On Sat, 07 Sep 2002 12:22:05 +0200 Olaf Marzocchi <[EMAIL PROTECTED]> wrote:
> I always bought 360k disks and formatted as 720kb! > It was useful because you can copy 3.5" 720kb disks into those old > pizzas... (5.25"). Due to remote access problems and Earthlink/Mindspring blocking SMTP port, I was off-list for a while (details at http://pfortin.com/Linux/PostFix/pop-before-smtp)... I haven't checked the archives; but here's some old stuff: - IBM 407: programming done on a plugboard; complexity was measured by how much the plugboard weighed. - IBM 026/029 card punches: programmable drum for fast data entry - Sorter: did 1/4 million card passes one weekend -- many jams :^P - IBM 1401(?): tube computer -- 2 used in NORAD (North Bay, ON) -- room temp. would reach 150F in 2 minutes if A/C failed; used a wall (approx 5'x10-15' IIRC) of neon bulbs to display status -- dumping core consisted of a Polaroid picture. Drum memory (drum approx 2' in diameter and 2' high) had 90MPH surface speed. IBM 360/67: first VM machine AFAIK Interdata: one of the first non-DEC machines to run UNIX, IIRC I still have my bamboo-core slide rule. :^) Pierre
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