OTD 1975, Digital announces the #PDP-11/70.
With up to 4 Megabytes(!) of memory.
Princeton's PDP-11/45 had 80K bytes of memory. Ran UNIX just fine.
Discussion
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@aka_pugs The 11/74 was cancelled because it was to good compared to contemporary VAX models.
@larsbrinkhoff @aka_pugs A PDP-11/74 located in DEC’s Maynard Mill came uncomfortably close to falling into our conference room, based on the visible sagging of the ceiling.
And presumably then through the remaining floors in an ensuing and rapid vertical transit.
Load-spreading plates and slightly relocating the PDP-11 cabinetry onto the structural beams avoided that basementing.
PDP-11 boxes were not slow. Performance wasn’t the central issue that VAX-11 had fixed, resolving the limited PDP-11 addressing was. But few developers have fond memories of managing and debugging overlays and the RSX-11 task builder; of TKB.
@HoffmanLabs @aka_pugs What's the best way to accelerate a PDP-11/74?
9.8 m/s²
@larsbrinkhoff @HoffmanLabs @aka_pugs is that the velocity of the terminal?
@aka_pugs There was a time when I could toggle the bootstrap into one of those babies in a few seconds with my eyes closed.