PDP-8s and -10s

[William Donzelli]

> You mean, analogous to CDC's PPUs?  One guess: that wasn't an option
> on the PDP-6, and the 10 is the compatible successor to the 6.

Yes, good example. 

I do not think adding some sort of -8 powered channel stuff to the KA
would have disrupted things much at all - there just was not a huge number
of PDP-6 installations to disrupt. Likewise, they could have included
backwards compatibility.

William Donzelli
aw288 at osfn.org