ASRock X79 Extreme4 - Manual (Page 37)

37
ASRock X79 Extreme4 Motherboard
English
Serial port Header This COM1 header supports a
(9-pin COM1) serial port module.
(see p.2 No. 34)
SLI/XFIRE Power Connector It is not necessary to use this
(4-pin SLI/XFIRE_PWR1) connector, but please connect it
(see p.2 No. 44) with a hard disk power
connecor when two graphics
cards are plugged to this
motherboard.
SLI/XFIRE_POWER1
IEEE 1394 Header Besides one default IEEE 1394
(9-pin FRONT_1394) port on the I/O panel, there
(see p.2 No. 32) is one IEEE 1394 header
(FRONT_1394) on this
motherboard. This IEEE 1394
header can support one IEEE
1394 port.
HDMI_SPDIF Header HDMI_SPDIF header, providing
(2-pin HDMI_SPDIF1) SPDIF audio output to HDMI
(see p.2 No. 35) 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.