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I will post my method as soon as I get a chance to do the write-up. In terms of the original color, the “platinum” gear like the mouse you have should appear light grey in normal daylight (e.g., light through your windows).

I’ve had similar issues in the past when using the “standard” peroxide/UV combination, resulting in weird bright spots and streaks, brittle plastic, and in some cases, severe over-bleaching (plastic actually ending up much lighter color than the original). Unfortunately, in my experience, there...

I too ended up just replacing the chip (actually twice because I messed up the first flash). I just used my Mac to flash it using the flash utility. I used this rom. https://www.digikey.com/en/products/detail/winbond-electronics/W25X20CLSNIG/3008613

What did you do to make it show up on the external monitor? It wasn’t working at all before, right? Did you try it with an Apple CRT (if you have one handy)?

Those look right to me. The data sheet says 30mm spacing, which should be about right. I didn't buy mine, I just stole them off some donor boards. In my case, the holes were slightly too close to make the two holders sit cleanly side by side, so I had to bend the leads slightly sideways to...

You can compare the board revisions here: Rev A, Rev B. The MMU is the big black chip right above the CPU. The PMMU would be gold and would be labeled MC68851. Yours looks to be the original configuration which came with 2MB, upgradable to 8MB. The 68851 was later offered as an upgrade to...

Congrats!! I too am especially fond of the OG Macintosh II and have a similar history with it. Looks like you have the Rev A board which is the better of the two since it has no surface mount caps. I never replaced any caps and most people agree that it's not needed. The batteries are...

Ignore my post, I looked it up and apparently pure IPA is non-conductive. Learned something new today.

Oh, had no idea. This is so cool. I will be setting this up tonight to do some browsing. Just like the old times except it won't take me several hours for a 100MB download, LOL. Thanks!!

Ha, what blast from the past!!! Didn’t know if anybody here remembers HOTLINE. It was so much fun. There were even some private servers for people with similar interests that formed great little communities. And pretty much Mac exclusive.

Congrats! AFAIK, those cards very common in Japan. I have a couple of them myself and they are very solid. They will also sit quite comfortably on top of an accelerator like the Diimo. Add one of those and a CD ROM drive like the AppleCD and it’s the ultimate 68K setup. If you don’t mind...

Thanks guys. This was more of a fun experiment, I mean what else am I supposed to do with my time? Obviously the SEs are pretty blazing fast running at twice the speed of stock SE/30 (and over 9 times their own stock speed). I have a couple SE/30s that are way more pimped out, but I have a...

So I tried two different brands of crystal oscillators, and the card wouldn’t run at 40 or 50Mhz. I get a chime and then a sad mac screen. So @Phipli you may have been right about some other components on the card not wanting to run at higher clock speeds. Of course, I could have done...

Are these prices really that shocking? Some of these items are very rare (e.g., the micron card), and some people want it bad enough to pay a hefty price when they pop up once in a blue moon. Also, not everyone cares about the “market value” (if there is such a thing). It’s not like there...

Weird. My LC II with TransWarp 4300 @40Mhz (with cache) scores about 10% better than the IIfx. I would expect a 040 @20Mhz to be at least as fast if not faster. By the way, mine looked just as bad before recap. That one corner of the board was disgusting.

Oh, I missed that, sorry.

Yes, it’s possible. Would it work on your specific card? Not sure. I’ve now done it on two different SE accelerators. One upgraded from 16Mhz to 33Mhz, and one from 25Mhz to 33Mhz I’m about to attempt 50Mhz by the end of the week as soon as I get my new oscillators (ordered wrong ones the...

We’ll have to agree to disagree. I’ve been dishwashing boards since the 90s, and I never, ever, not once, had an issue. Not have any of my friends who have been doing the same. This was before the internet and the word of mouth among computer enthusiasts has always been that dishwashing...

In my experience, a dishwasher does an amazing job of cleaning boards. What I usually do is use a dry paintbrush all over the board, then a dry toothbrush on more stubborn spots. You'd be surprised how much rust a dry toothbrush can remove (rubbing very lightly). Then I throw it into the...

Yikes. I made the same mistake before. Since then, I have a mental checklist that I perform every time I plug in a compact with the case off. Anode cap (I pull in it to make sure it’s secure) Neck board power Neck board ground PSU ground Deflection yoke power It’s certainly possible that...