ASROCK 890GX EXTREME3 User Manual page 35

Serial port Header
(9-pin COM1)
(see p.11 No.31)
HDMI_SPDIF Header
(3-pin HDMI_SPDIF1)
(see p.11 No. 33)
HDMI_SPDIF Cable
(Optional)
A. black end
+5V
SPDIFOUT
blue
GND black
This COM1 header supports a
RRXD1
DDTR#1
serial port module.
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
HDMI_SPDIF header, providing
SPDIF audio output to HDMI VGA
1
card, allows the system to
GND
SPDIFOUT
+5V
connect HDMI Digital TV/
projector/LCD devices. Please
connect the HDMI_SPDIF
connector of HDMI VGA card to
this header.
Please connect the black end (A)
of HDMI_SPDIF cable to the
C
HDMI_SPDIF header on the
B
motherboard. Then connect the
A
white end (B or C) of
HDMI_SPDIF cable to the
HDMI_SPDIF connector of HDMI
VGA card.
B. white end (2-pin) C. white end (3-pin)
SPDIFOUT SPDIFOUT
blue
GND black
3 5 3 5 3 5 3 5 3 5
blue
GND black