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| Path | csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail |
|---|---|
| From | Allodoxaphobia <trepidation@example.net> |
| Newsgroups | comp.os.linux.misc |
| Subject | Re: Blast From Past - IBM 670 Mag Drum Computer |
| Date | 3 Jul 2025 12:03:55 GMT |
| Lines | 33 |
| Message-ID | <slrn106csda.1c51.trepidation@vps.jonz.net> (permalink) |
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On Wed, 2 Jul 2025 23:30:45 -0400, c186282 wrote: > https://en.wikipedia.org/wiki/IBM_650 > > These were quite popular during the mid 50s up > until the early 60s. Compared to other brands > they were CHEAP - biz and schools could afford them. > First known install was for an insurance company. > > In truth, check the instruction set, they were > closer to what we'd now call a 'programmable > calculator' rather than a general-purpose computer. > However, cleverly employed, they could still be > very useful. > > Some of the instructions were very CISC ... like > 'PCH' for writing to a punch card. Clearly there > was a lot of hidden code that one instruction > evoked. > > Tubes/valves ... 125Khz, not Mhz or Ghz, clock > speed. Instruction speeds measured in milliseconds. > 1000 to 4000 WORDS of disk memory. Maybe around > 40 instructions per second ... > > A variety of add-on units. > > Odd base-10 decimal words. Program an emulator in > shitty Python on yer laptop and it'd be likely > thousands of times faster than the original unit :-) > > Oh, typical setup, *6000* pounds of metal. Plus 2000 pounds of airconditioning.
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Blast From Past - IBM 670 Mag Drum Computer c186282 <c186282@nnada.net> - 2025-07-02 23:30 -0400
Re: Blast From Past - IBM 670 Mag Drum Computer Allodoxaphobia <trepidation@example.net> - 2025-07-03 12:03 +0000
Re: Blast From Past - IBM 670 Mag Drum Computer rbowman <bowman@montana.com> - 2025-07-03 18:43 +0000
Re: Blast From Past - IBM 670 Mag Drum Computer c186282 <c186282@nnada.net> - 2025-07-05 02:14 -0400
Re: Blast From Past - IBM 670 Mag Drum Computer Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-07-05 13:30 +0000
Re: Blast From Past - IBM 670 Mag Drum Computer rbowman <bowman@montana.com> - 2025-07-05 18:05 +0000
Re: Blast From Past - IBM 670 Mag Drum Computer Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-07-05 13:25 -0700
Re: Blast From Past - IBM 670 Mag Drum Computer Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-07-06 00:20 +0000
Re: Blast From Past - IBM 670 Mag Drum Computer rbowman <bowman@montana.com> - 2025-07-06 03:38 +0000
Re: Blast From Past - IBM 670 Mag Drum Computer John Ames <commodorejohn@gmail.com> - 2025-07-07 09:09 -0700
Re: Blast From Past - IBM 670 Mag Drum Computer c186282 <c186282@nnada.net> - 2025-07-07 17:52 -0400
Re: Blast From Past - IBM 670 Mag Drum Computer rbowman <bowman@montana.com> - 2025-07-08 03:30 +0000
Re: Blast From Past - IBM 670 Mag Drum Computer c186282 <c186282@nnada.net> - 2025-07-08 01:55 -0400
Re: Blast From Past - IBM 670 Mag Drum Computer c186282 <c186282@nnada.net> - 2025-07-08 22:36 -0400
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