Clear Cmos Button - Acer Veriton 2800 Service Manual

Clear CMOS Button

There is a CMOS RAM on board that has a power supply from external battery to keep the system
configuration data. With the CMOS RAM, the system can automatically boot OS every time it is turned on. If
you want to clear the system configuration, use the SW1 (Clear CMOS Button) to clear data. Press the button
in the middle of the connector rop side to clear the data.
Illustration
Chapter 5
Pin No.
1 TPA+
2 TPA-
3 Ground
4 Ground
5 TPB+
6 TPB-
7 Cable power
8 Cable power
9 No pin
10 Ground
Symbol
1-2 closed
2-3 closed
Signal
Description
Normal(default)
Clear CMOS
Function
76