I have seen lots of small differences between machines with no real explanation of why.
> On Sep 12, 2023, at 10:11 AM, Bill Degnan via cctalk <cctalk@classiccmp.org> > wrote: > > The recent Ebay auction for the original PDP-8 got my attention because one > of the photos (the processor logic flipchip array) is a nice snapshot for > comparison purposes with the system I am working on. > > https://vintagecomputer.net/digital/pdp-8/PDP-8_flip-chips_left.png (mine) > https://vintagecomputer.net/temp/EBAYPDP-8ProcessorFlipchips.jpg > > Given my PDP-8 is close to working, I would assume that the Ebay PDP-8 > would have a fighting chance, at least as far as the flip chip > configuration goes. This is also a nice confirmation that I more or less > have the flipchips in the right places. There are only a few slight > differences. > > Bill
