ASROCK 945GCM-S Installation Guide download pdf (Page 20)

Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin

CPU fan still can work successfully even without the fan speed control function.

If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this

motherboard, please connect it to Pin 1-3.

Pin 1-3 Connected

3-Pin Fan Installation

ATX Power Connector

(24-pin ATXPWR1)

(see p.2, No.6)

Please connect an ATX power

supply to this connector.

Though this motherboard provides 24-pin ATX power connector,

it can still work if you adopt a traditional 20-pin ATX power supply.

To use the 20-pin ATX power supply, please plug your power

supply along with Pin 1 and Pin 13.

20-Pin ATX Power Supply installation

ATX 12V Connector

(4-pin ATX12V1)

(see p.2 No. 28)

Please note that it is necessary

to connect a power supply with

ATX 12V plug to this connector

so that it can provides sufficient

power. Failing to do so will cause

the failure to power up.

AS Rock 945GCM-S Motherboard

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ASROCK 945GCM-S Installation Guide Page 20