ASRock Z77 OC Formula - Manual (Page 42)

42
ASRock Z77 OC Formula Motherboard
EnglishEnglish
Serial port Header This COM1 header supports a
(9-pin COM1) serial port module.
(see p.2, No. 40)
HDMI_SPDIF Header HDMI_SPDIF header, providing
(2-pin HDMI_SPDIF1) SPDIF audio output to HDMI
(see p.2, No. 42) 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.
SPDIFOUT
GND
1
SLI/XFIRE_POWER1
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. 39)
with a hard disk power
connecor when two graphics
cards are plugged to this
motherboard.
V-Probe TM Users are able to measure
(7-pin VOL_CON1, onboard components voltage,
7-pin VOL_CON2) including VCCM, VCCSA,
(see p.2, No. 13)
VTT2, VTT1, VCORE,
DMI_COMP, XCLK_RCOMP,
DMI, PCH2, PCH and
1.8V_PLL.
VCCM: DRAM voltage
VCCSA: CPU system agent voltage
VTT2: Main VTT voltage
VTT1: 2nd VTT voltage
VCORE: CPU core voltage
DMI_COMP: DMI COMP voltage
XCLK_RCOMP: Internal clock gen COMP voltage
DMI: DMI voltage
PCH2: Chipset core voltage
PCH: 2nd chipset core voltage
1.8V_PLL: CPU PLL voltage