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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
(8-pin ATX12V1)
(see p.2, No. 4)
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.2, No. 28)
HDMI_SPDIF Header
(2-pin HDMI_SPDIF1)
(see p.2, No. 29)
20-Pin ATX Power Supply Installation
8
5
4
1
4-Pin ATX 12V Power Supply Installation
1
GND
SPDIFOUT
ASRock Z75 Pro3 Motherboard
12
1
Please connect an ATX 12V
power supply to this connector.
8
4
This COM1 header supports a
serial port module.
HDMI_SPDIF header, providing
SPDIF audio output to HDMI
VGA card, allows the system to
connect HDMI Digital TV/
projector/LCD devices. Please
connect the HDMI_SPDIF
connector of HDMI VGA card to
this header.
24
13
5
1
33
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