ASROCK EP2C602 Series User Manual page 66

Though this motherboard provides a 4-Pin CPU fan (Quiet Fan)
connector, 3-Pin CPU fans can still work successfully even with-
out the fan speed control function. If you plan to connect a 3-Pin
CPU fan to the CPU fan connector on this motherboard, please
connect it to Pin 1-3.
ATX Power Connector
(24-pin ATXPWR1)
Though this motherboard provides a 24-pin ATX power connector,
it can still work if you adopt a traditional 20-pin ATX power supply.
To use a 20-pin ATX power supply, please plug your power supply
along Pin 1 and Pin 13.
ATX 12V Power
Connectors
(8-pin ATX12V1)
(8-pin ATX12V_1)
Though this motherboard provides an 8-pin ATX 12V power con-
nector, it can still work if you adopt a traditional 4-pin ATX 12V
power supply. To use a 4-pin ATX power supply, please plug your
power supply along Pin 1 and Pin 5.
24 13
12
20-Pin ATX Power Supply Installation
8 5
1
4
1 4
5 8
4-Pin ATX 12V Power Supply Installation
66
Pin 1-3 Connected
3-Pin Fan Installation
Please connect an ATX pow-
er supply to this connector.
1
24
12
Please connect an ATX 12V
power supply to this connec-
tor.
13
1
8 5
4 1