ASROCK H55DE3 User Manual page 26

ATX 12V Power Connector
(8-pin ATX12V1)
(see p.2 No. 1)
Though this motherboard provides 8-pin ATX 12V power connector, it can still work
if you adopt a traditional 4-pin ATX 12V power supply. To use the 4-pin ATX power
supply, please plug your power supply along with Pin 1 and Pin 5.
Serial port Header
(9-pin COM1)
(see p.2 No.24)
HDMI_SPDIF Header
(3-pin HDMI_SPDIF1)
(see p.2 No. 25)
HDMI_SPDIF Cable
(Optional)
A. black end
2 6 2 6 2 6
2 6 2 6
Please connect an ATX 12V
8 5
power supply to this connector.
4 1
4-Pin ATX 12V Power Supply Installation
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.
Please connect the black end (A)
C
of HDMI_SPDIF cable to the
B
HDMI_SPDIF header on the
A
motherboard. Then connect the
white end (B or C) of
HDMI_SPDIF cable to the
HDMI_SPDIF connector of HDMI
VGA card.
B. white end (2-pin)
ASRock H55DE3 Motherboard
8
4
C. white end (3-pin)
5
1