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I generally use my hot air station to remove caps, but when one is in a bad place for hot air I will use a different quick-and-dirty method. I use a pair of side-cutters to cut the aluminum cap off the base, as close to the base as I can get. I do this while applying downward pressure. Once you...

Thanks that worked great. I thought I had already tried that, but clearly not.

I downloaded some DC42 files from Macintosh Garden and I am having trouble opening them. I am running Mini vMac on a PC. I imported the DC42 files using ImportFl. When I try opening them with Disk Copy 4.2 it just does not see the files. I click "Load Image File..." and navigate to the...

I finally assembled my BlueSCSI v2 external drive and it works great with the accelerator.

I checked continuity from the CUDA to Y1 and unfortunately there were no breaks. Does anyone know which CUDA chips are interchangeable? I found the list below in a post by Bolle from a couple years ago. It looks like only the color classic used 341S0417. If the others are interchangeable...

Thank you, I will check later today and report back.

The dual-floppy modification was called the MacDouble D-D, it was two internal 400k floppy drives. According to this page (link), the company would either do the install work on your machine (I assume you would provide the 2nd 400k drive), or you could buy a machine with both 400k drives for...

I'm not sure why it was done, when I get home later I'm going to try and find the ad. I saw them at a Boeing surplus auction in the early 90s, there was a whole pallet of them.

I love my 128k just because it is the original, however I came across it by chance and would not have otherwise been on the hunt for one. I drove 4 hours to go look at an SE/30 that was supposed to be good, but was battery bombed. The guy also had about 15 other broken compact Macs, he was...

That mirrored image is making my brain hurt.

"on the American side" - thank you for that, that made me smile. 😀

I don't have a good pic of the "A" board, but I can get one later if you would like. The "04" board has the purple heat-sync and 50mhz crystal, those were added by a previous owner. I don't think this is a prototype board since it has the onboard ROMs. I would think a prototype board would...

Looking at my IIsi boards, I have one 820-0301-04, and one 820-0301-A. Both boards have the onboard ROMs. The 04 board PCB is noticeably darker than the A board. Does anyone know the difference between IIsi LB revisions? Just out of curiosity.

I sprayed the connectors for both the LB and AB with Deoxit and inserted/removed the boards multiple times to clean the contacts, no change in behavior. I also checked continuity on all legs of the CUDA chip and everything has continuity. I was definitely hoping I just had a broken trace. :)...

I recently picked up a Color Classic in unknown condition. The first thing I did was recap the logic board. I tried powering up (using a known-good ADB keyboard that works with soft power on my IIsi), and nothing. No beep, no fan, no hard drive spinning up. Just an extremely quiet whine that...

I just picked up a CC and am starting the troubleshooting process. I recapped the AB, and like many others it was clear my DL21 and DL22 diodes had been hot. Both diodes look ok, the cases are fine, but I want to replace them in case they are playing into my no-sign-of-life issue (machine...

I don't have any experience with the Novy board, but I have built a couple Performer clones, and have one in my Plus. I detailed the build in another thread (link), as well as showing a pic of the pin headers I used to mount the board to the 68000. I also have some benchmark info in that...

Have you checked eBay? This might be what you need. Search for "MC68030FE", FE is the QFP surface mount packaging. There are a ton of listings...

The Performer clone is designed to work in a Plus, SE, or Classic. The original was reverse engineered by Bolle, here is a link to the page if you are interested. This same card works fine in my SE using the same boot disk with the same drivers, which definitely makes me think it is a SCSI...