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Dave

I already have the 555 done and boards made

did you install the transistors or were they already in there, check that there in there correctly

What revision is your board I'm pretty sure it makes a difference as to how it gets wired

i have 65d and 65u 8" but don't have any extra disks., if you have drives and disks you can roll your own but its time consuming.



Grant

Hi Falter

Hi have backplanes. And if there is any interest I could do a run of keyboards

Grant

Bill has a schematic for his memory board here http://osiweb.org/osiforum/viewtopic.php?f=3&t=180 it will give you a idea of one design , i have used a version successfully on my 510 system

Hi Jeff, i bid on that , i wanted it to go along with my original unbuild SBII

Thanks for posting as it will help building the replica.

If you ever want to sell it contact me as it would complete my original collection.

Grant

Found the terminal for my 510 build, one less piece of the puzzle.

Any one here buy that manual that was on Ebay?

Thats about the only one i can't do, i am always on the look out for a programmer that could do one but they are rare and expensive on epay .
i have schematics for a couple different ones but that's down the road and still pricey . a adapter would probably be the best solution.