ASRock X79 Extreme3 User Manual - Page 39

Please connect an ATX 12V

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ATX Power Connector (24-pin ATXPWR1) (see p.12 No. 8) 12 24 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 (8-pin ATX12V1) (see p.12 No. 1) 5 1 8 4 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. 5 1 4-Pin ATX 12V Power Supply Installation 8 4 SLI/XFIRE Power Connector (4-pin SLI/XFIRE_PWR1) (see p.12 No. 38) 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 (9-pin COM1) (see p.12 No. 29) This COM1 header supports a serial port module. 39

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39
ATX Power Connector
Please connect an ATX power
(24-pin ATXPWR1)
supply to this connector.
(see p.12
No. 8)
12
1
24
13
20-Pin ATX Power Supply Installation
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.
12
1
24
13
ATX 12V Power Connector
Please connect an ATX 12V
(8-pin
ATX12V1)
power supply to this connector.
(see p.12
No. 1)
4-Pin ATX 12V Power Supply Installation
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.
5
1
8
4
5
1
8
4
SLI/XFIRE Power Connector
It is not necessary to use this
(4-pin
SLI/XFIRE_PWR1)
connector, but please connect it
(see p.12
No. 38)
with a hard disk power
connecor when two graphics
cards are plugged to this
motherboard.
SLI/XFIRE_POWER1
Serial port Header
This COM1 header supports a
(9-pin COM1)
serial port module.
(see p.12
No. 29)