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ATX 12V Power Connector
(8-pin ATX12V1)
(see p.2, No. 1)
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. 24)
HDMI_SPDIF Header
(2-pin HDMI_SPDIF1)
(see p.2, No. 25)
ASRock Z77 Extreme3 Motherboard
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.
HDMI_SPDIF header, providing
1
SPDIF audio output to HDMI
GND
SPDIFOUT
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.
8
5
4
1
37
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