[TUHS] pseudo tty history

[Lawrence Stewart]

My favorite MIT 10 switch was something like “Split Sync Inhibit Enable Override”
Never saw it myself.  

It had something to do with atomic instructions that required “split sync”.

> On Aug 16, 2025, at 21:05, Larry McVoy <lm at mcvoy.com> wrote:
> 
> On Sat, Aug 16, 2025 at 08:21:30PM -0400, Aron Insinga wrote:
>> The PDP-6 had a sign on it that said something like "This machine
>> is old and flaky so don't touch it unless you know what you are doing."
> 
> Wasn't there a PDP-<something> at MIT, I think, that had a switch labeled
> "magic" and "more magic" that had wires that went nowhere but it only 
> worked when set to "more magic"?  I'm sure I have the details wrong but
> I have a pretty strong memory of that.  Anyone able to confirm?