Fan Header Current Capability; Add-In Board Considerations - Intel BLKDH57DD Technical Product Specification

2.5.2

Fan Header Current Capability

CAUTION
The processor fan must be connected to the processor fan header, not to a chassis fan
header. Connecting the processor fan to a chassis fan header may result in onboard
component damage that will halt fan operation.
Table 33 lists the current capability of the fan headers.
Table 33. Fan Header Current Capability
Fan Header
Processor fan
Front chassis fan
Rear chassis fan
2.5.3

Add-in Board Considerations

The board is designed to provide 2 A (average) of current for each add-in board from
the +5 V rail. The total +5 V current draw for add-in boards for a fully loaded board
(all expansion slots filled) must not exceed the system's power supply +5 V maximum
current.
Maximum Available Current
2.0 A
1.5 A
1.5 A
Technical Reference
55