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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.
SLI/XFIRE Power Connector
(4-pin SLI/XFIRE_PWR1)
(see p.2 No. 4)
IEEE 1394 Header
(9-pin FRONT_1394)
(see p.2 No. 26)
Serial port Header
(9-pin COM1)
(see p.2 No.32)
HDMI_SPDIF Header
(3-pin HDMI_SPDIF1)
(see p.2 No. 35)
3 6
3 6
3 6
3 6
3 6
ASRock
4-Pin ATX 12V Power Supply Installation
It is not necessary to use this
connector, but please connect it
with a hard disk power connecor
when two graphics cards are
SLI/XFIRE_POWER1
plugged to this motherboard at
the same time.
Besides one default IEEE 1394
port on the I/O panel, there is one
IEEE 1394 header
(FRONT_1394) on this
motherboard. This IEEE 1394
header can support one IEEE
1394 port.
This COM1 header supports a
serial port module.
HDMI_SPDIF header, providing
SPDIF audio output to HDMI VGA
card, allows the system to
con nect HDMI Digital TV/
projector/LCD devices. Please
connect the HDMI_SPDIF
connector of HDMI VGA card to
this header.
M3A790GXH/128M
Motherboard
8
4
5
1
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