I have recently come across this board with NTI logo and golden edge connectors. I think it's a Newton-made because it is the only replica with NTI logo and golden edge as far as I know. Can anyone help identifying it please?
Thank you
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I recently assembled a NEWTON replica board. The green color of mine is different and the color of the silk screen letter B too. The NTI logo is also on a slightly different position. But maybe your board is from an older batch? Where did you get it from? Is something written on the back side? If I am not mistaken there is Newton written somewhere. But i am not sure.i cannot check at the moment because I am on travel
I don't have the boards in my possession. Here are some more pictures and I'll ask the owner to send more of the back side.
900x674_fc0c2dc5-f9dc-4075-81ab-6d51e9477378.jpg
900x674_223bf686-e15f-4e65-bc4d-5e1ff2e619f4.jpg
... that is based on 74LSxxx ICs much as my most recent build which was subject of this thread:
https://www.applefritter.com/content/whats-issue-lsttl-apple-1
So others had the same idea to use LSTTL and were not discouraged by the naysayers. I still wonder who brought up the rumor that a 74LS161 won't work in the Apple-1. (Note this is not the same thing as the 74161 vs. 74161A issue as dicussed by Mike Willegal in his Apple-1 blog).
I also wonder how the builder of this clone got the ageing effect. Except for a few givaways any expert can immediately recognize as being clone-ish, it really looks old like an original.
Maybe he kept it outdoors for a while, exposed to the elements ?
If so, do the cheap stamped contact sockets still give reliable contacts ?
Pretty sure it's a Newton based on the way the traces are layed out.