ASROCK k8A780LM Manual De Instrucciones página 21

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ATX Power Connector
(24-pin ATXPWR1)
(see p.2 No. 7)
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.
ATX 12V Power Connector
(4-pin ATX12V1)
(see p.2 No. 2)
Serial port Header
(9-pin COM1)
(see p.2 No.32)
ASRock
12 24
Please connect an ATX power
supply to this connector.
1 13
20-Pin ATX Power Supply Installation
Please note that it is necessary
to connect a power supply with
ATX 12V plug to this connector.
Failing to do so will cause power
up failure.
This COM1 header supports a
serial port module.
k8A780LM Motherboard
12 24
13
1
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