After watching the wonderful @mac84tv video on the MIMMS iNSPIRE exhibit, I noticed this early Macintosh ii prototype.
I have to admit I got *very* excited, as this is only the second Macintosh ii prototype I've seen. (YACCintosh and the Big Mac technically don't count, as they're a different architecture)
(Thanks to Mac84 for sending me a few more photos of the exhibit!)
@penguin42 possibly due to costs, you wouldn't want to commit to a costly PCB without proving it works!
I also have a feeling this was the last time they actually did this.
The IIx was almost certainly a hack and slash of the original II board. Same with the IIcx!
@penguin42 at least with the original Macintosh design, they started with a similar Veroboard design and then brought in someone else to do the layout of the first Macintosh board:
"Later in 1981 we brought Colette Askeland over from the Apple-II/III division to lay out a Mac PCB"
https://folklore.org/Macintosh_Prototypes.html
So maybe they wanted to build Veroboard prototypes first before they started bothering other people for PCB layouts 😅
DosFox
penguin42