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P4D/P4D-N Motherboard
User’s Manual
2•10
Other Internal Connectors
There are several other connectors on the motherboard.
ATX Power Connectors
Function: Connectors for leads from a system ATX power
supply.
Description: There are three power connectors on the
motherboard for leads from an ATX power supply. The
power supply leads plug into the connectors. The con-
nector design prevents incorrect orientation. There are
two additional connectors in addition to the standard 20-
pin ATX connector. The extra 4-pin connector supplies
12-volt current and the 6-pin auxiliary power connector
provides additional 3.3 and 5-volt power..
More Information: Please refer to Chapter 4, “Installing
the Board in a System Housing”. Chapter 7 lists technical
specifications.
ATX Power Connectors:
An ATX power supply with
three power leads is re-
quired for this board.
Standard ATX connector
Auxiliary power connector
CPU & System Cooling Fan Connectors J39, 40, 41
Function: Power connectors for CPU and system hous-
ing cooling fans.
Description: There are one CPU cooling fan connector
and two system housing cooling fan connectors on the
motherboard. All the connectors are 3-pin headers. The
system housing fan connectors support fan tachometer
monitoring. The processor heat sink fan is not speed
controlled.
ATX PWR
J79
J9
Additional 12V connector