Asrock a780gm-le 128m 用户手册

2 7

2 7

2 7

2 7

2 7

CPU Fan Connector

Please connect the CPU fan

(4-pin CPU_FAN1)

cable to this connector and

(see p.12  No. 6)

match the black wire to the

ground pin.

Chassis Speaker Header

Please connect the chassis

(4-pin SPEAKER 1)

speaker to this header.

(see p.12  No. 15)

+5V

DUMMY

DUMMY

SPEAKER

1

GND

+12V

CPU_FAN_SPEED

FAN_SPEED_CONTROL

       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.

3-Pin Fan Installation

ATX Power Connector

Please connect an ATX power

(24-pin ATXPWR1)

supply to this connector.

(see p.12  No. 8)

ATX 12V Power Connector

Please note that it is necessary

(4-pin  ATX12V1)

to connect a power supply with

(see p.12  No. 1)

ATX 12V plug to this connector.

Failing to do so will cause power

up failure.

20-Pin ATX Power Supply Installation

       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.

Chassis and Power Fan Connectors

Please connect the fan cables

(3-pin CHA_FAN1)

to the fan connectors and

(see p.12  No. 20)

match the black wire to the

ground pin.

(3-pin PWR_FAN1)

(see p.12  No. 7)

GND

+12V

CHA_FAN_SPEED

GND

+12V

PWR_FAN_SPEED