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CMOS Memory Clear Header "JP1"
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It is a 3-Pin header that if your system can not boot-up because you forgot
your password or the CMOS setting need to be reset to default values after
the system BIOS has been updated. The following instructions can be
performed to clear the CMOS and password.
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M81E / M81DC2 / M812-FX Series User's Manual
Turn off your system power, then place a jumper cap to short Pin 2-3 of
JP1 for 3~5 seconds.
Put the jumper cap back to Pin 1-2 of JP1.
Turn on your system power then access BIOS setup, please refer to BIOS
Configuration explain.
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10
Assignment
Pin
Pin
+3.3V
11
1
-12V
12
2
GND
13
3
PW ON/OFF
14
4
GND
15
5
GND
16
6
GND
17
7
-5V
18
8
+5V
19
9
+5V
20
10
Jumper Cap
Short Pin 1-2
Normal Operation
Short Pin 2-3
Clear CMOS
11
1
Assignment
+3.3V
+3.3V
GND
+5V
GND
+5V
GND
PW-GOOD
+5VSB
+12V
3
1
Function
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