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Can you post a picture of the deflection board? trying to fix a cap issue on one here

I know this may sound crazy but [CAREFULLY] reflow the CUDA chip with fresh solder and flux. If this doesn't fix your issue which it may not, leave the system plugged in with the power switch on for say 20 minutes. Come back to the machine and flip the switch off then back on and connect your...

Try that first, if not I think I have a spare chassis laying around.

I'll bet the edge connector has dirt or debris in it I know it may sound crazy but blow it out carefully. I had a similar issue on my Color Classic and this solved my issue. Also inspect the edge connector for any damage to the pins.

Can you take a photo front and back of the card?

Middle row towards left side I see two bridged pins. Make sure you check for breaks.

Those will work! Let us know how it turns out.

With something like that I’d just replace the connector. This is because if you solder to that or replace the pins (which are imbedded in the plastic as it is they will just snap. A new connector can be purchased HERE for $1.98. Some flux, disordering wick, and a bit of patience and it will be...

Most things can be fixed sometimes it’s not pretty but most can be saved.

Can you provide some phots, I'm sure it's fixable

I suppose you could I know it’s not perfect so feel free to alter it. I like the locking tab as it snaps it into place but shouldn’t really be an issue if you remove it like you said the friction alone holds it and you are correct it does.

Hey everyone made this little adapter for BlueSCSI V2. Best part is if you choose not to use the Color Classic style drive sled you can flip it upside down and use the mounting holes like a normal hard drive. Download Link Here Here it is running in my Power Macintosh 7300/180

Both looking at the ROM image and the fact that it was discovered internally at Commodore Labs. There were prototype IEEE drives being developed for use in the 720D. Some of the early examples of the boards did in fact have this "8250 Mini" riser board but mine is an earlier variation before...

Hey everyone not a big commodore person (no offense) but I have this prototype board from 8250 development looks like they were slimming it down for other computers in their lineup. I don’t know much about it or its history but if someone is interested in preserving it or buying it I’d love to...

Well max and I basically have it finalized I have a working unit and so does he. I recall he will be selling these when he gets to it (as we all know he does a lot especially reverse engineering). But design is pretty much final and good to go.

Beat me to it @max1zzz is 100% correct an early board.

Wow I didn't even know about this thank you @JustG for mentioning it and @dosdude1 for creating this neat little solution!

I think THIS is a great solution I've ordered one for my TAM. Plus at USD $15.00 it's quite a bargain.

Actually I agree with what you say but remember the drive is a smaller 2.5 style sized drive.