ASRock X79 Extreme4-M manual ATX 12V Power Connector

Though this motherboard provides 24-pin ATX power connector,	12	24
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	1	13

ATX 12V Power Connector	5	1
(8-pin ATX12V1)	8	4
(see p.12 No. 1)

Please connect an ATX 12V power supply to this connector.

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.

4-Pin ATX 12V Power Supply Installation

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SLI/XFIRE Power Connector

(4-pin SLI/XFIRE_PWR1)

(see p.12 No. 39)

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.

IEEE 1394 Header	Besides one default IEEE 1394
(9-pin FRONT_1394)	port on the I/O panel, there
(see p.12 No. 32)	is one IEEE 1394 header
	(FRONT_1394) on this
	motherboard. This IEEE 1394
	header can support one IEEE
	1394 port.
Serial port Header	This COM1 header supports a
(9-pin COM1)	serial port module.
(see p.12 No. 31)

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