ASRock Fatal1ty 990FX Professional manual ATX Power Connector, ATX 12V Power Connector

ATX Power Connector 12 24

(24-pin ATXPWR1)

(see p.14 No. 11)

1 13

Please connect an ATX power

supply to this 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.14 No. 2)

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.

51

4-Pin ATX 12V Power Supply Installation

84

IEEE 1394 Header	Besides one default IEEE 1394
(9-pin FRONT_1394)	port on the I/O panel, there is
(see p.14 No. 33)	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.14 No.30)

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