ASRock Fatal1ty X79 Champion Quick Installation Guide - Page 52
Please connect an ATX 12V
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ATX 12V Power Connector 8 (8-pin ATX12V1) (see p.4 No. 3) 4 5 Please connect an ATX 12V power supply to this connector. 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. 8 5 4-Pin ATX 12V Power Supply Installation 4 1 SLI/XFIRE Power Connector It is not necessary to use this (4-pin SLI/XFIRE_PWR2) connector, but please connect it (see p.4 No. 38) with a hard disk power SLI/XFIRE_POWER2 connecor when two graphics cards are plugged to this motherboard. IEEE 1394 Header (9-pin FRONT_1394) (see p.4 No. 27) Besides one default IEEE 1394 port on the I/O panel, there is one IEEE 1394 header (FRONT_1394) on this motherboard. This IEEE 1394 header can support one IEEE 1394 port. Serial port Header (9-pin COM1) (see p.4 No. 36) This COM header supports a serial port module. English 52 Fatal1ty X79 Champion Series Motherboard