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Home Forums Mac Plus RAM upgrade — #1 Mac Plus RAM upgrade — #1
Post #1 by MacDougall
Source ForumMac Plus RAM upgrade — #1
CategoryHardware
Post DateFri, 8 Mar 2013 - 18:39
Original URLhttps://68kmla.org/bb/threads/mac-plus-ram-upgrade.27538/
Post
Hello, new Mac tinkerer here. I have a Mac plus which is nearly fully operational. I have put the machine back to 1mb for now while I try to sort some other problems, but I have a few questions about upgrading the RAM.

Is it normal for a Mac plus with 4Mb to take a long time to start up?

After the bong, this Mac plus will sit with a grey screen for quite a while before asking for a disk or booting an HD.

Once going, it seems to be very happy with the 4Mb. Is there a recommended memtest program?

How picky should I expect the machine to be regarding simms, I have four 4Mb sets, (all parity), but only one seems to work properly. I've seen checkerboards and garbage and nothing at all with the others. Is it always required to readjust the voltage after upgrading RAM?

mp.ls