Apple Mac 8600 - Manual (Page 27)

Basics Resetting the Logic Board - 25
5 Make sure the battery is installed in the correct +/-
direction.
6 Reassemble the computer and test the unit.
Note:
This procedure resets the computer’s PRAM. Be sure
to check the computer’s time/date and other system
parameter settings afterwards.
Note:
If this procedure resolves the problem, claim an
adjustment on an SRO. If not, replace the defective
component and DO NOT claim the adjustment procedure.