ASROCK H61 Pro User Manual page 28

ATX 12V Power Connector
(8-pin ATX12V1)
(see p.13 No. 3)
Though this motherboard provides 8-pin ATX 12V power connector, it can still work
if you adopt a traditional 4-pin ATX 12V power supply. To use the 4-pin ATX power
supply, please plug your power supply along with Pin 1 and Pin 5.
Serial port Header
(9-pin COM1)
(see p.13 No. 19)
Please connect an ATX 12V
8 5
power supply to this connector.
4 1
4-Pin ATX 12V Power Supply Installation
This COM1 header supports a
serial port module.
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8 5
4 1