ATX 12V Power Connector
(4-pin ATX12V1)
(see p.2 No. 21)
Serial port Header
(9-pin COM1)
(see p.2 No. 5)
HDMI_SPDIF Header
(2-pin HDMI_SPDIF1)
(
see p.2 No. 22)
26
ASRock A75M-ITX Motherboard
Please connect an ATX 12V
power supply to this connector.
This COM1 header supports a
serial port module.
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.