ASRock Fatal1ty Z77 Professional-M manual ATX 12V Power Connector Please connect an ATX

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.

20-Pin ATX Power Supply Installation

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ATX 12V Power Connector	8	5	Please connect an ATX 12V
(8-pin ATX12V1)			power supply to this connector.
(see p.4, No. 1)	4	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.

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4-Pin ATX 12V Power Supply Installation 4 1

SLI/XFIRE Power Connector

(4-pin SLI/XFIRE_PWR1)

(see p.4 No. 35)

SLI/XFIRE_POWER1

It is not necessary to use this connector, but please connect it with a hard disk power connecor when two graphics cards are plugged to this motherboard.

Serial port Header	This COM1 header supports a
(9-pin COM1)	serial port module.
(see p.4, No. 29)

HDMI_SPDIF Header

(2-pin HDMI_SPDIF1)

(see p.4, No. 27)

1

GND

SPDIFOUT

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.

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Fatal1ty Z77 Professional-M Series Motherboard