Intel Desktop Board DH61WW Technical Product Specification
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Table 18. Chassis Intrusion Header
Pin Signal Name
1 Intruder#
2 Ground
Table 19. 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
2.2.2.2 Add-in Card Connectors
The board has the following add-in card connectors:
• 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 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.
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