ASRock 4CoreDual-SATA2 User Manual - Page 24

Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin CPU fan still can work successfully even without the fan speed control function. If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this motherboard, please connect it to Pin 1-3. Pin 1-3 Connected 3-Pin Fan Installation Game Connector (15-pin GAME1) (see p.11, No. 22) ATX Power Connector (20-pin ATXPWR1) (see p.11, No. 29) +5V JBB1 JBX MIDI_OUT JBY JBB2 MIDI_IN 1 +5V JAB2 JAY GND GND JAX JAB1 +5V Connect a Game cable to this connector if the Game port bracket is installed. Please connect an ATX power supply to this connector. ATX 12V Connector (4-pin ATX12V1) (see p.11, No. 2) HDMI_SPDIF Header (3-pin HDMI_SPDIF1) (see p.11 No. 23) 1 GND SPDIFOUT +5V Please note that it is necessary to connect a power supply with ATX 12V plug to this connector so that it can provides sufficient power. Failing to do so will cause the failure to power up. HDMI_SPDIF header, providing SPDIF audio output to HDMI VGA card, allows the system to connect HDMI Digital TV/ projector/LCD devices. Please connect the HDMI_SPDIF connector of HDMI VGA card to this header. 24