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Ah yeah I forgot to mention that in my post. I reflowed all solder joints, and some of the large ones were visibly cracked.

How bad was the corrosion from leaking caps? I had one with quite a bit of corrosion, I recapped it and it worked fine for a while, then failed. I opened it back up and found one very questionable trace which I then repaired, and then I scraped away the big patches of corrosion down to bare...

I'm glad to know I'm not the only one that does this. 😅 I also never tighten the case screws much, just until they touch the case. It makes it much easier to remove the case next time. And there is always a next time.

Bring on the downvotes... 😀 It is very possible to transfer files from a modern Windows PC to a vintage Mac using either a Floppy Emu or BlueSCSI (or other SCSI emulators). It is not nearly as easy as using a bridge system, but I do not have room for a bridge system so I use what I have. I...

Pics, as requested.

Cool machine. The floppy drive on top looks like an 800k drive, so your Mac may have been upgraded to a 512ke.

Thanks, I'll check that before I open it up.

I have a recapped PSU in my IIsi and it has been working fine since the recap - it's been a few months, but probably only 10 hours of run time. The machine has a NuBus adapter and 8*24 video card. Yesterday while I was using it the machine restarted and then went into a restart loop where it...

Depends on whether it is running a 16 or 32 kible-bit bus.

Here are some MacBench 2.0 benchmarks of my Color Classic with a Sonnet Presto LC 040 accelerator. This is not the Presto Plus, so there is no RAM on the card. This causes a significant bottle neck since the '040 is accessing the RAM through the 16 bit data bus. I compared the accelerated CC...

The LEM article I sneakily linked to above talks about using this card in an LC, LC II, and CC. It specifically mentions being able to address 12mb in an LC II, and while it doesn't directly say this is not the case in the LC or CC, it does imply so with the language: "access to 12 MB of memory...

I tried both v3.1 and v3.2 of the drivers, v3.1 seems to be stable. v3.2 freezes on boot under both System 7.1 and 7.5.5. With the driver v3.1 (and also 2.0.1) the card seems not to work with Snooper 2.0 or Apple Personal Diagnostics 1.1.1. They both crash every time I try to do a system...

Sure I can take some pics. The card is a Presto and not a Presto Plus, so I am not sure if it carries the same value. Without onboard RAM on the Presto the machine is still limited to 10mb. It is a full 68040 and not the sans-FPU 68LC040, so that's nice. Not that I will ever be working with...

A couple months ago I was browsing Offer Up and ran across a Color Classic. I had never been a huge fan and did not intend to add one to my collection of compact Macs, but I figured what the hell and went ahead and bought it. The case was in good condition with mild yellowing, no damage. The...

It would be really cool if someone turned that into a working machine. The logic board is in there, I am not sure how you would connect the video out to the LCD display, but I'm sure someone smarter than me could figure it out. You would also need to find a way to connect the keyboard to the...

Problem solved, the wire from the flyback to the CRT had popped out. It doesn't seem to clip in as securely as on the 9" Macs so I must not have seated it properly. Thanks for the suggestion @defor.

I recently got my Color Classic working thanks to a new logic board from @defor. The machine was working fine, though it was making a whining noise. It was not a mechanical whine, there was no HD in the machine and it was not a bearing whine coming from the fan. I put the machine away for a...

There was a Mac II version, though I could not find a specific NuBus card model 5251. I do think you are correct though, and based on the lack of search results for the NuBus version I think it is probably quite rare.

There were a ton of after market RAM upgrades for the 512k/ke, I'm not sure if any went over 2mb, but 1mb was very common. If you're ever bored, browse through the early issues of Macuser and Mac World that are archived online, it's cool to see all the different upgrade products that were...

Did you have any luck fixing your crash issues? I have a Sonnet Presto that was in a Color Classic I recently purchased. I did a fresh install of System 7.1 with the proper CC enabler. The only extension installed is the Sonnet Presto 2.0.1 driver. I haven't tried a newer driver, I just now...