Hardware Installation- 31 -
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Short: Clear CMOS Values
19) CLR_CMOS (Clearing CMOS Jumper)
Use this jumper to clear the CMOS values (e.g. date information and BIOS configurations) and
reset the CMOS values to factory defaults. To clear the CMOS values, place a jumper cap on the
two pins to temporarily short the two pins or use a metal object like a screwdriver to touch the two
pins for a few seconds.
• Always turn off your computer and unplug the power cord from the power outlet before
clearing the CMOS values.
• After clearing the CMOS values and before turning on your computer, be sure to remove
the jumper cap from the jumper. Failure to do so may cause damage to the motherboard.
• After system restart, go to BIOS Setup to load factory defaults (select Load Optimized
Defaults) or manually configure the BIOS settings (refer to Chapter 2, "BIOS Setup," for
BIOS configurations).
20) HDMI_AC (HDMI Adapter Audio Cable Connector)
When the HDMI adapter is installed in the PCI Express x16 slot for HDMI video output, you may
connect the adapter's HD audio cable to the connector for HDMI audio output.
Pin No. Definition
1 ACZ_BITCLK
2 GND
3 -ACZ_RST
4 VCC3
5 ACZ_SYNC
6 GND
7 ACZ_SDOUT
8 VCC3
Pin No. Definition
9 ACZ_SDIN0
10 +12V
11 ACZ_SDIN1
12 No Pin
13 ACZ_SDIN3
14 3VDUAL
15 ACZ_SDIN2
16 GND
1
2
15
16
To enable HDMI, make sure the "Microsoft UAA Bus driver for High Definition Audio" has
been installed from the motherboard driver disk and your operating system has been
updated with the latest Service Pack for Windows before installing the graphics card driver.
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