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P4DA Motherboard
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User’s Manual 2•10
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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 two power connectors on the
motherboard for leads from an ATX power supply. The
power supply leads plug into the onboard connectors.
The connector design prevents incorrect orientation. The
connectors include the standard 20-pin ATX connector
and a 4-pin connector supplies 12-volt current.
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
two power leads is re-
quired for this board.
Standard ATX connector
CPU & System Cooling Fan Connectors J15, 25, 26, 30
Function: Power connectors for CPU and system hous-
ing cooling fans.
Description: There is one CPU cooling fan connector
and three 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.
Additional 12V connector
JP2
ATX PWR