Absolutely - thanks again!

Hi I made a USB Socket mount for the Gotek , so you can keep the Floppy Drive in place. Heavy modding is required to the Gotek, and of course a hole needs to be cut out for the USB socket in the Case lid. I eyeballed this and adjusted the design to fit. For anyone else that might want to do this, I ...

Yep, I have a broken or corroded trace to that via, which made me think initially rhat it went nowhere.
Well, thanks for all the help, I really appreciate you taking the time.

Sorry for making you dig out a board to suck solder out needlessly

Aw man you're right it IS the same - Curse these eyes ! So sorry about that.
I really thought I was onto something there.

I must have a problem with that pad or trace in that case. Will re-check.

The 520ST schematic Is the best quality, but it does not include the blitter. But maybe you can use the remake schematic as its basically the same as the STF anyway. My Blitter now works! :yay2: Thanks Exxos - that Schematic turned up something interesting: blitpads.jpg ( Excuse the state of the pa...

exxos wrote: ↑Tue Jul 30, 2019 5:38 pm The 520ST schematic Is the best quality, but it does not include the blitter. But maybe you can use the remake schematic as its basically the same as the STF anyway.

wow thanks - nice work

Thank you both I really appreciate it - This is very frustrating ! Probably the thing to do is go around all the blitter pins with a scope and see if anything looks odd (the address bus will look like total crap anyway). Though there isn't much else it can be other than a bad solder somewhere. You s...

OK all 6 recommended SIL arrays are replaced. Unfortunately for me hasn't cured the issue. Heres a pic of what I see if it helps:
Exxos, anything else I could try? Thanks for the help so far!

Traced DTACK to RP1 on my board.

For anyone playing along at home Arrays to change (correct me if I'm wrong)

RP1 RP4 RP5 RP6 RP7 RP8

back in a min ....

Thank you - yes I see them , going to swap them over now