20 Apr
2018
20 Apr
'18
9:17 p.m.
I don't even remember a drum for any UNIBUS system. We had a RF-11 fixed head disk
on our PDP-11/45 and augmented that with a "bulk core" box that looked like the
RF-11 to the system as well.
Drums were usually fixed head, although those UNIVACers out there will remember the
Fastrand drums which had flying head. Massive units looked like 6' lengths of sewer
pipe covered in iron oxide.
It was sort of the basis of UNIVAC storage units.