Not keen on having 240v within touching distance, so tonight's job was to butcher an old ice cream tub to hold the PSU.

That PLCC is OK as far as I can tell, just some of the white gunk (thermal compound? glue?)


DiagROM looks useful, though I have no tools to burn ROM chips.

I will power up the machine and check the temperature of the RAM chips next.

Woohoo!

Well, I've fallen at the first hurdle. Can't get the metal shielding off. I've unscrewed every (accessible) screw, and straightened all the tabs that hold it on. Here's what it looks like now: Capture.PNG Three of the corners come up nicely but there is something holding it down near the power conne...

Thanks for the suggestions. I'll try all these things, and see where I get to.

Aled.

Long story short: I bought a 520STFM; it doesn't work, and I want to repair it. Here's what I know so far: 1. On powering the machine up, the motherboard LED comes on. There are no noises from the floppy and the floppy light does not come on. 2. When connected to an old TV with an analogue demodulat...

My plan is to collect working examples of all the computers I owned or used before about 1995. :welcomewave: This is pretty much what I did, I just need a TRS80 Model 1 to complete that collection. I may have 'accidentally' purchased one or two others along the way... Beware, you start out with goo...

exxos wrote: ↑Fri Aug 05, 2022 6:03 pm Knowing how problematic these machines are, the Land Rover may have been a simpler project

I do hope you're joking

Hi, quick introduction I'm here because I really wanted to buy an old Land Rover to restore. However that is well beyond my capabilities, and my wife's patience. So instead I bought a non-working Atari ST for £30. I figured I could offload it for parts if I couldn't do anything with it. My plan is t...