maki

I can't help with the blue screen of death problem, but this one I know, happened to me too :) The pads are being held on the PCB with...

Yeah the recoil can hit the PCB and take away traces, especially when they're hot. I use a manual desolder pump with a flexible silicon...

I don't believe there was any delamination. I watched some vids and tutorials on how to use a hot air station to keep the heat even...

You've used tools that are quite dangerous in inexperienced hands. It does sound very fixable though (unless you did real damage with...

Sounds very fixable for someone more experienced.

Reflowed the back up rams and installed a new 74hc32A and I am no longer getting the bram error :) Progress over perfection ❤️ Now I...

Thought I replied to this thread yesterday but guess I forgot to hit the post button. The error is pointing to the lower 2k ram chip...

Address is the same: 8000h, the value changed from the wiki link: IMO the smaller 2K are the ones to focus on.

Bummer, did the address change? If so, its usually the IC, if the address hasn't changed, it wasn't the IC. Apart from rotten traces...

I did check the OE and CE signals and got what was expected so I was a bit confused as to what to do next. Think I will take them off...

https://github.com/jwestfall69/neogeo-diag-bios/blob/master/docs/ram.md

so that was a quick fix and yay! Replaced the Upper RAM and no change. Replaced the Lower RAM and fixed <3

I noticed that you're on fire recently, you go! :) I'd check each signal that its present at the slot, easy to do, just turn it on and...

If you're comfortable taking them off and on again, its a good opportunity to swap them and see if the error changes (broken traces vs...

I am going to take them off and see if its a trace issue as all the continuity checks passed from a quick pass I did a week back. Going...