Intel DB65AL DB65AL Technical Product Specification - Page 49

Add-in Card Connectors

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Technical Reference Table 18. Processor (4-Pin) Fan Header Pin Signal Name 1 Ground 2 +12 V 3 FAN_TACH 4 FAN_CONTROL Table 19. Front and Rear Chassis Fan Headers Pin 4-Wire Support Pin 3-Wire Support 1 Ground 3 Ground 2 +12 V 2 FAN_POWER 3 FAN_TACH 1 FAN_TACH 4 FAN_CONTROL N/A N/A Table 20. Intel FCFH Header Pin Description 1 Ground 2 FCFH# 2.2.2.2 Add-in Card Connectors The board has the following add-in card connectors: • One PCI Express 2.0 x16: one PCI Express 2.0 x16 connector. This connector supports simultaneous transfer speeds of up to 8 GB/s of peak bandwidth per direction. • PCI Express 2.0 x4: one PCI Express 2.0 x4 connector. The x4 interface supports simultaneous transfer speeds up to 500 MB/s of peak bandwidth per direction and up to 4 GB/s concurrent bandwidth. • 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. 49

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Technical Reference
49
Table 18.
Processor (4-Pin) Fan Header
Pin
Signal Name
1
Ground
2
+12 V
3
FAN_TACH
4
FAN_CONTROL
Table 19.
Front and Rear Chassis Fan Headers
Pin
4-Wire Support
Pin
3-Wire Support
1
Ground
3
Ground
2
+12 V
2
FAN_POWER
3
FAN_TACH
1
FAN_TACH
4
FAN_CONTROL
N/A
N/A
Table 20. Intel FCFH Header
Pin
Description
1
Ground
2
FCFH#
2.2.2.2
Add-in Card Connectors
The board has the following add-in card connectors:
•
One PCI Express 2.0 x16:
one PCI Express 2.0 x16 connector.
This connector
supports simultaneous transfer speeds of up to 8 GB/s of peak bandwidth per
direction.
•
PCI Express 2.0 x4:
one PCI Express 2.0 x4 connector.
The x4 interface supports
simultaneous transfer speeds up to 500 MB/s of peak bandwidth per direction and
up to 4 GB/s concurrent bandwidth.
•
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.