User`s manual

FS-A74 User’s Manual
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2.13 <Power Supply and Fan Interface >
The FS-A74 provides a standard ATX power supply with 4-pin ATX connector and the
board provides one 4-pin fan connector supporting smart fan for CPU cooler and one
4-pin cooler fan connectors for system and Northbridge chip. please connect this well
before you finishing the system setup.
Connector: DC_IN
Type: 4-pin DC power connector
Pin Description Pin Description
1 +12V 2 Ground
3 Ground 4 +5V
Connector: CPUFAN
Type: 4-pin fan wafer connector
Pin Description Pin Description
1 Ground 2 +12V
3 Fan Speed Detection 4 Fan Control
Connector: SYSFAN
Type: 3-pin fan wafer connector
Pin Description Pin Description
1 Ground 2 +12V
3 Fan Speed Detection 4 Will be defined
Connector: CN_PS
Type: 3-pin connector
Pin Description Pin Description Pin Description
1 5VSTBY 2 Ground 3 PSON
CPUFAN
4
1
DC_IN
4
1
4
1
SYSFAN
3
1
CN_PS