Intel DQ43AP Product Specification - Page 47
Add-in Card Connectors
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Technical Reference Table 15. Chassis Intrusion Header Pin Signal Name 1 Intruder 2 Ground Table 16. Front, Rear, and Processor (4-Pin) Fan Header Pin Signal Name 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 x1: one PCI Express x1 connector. The x1 interface supports simultaneous transfer speeds up to 250 MB/s of peak bandwidth per direction and up to 500 MB/s concurrent bandwidth • PCI Conventional (rev 2.3 compliant) bus: two PCI Conventional bus add-in card connectors. Note the following considerations for the PCI Conventional bus connectors: • The PCI Conventional bus connectors are bus master capable. • SMBus signals are routed to the PCI Conventional bus connectors. This enables PCI Conventional 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. 47