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new battery to replace old one after it cannot work or BIOS does not keep its
settings.
Replace only with the same or equivalent type recommended by the
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manufacturer.
Buzzer "BZ1"
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It is a 5 volts onboard buzzer. When system has any abnormally state that
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you will hear warnings through buzzer.
Power Connector "ATX1"
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It has a single lead connector with a clip on one side of the plastic housing.
There is only one way to plug the lead into the power connector "ATX1". Press
the lead connector down until the clip snaps into place and secures the lead
on to the connector.
5. Hardware Installation
M81E / M81DC2 / M812-FX Series User's Manual
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