Faulty Apollo 1240 25MHz Accelerator card

[Pat the Cat]

If that's one of their "successful" fixes, I dread to think what their failures look like.

Looks to me, they didn't even clean the whole board to begin with. Or afterwards either, to help future repairs. How can you solder to a dirty board, ever? They both look screwed to me. Fixable but fiddly work.

Be aware, there are some fixes required for A1200s for accelerator usage. Maybe "required" is wrong word, but they do help a lot with accelerators on that machine and are generally a BLOODY GOOD IDEA. Thank you again Mr Stedman.

http://www.ianstedman.co.uk/Amiga/amiga_hacks/A1200_Mobo_fix/a1200_mobo_fix.html

I have so got to get into repair service for Amigas. Got nearly all the skills, and quite frankly, the competition ain't that great, at least this side of the pond. They don't use bots to position tools for sure. Neither do I yet, but I'm working on that.

[Pat the Cat]

If you are looking for a more local fixer than Acii (USA) then you might find somebody willing to help at one of these.

https://wiki.hackerspaces.org/Scotland

Plenty people with skills and time on their hands sometimes, it's a question of getting access to tools to do the work. (Or having them.)

Even simple things like flux, flux cleaner, board cleaners. Makes a big difference to the quality of work. Right temperature, right solder (lead based/silver based, got to know both).

EDIT: Notice the EPROM chip with the sticker is kind of transparent? That might be root cause - your EPROM has got some erased bits in it from daylight maybe. If you look closely, you can see the round window underneath, the chip die, everything. Not a nice way to treat Mr EPROM chip. He is shy and likes to be covered up.

[Pat the Cat]

The Fixes are ugly, but might be good enough to be operational anyway if just a partially blanked EPROM.

That might certainly cause a grey screen, if the EPROM code doesn't ever finish executing. New copy of Mach 1.31 or Magnum or whatever might just fire the thing up.

Full upgrade to an 060 might be tempting, they do run a lot cooler and faster. Maybe long term. Phone Amikit, they're in the UK, they might be able to sort you something suitable sir.

[Pat the Cat]

What?  How!?  :banana:

You got to travel with cash to do that sort of stuff... Things like liquidation sales, military surplus, but especially, having connections in IT recycling.

It can pay well but it's hard work, and it takes a lot more than just an internet connection.