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Serial Port Header
(9-pin COM1)
(see p.2, No. 36)
HDMI_SPDIF Header
(2-pin HDMI_SPDIF1)
(see p.2, No. 39)
RRXD1
DDTR#1
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
ASRock Z77 Extreme11 Motherboard
This COM1 header supports
a serial port module.
This header provides SPDIF
audio output to HDMI VGA
cards, allowing the system
to connect HDMI Digital
TV/projector/LCD devices.
Please connect the HDMI_
SPDIF connector of a HDMI
VGA card to this header.
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