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I've finally joined the club :) 6100/66 DOS Compatible just like when I was a kid...the nostalgia is hitting me pretty hard at the moment :) Well...not *just* like my original one. I've recapped both the PSU and logic board on this one, new thermal paste on both CPUs, installed 264MB of...

I understood...some of that :LOL:

No, these are the only PC cards I have, and they won't work in a IIci...

I finally replaced some corrosion-damaged ICs in my dad's old IIci, recapped the PSU and logic board, cleaned/lubed the floppy drive, and it booted right up. As you can see, he had some goodies installed: Front-to-back are a Daystar 040 accelerator, a Radius Stage II Rocket, a Radius...

Yes, I carefully cleaned with IPA (those pins are so fragile) and waited for it to dry thoroughly. Hard to get all of the flux off though since some of it runs under the pins when heated. It took repeated applications of IPA before flux residue stopped running out. I've never tried to reflow...

done...also uploaded to archive.org

Installation manual for the MicroMac Power Workstation, an expansion accessory for the Macintosh LC, LCII, and Performa 400/405/410/430 computers.

Kind of "eggshell"...not totally glossy-smooth, but not really rough. About the same texture as the plastic Performa case. Ya, I'm in Pittsburgh.

So the problem returned where it wouldn't chime with the heatsink installed. I looked at the pins under magnification and prodded them with a plastic spudger...didn't see any move, but it may have been hard to tell. I then applied a thin bead of flux to the CPU pins, masked off surrounding...

The inventory page in the manual also says there should have been a separate installation manual and software disks for the included accelerator, which I don't have. I think that gives further credence to the idea that my dad already had this accelerator installed in the Performa and ordered a...

I posted a picture of this on Discord and received a lot of questions and requests for pictures. Apparently it was questionable whether any of these ever actually existed. Well, at least one of them did :) I called my dad (original owner) to ask him what he remembered about it. He thinks...

I think I actually have one of those somewhere...

Thanks. I have it all put back together and booting into the 8.5 install that was on the HD that came with it. I'd forgotten how hot that CPU ran...heatsink gets quite warm...going to be warmer when I put the DOS card in and there's a 486 sitting right above it :/ Everything I've tried so far...

Bingo. I removed the clip, set the heatsink on the CPU and it chimed. I then applied light pressure on the center of the heatsink with a fingertip and booted it again...it chimed. I then increased the pressure a little with each attempt and eventually it didn't chime. I've now bent the legs...

I just finished recapping my 6100's logic board. I also removed the heatsink, applied new thermal paste, and reinstalled the heatsink. It booted fine before doing any of that, but wouldn't chime afterwards. I triple-checked all the new caps, and everything looked good. I then removed the...

I was holding out for one like that...because that's how mine was when I was a kid :)

Looky what I got :) Chimes and boots OS8 off of the installed HD, and PSU outputs correct voltages...just dusty and a little yellowed. Logic board looks pristine with no signs of leaky caps or other corrosion. I'm still going to recap the PSU and logic board and just do a full resto on...

Not yet :) I only have one NuBus mac right now, and I just started working on it. The cap and IC under that oscillator have some discoloration, so they're questionable. I'll try it when I get this IIci fixed up. Just recapped the PSU, and it boots, but the board needs recapping. The...

All better...

I had a Thunderscan (the thing that turns an IW into a scanner) too that I recently sold 🤷‍♂️