![background image](/i/asrock/46422/asrock-z77-pro4-m/h/asrock-z77-pro4-m-034.png)
34
ASRock Z77 Pro4-M Motherboard
English
Serial port Header
This COM1 header supports a
(9-pin COM1)
serial port module.
(see p.2, No. 27)
HDMI_SPDIF Header
HDMI_SPDIF header, providing
(2-pin HDMI_SPDIF1)
SPDIF audio output to HDMI
(see p.2, No. 34)
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.