Apple Macintosh Plus ED [ Apple Macintosh Plus ED] Condition: working , stored

• build-in 3.5 inch floppy drive (1)
• Apple SC20 SCSI harddisk (20Mb)
• build-in monitor
• OS: MacOS 6

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Apple LC 475 [ Apple LC 475] Condition: working, stored

• build-in 3.5 inch floppy-drive (1)
• Internal Quantum 250Mb SCSI HD
• Network-card
• External Apple 12" monochrome monitor (M1050).
• OS: Mac OS 8.1

The system works again after replacing the battery on the main-board.

The problem was a system that didn't boot anymore. After the usual sequence of blinking keyboard leds, the 'pling' sound and harddisk-activity, the system stopped booting.

These symptoms are in some way similar to the ones described at http://www.sover.net/%7Ejams/Classic_Mac_Workshop/battery.html (page doesn't seem to exist anymore).

I ordered the (SAFT 3.6V LS 14250) which is the battery used in this specific Mac. After replacing the battery, the system appears to function normally, though I didn't test the network-card and floppy-drive yet.

I realize that this might be related to the problems I had with the Mac II.