ASRock A790GXH/128M Quick Installation Guide - Page 31
con nect HDMI Digital TV
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ATX Power Connector (24-pin ATXPWR1) (see p.2 No. 8) 12 24 Please connect an ATX power supply to this connector. 1 13 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.2 No. 2) 8 5 4 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. 8 5 4-Pin ATX 12V Power Supply Installation 4 1 Serial port Header (9-pin COM1) (see p.2 No.29) This COM1 header supports a serial port module. HDMI_SPDIF Header HDMI_SPDIF header, providing (3-pin HDMI_SPDIF1) SPDIF audio output to HDMI VGA (see p.2 No. 32) card, allows the system to con nect HDMI Digital TV/ projector/LCD devices. Please d connect the HDMI_SPDIF connector of HDMI VGA card to on this header. English 31 ASRock A790GXH/128M Motherboard