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No, the GPU's themselves go bad on the 2011's, there are a few fixes that disable the dGPU on them (e.g: https://realmacmods.com/macbook-2011-radeon-gpu-disable/) it theory you can replace the dGPU but good luck finding a genuine supplier of the chip, most available are rebadged pulls I'll drop...

Bad solder joints on U8900 are a common source of intermittent video issues on there The way I diagnose this (your mileage may vary) is to tap fairly hard on the board around the CPU with the unit running (U8900 is on the other side of the board in this area) if this causes you to loose video...

Anyone know the part number for the PGA-128 socket for the 68030? I may be in need of a few some day soon.... Edit: I'll add that I know peconnectors stocks them, but as they don't ship to the UK i'm looking to see if I can source them in the EU/UK

Wonder what could be going on here......

The board has now been fully tested, everything on it works with no issues! Now that's how I like my V1.0 boards :)

I finally managed to get a board assembled enough to test: I didn't really expect it to work, after all V1.0 boards rarely work out of the box however I flicked the switch and was extremely surprised to hear a clear chime! But I was getting a solid white screen.... The I realised I hadn't...

Board layout files, as well the the KiCad files for the schematic are now available :) https://github.com/max234252/MacLC-Reloaded These are provided under a non-commercial license however if you provide repair services and want to provide these boards (Or want to use them for any other...

And we have schematics! I have literally just finished drawing these and have not extensively checked over them so there will likely be errors (If you do find any let me know and I'll fix them :) )

Yeah I can ship to the US, shipping from the UK is expensive though (would likely be around £10-15.....) so if one can be found locally that might be better cost wise! I just had a flick through @Mac84's video and the 27C400 is indeed the correct EPROM

Where in the world are you? AFAIK the correct EPROM is a 27C400, they aren't hard to find but you'll likley only be able to get them from china, the real difficulty is the common EPROM programmer (the TL866) dose not support these out the box and you need to get a programming adapter. I have...

PCB's are finally here! :)

I've been there! I have a full 5k reel of 4k7 0603's because I needed about 4 once :) Sure! :)

So the LC board currently has no schematics available, I thought it's about time that changes! This is going to take ages.... I have got used to how easy it is to work in sprint, going back to using KiCad is kind of painful. That single simple page took a few hours to draw (And I just noticed I...

Got myself a couple of prime, museum quality specimens here 😂

Hey @cc333 great to see you here :) So, onto the classic II now then? :)

Whoops, forgot that one...... :) However, I can now post a picture of a fully assembled V1.2 board: The good news is that it works just fine! No patch wires and no weird NVRAM issues :)

This is the one I got: https://www.ebay.co.uk/itm/401906276099 It's pretty much the cheapest stereo microscope with a boom arm amscope sells but I have been very happy with it so far

Your always welcome to send it my way, those TSSOP48 parts are no match for my microscope and FX-951 :)