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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 🤷‍♂️

I'm too busy wrenching on this IIci so I know if I need that accelerator you want ;) Seriously though, I'll probably hang on to that printer since it's teeny and "completes the set". I doubt I'll hang on to any of these imagewriters or stylewriters. They take up too much space and I just...

I just want my first computer back. PowerMac 6100/66 DOS-Compatible (with the Houdini II DOS card). I had everything...the funky monitor cable, maxed RAM, all the manuals... I gave it away around 2006 when I needed space. I don't know why...surely I could have tucked that pizza-box away...

So was that upgrade kit that Wikipedia describes basically a new logic board?

Ya. I think the "xK RAM" notations on them are just how much memory they require to run. The 16K RAM module is in that box on the upper-right.

Ordered some no-name ones on Amazon: https://www.amazon.com/Footprint-Dip14-3V3-5V-Crystal-Oscillator/dp/B089KGVG79/ref=sr_1_3?keywords=27+mhz+oscillator+full+can&qid=1658168069&sprefix=%2Caps%2C39&sr=8-3

https://en.wikipedia.org/wiki/Macintosh_SE#Models

I don't know if the RAM module was bundled with any of those cassetes or purchased separately.

No markings, but it looks well-made...not something hacked together in a garage. It's two pieces. The drive is screwed to one piece that slides freely inside the other piece which is mounted ontop of the upper floppy drive via screws through those two tabs sticking out of the bottom and the...

My SE SuperDrive had this 40MB Quantum HD installed in it on this red anodized aluminum "sled" that mounted ontop of the upper floppy drive and just barely fit under the CRT (both floppies were still installed):

I was about to start a new thread asking what this weird video cable I just found in this box of cables was :LOL:

PM incoming

Thanks...figures both mouser and digikey are out of them.

I guess the silver lining is this is the first system I've encountered with battery damage: The chassis is pretty much completely rusted-out. I cleaned up the logic board a bit with vinegar and isopropyl: The NuBus adapter had some damage as well. I scrubbed some of the corrosion off...