/1.x)
• Two PCI Express x1 (2.x/1.x)
NOTE
PCI Express 3.0 is only supported by 3
rd
generation Intel Core processor family
processors.