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hi,  I am bidding on US version of the 512k sold here in Europe as "untested", "condition unknown". There's probability someone tried to power it on without any proper step up/down transformer.  What could get fried besides analogue board? I am hesitating if it's worth buying for parts. Any...

another clever idea - Raspberry Pi emulates really fast 68000 CPU with huge chunk of memory while  the rest of original hardware works as usual  https://twitter.com/Claude1079/status/1330154148113887234

hey guys, any specific reason to use 030 in compact Macs still limited to 1bit video? Can you name any software other than flightsims that would utilize more power or demand better CPU than 68000?  TBH  I always thought it would be nice to use MC68HC000 based turbo which runs as fast as 50...

the same thing happened to my Plus thanks to this nasty Ikea desk lamp. 

@MindWalker the easiest thing you could try is some acetone and try to smoothen the edges, but don't use any plastic tool as it will melt too.  Try this on a small dent first, should work. 

yeah the switches, thanks for reply.

BTW How can you tell if head motor is working?  Anyone ever needed to change the floppy disk insertion sensors? 

I am quite pleased with Mac Rominator and RAM disk's performance "boost". Waiting for 64 MB Rambus thing by Garrett.  BTW has anyone thought about putting MC68HC000 based accelerator inside Plus? It's quite popular in Amiga and Atari ST worlds these days, these processors can go up to 50 MHz...

here's update: recapping the logic board worked magic and eliminated all these problems: - no sound - sudden slowdowns, when computer would stall and wait before completing tasks - hard drive inaccessibility - quite often the hdd wasn't present at booting

Oops I thought I got 020 version.

ok thanks for reply. Need to check this while booted from Floppy/ROM. 

Hi,  Luckily this one never had a leaky battery. Boots just fine, but never heard any sound from it. When I click play sound in System 7 Control Panel it crashes. Cleaned the board with IPA, especially around sound chip, put headphone jack back and forth. No progress. I am planning to recap the...

Hi,  Is it possible to damage Macintosh Plus keyboard chip with changing keyboards or/and cables while computer is on? Today I tested my two M0110A keyboards with Plus and self made modified cables (none of them were regular phone cord). One of my keyboards worked fine while using old version...

wow thanks for such detailed explanation guys! After WD40 treatment described by you and Larry Pina in his excellent book now all the keys work like charm.

ok cool, thank you guys. I applied some wd40

ok thanks Slomacuser. Here's an update: I sprayed some alcohol underneath the non working key like "A", now it's stuck typing "aaaaa" on screen like crazy and it doesn't respond to the other keys. I want to access the area under the white switch to clean it, but it's totally different than Plus...

Hi, Happy holidays. I have this Mac 512k with European Qwerty M0110B keyboard (M4 M011OB). However noticed some issues: - some single keys like A D, F do not work at all, what might be the problem? These white switches need replacement or some PCB contact points need silver glue? - when I use...

Hi,  I have a Mac Rominator installed in my Plus, I get the customized chime, welcome screen, but when I press "R" the Mac gets suspended on Welcome to Macintosh screen.  Anyone had similar problem?

Hi,  Since the most of the old games like Sim City, Arkanoid, Tetris are stripped of system files I am struggling to prepare a proper bootable 800k floppy disks with old games for single drive Mac Plus.  When I put system files from System 3.2 and above mentioned games on 800k floppy it's not...

count me in! Interested.