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Or removable hard disk cassettes the size of LPs Posted by MI-Roger [Email] (#882) [Profile/Gallery] (more from MI-Roger) on Tue, 27 Mar 2012 09:36:55 In Reply to: I've worked with 8" floppies, JerseySaab [Profile/Gallery] , Tue, 27 Mar 2012 06:37:32 Members do not see ads below this line. - Help Keep This Site Online - Signup |
I can't remember the model number of the old DEC hard drives but they contained a stack of common axis discs in a removable cassette that dropped into the top of the drive.
The discs were nearly as large as 33-1/3 RPM LPs, which are pretty rare nowadays themselves.
The PDP1134 processor had only 256K of RAM, but it was "solid core", meaning it was 256,000 tiny magnetic donuts - each one threaded onto the intersection of two cris-crossed wires so each donut could be individually accessed by the conbination of the two wires.
And the nightmares of programming in Fortran-IV using punch cards where the 9-pin dot matrix printer which labeled the top of the card could not make identifiable differences between ( and < or between , and .
posted by 198.208.25...
_______________________________________ Saabs owned: 2008 9-5 Aero Sedan, sold at 227K miles 2006 9-3SC 2.0T - Wife's daily driver 2000 Viggen Convertible - Sold May, 2022 1964 Quantum IV Formula Car - Retirement project 2000 9-5lpt Sedan, sold at 318K miles
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