ASRock Z77 Extreme6__TB4 - Manual (Page 41)

ASRock Z77 Extreme6/TB4 Motherboard
41
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. 40) 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 is
(see p.2 No. 19) one IEEE 1394 header on this
motherboard. This IEEE 1394
header can support one IEEE
1394 port.
Serial port Header This COM1 header supports a
(9-pin COM1) serial port module.
(see p.2, No. 31)
HDMI_SPDIF Header HDMI_SPDIF header, providing
(2-pin HDMI_SPDIF1) SPDIF audio output to HDMI
(see p.2, No. 33) 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.
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