This guy - he's a hacker.
The documentation for these old machines was truly amazing.
It's not quite as involved as this 11/04, but still a lot of fun. I'm not having much like right now though!
Plus the banter:
"You done yet?"
"Two more. Got a screwdriver?"
"No. How 'bout a rum and coke?"
"What's this power switch do?"
"Haha, very funny."
If the author reads this, consider turning those photograph PNGs into JPEG. There is no reason not to. Also resize them so they are not resized by the browser but shown 1:1.
Were oscillators back then expensive, unreliable, or it's another reason for not using one?
So either your next clock pulse is when a humanoid hits a button or when a delay line times out.
Can't just gate in a clock using a "AND" because of jitter and syncing is more trouble than its worth.
I never worked on this model so this is just semi-educated guess.
Funny how their (then) new system needed its predecessor to get it up and running...
The 730 was the lowest end of the line, designed for folks who couldn't afford a full 780 (or 750, software developers often). It's often cited as the slowest real 32-bit production machine.