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cPCI-MXS64GX Technical Reference Manual
3.3.2. Backup Battery
An onboard 3.6V lithium battery is provided to backup BIOS setup values and the real time
lock (RTC).
When replacing, the battery must be connected as follows:
3.6V
Lithium Battery
Negative Pin
(outer)
Negative
Onboard
Contact
Battery Connector
!
WARNING
Danger of explosion if battery is incorrectly replaced
Replace only with the same or equivalent type recommended by the
manufacturer. Dispose of used batteries according to the manufacturer's
instructions. When you receive a board, remove the onboard battery
jumper to enable the battery (See section 3 for jumper settings)
Positive Pin
(Center)
Positive
Contract
3.16
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