Home▸ Forums▸ Classic II not holding PRAM data — #2▸ Classic II not holding PRAM data — #2
Post #2 by James1095
Source ForumClassic II not holding PRAM data — #2
CategoryHardware
Post DateTue, 2 Apr 2013 - 21:48
Original URLhttps://68kmla.org/bb/threads/classic-ii-not-holding-pram-data.27723/
Post
Find the SRAM chip that stores the data and measure the voltage at the power pins with the machine unplugged. You should see >3V from the battery between the power pin and ground of the IC. It's possible the IC is bad, but I would first suspect a connection or the diode that isolates the battery from the power rail.

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