SOYO SY-7VBA133U User Manual page 29

Hardware Installation
(5VSB).
Please install the ATX power according to the following pin assignment:
ATX Power
12V
5VSB
PW-OK
GND
5V
GND
5V
GND
3.3V
3.3V
CMOS Clear (JP5)
In some cases the CMOS memory may contain wrong data, follow the
steps below to clear the CMOS memory.
1. Clear the CMOS memory by momentarily shorting pin 2-3 on jumper
JP5. This jumper can be easily identified by its white colored cap.
2. Then put the jumper back to 1-2 to allow writing of new data into
the CMOS memory.
CMOS
Clearing
JP5 Setting
Note: You must unplug the ATX power cable from the ATX power
connector when performing the CMOS Clear operation.
5V
5V
-5V
GND
GND
Pay special care to the directionality.
GND
PS-ON
GND
-12V
3.3V
Clear CMOS Data
Short pin 2-3 for
at least 5
seconds to clear
the CMOS
Retain CMOS Data
Short pin 1-2
to retain new
settings
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SY-7VBA133U
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