Juniper Systems Allegro DOS Manual - Manual (Page 43)

Allegro DOS Owner’s Manual 43
If power is not supplied to the Allegro for more than fi ve minutes,
the Allegro reboots when the battery pack is replaced or charged.
All the programs, data, and applications saved to the disk are safe.
Information that was not saved to the disk is lost.
The super capacitor should not need replacement through the life of
the Allegro.
Backup Battery, Real Time Clock
A 3.6 V lithium backup battery supplies current to the Allegro to
maintain the real time clock when power is not supplied to the
Allegro. This battery should last for at least fi ve years.
Replacing the Lithium Backup Battery
If the Allegro does not hold the date and time or you get a CMOS
error message, the lithium battery needs to be replaced. You can
check and see whether or not the lithium battery is good or bad. Go
to System Setup Program|System Information Screen to view the status
of the lithium battery.
You must return your Allegro to the factory for lithium backup
battery replacement.
▲