On Mon, Mar 27, 2017 at 8:59 AM, Philipp Hachtmann via cctalk <cctalk@classiccmp.org> wrote: > Hm, interesting point of view... The 11/20 is the simplest 11 as far as I > know. No microcode that can go bad.
Yep. Simple and spread across multiple cards. > The core memory systems are quite reliable. And if there's a problem, > they're not that difficult to fix. I liken them to OMNIBUS core in terms of repair complexity. You _can_ fix them, but the analog nature of the devices put some people off. There are things to learn for certain. > A pdp11/34, /44 or any QBUS machine can ever be as cool as a 11/20, 11/40, > 11/45/, /70 and so on. Agreed, though at least the 11/34 can have a programmer's panel. Not as cool as individual lights... -ethan