From: szigiszabolcs@gmail.com (SZIGETI Szabolcs)
Subject: [TUHS] MS-DOS
Date: Sat, 2 Jul 2016 06:37:47 +0200 [thread overview]
Message-ID: <CAKt831FjUuJMgaVBp+_kpuY=Szgw9kuec61S3qUHQJWV+EV0Tg@mail.gmail.com> (raw)
In-Reply-To: <alpine.BSF.2.11.1607020947330.87292@aneurin.horsfall.org>
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Hi,
I think that only worked on the Commodore 64 and likes, where the drive did
not use the index hole to identify the start of sectors/tracks. Punching a
hole there was much harder operation, than cutting a new write protect
notch.
Szanolcs
2016.07.02. 2:16 ezt írta ("Dave Horsfall" <dave at horsfall.org>):
> On Fri, 1 Jul 2016, Marc Rochkind wrote:
>
> > Those original floppies were I believe 160K. If you paid extra, the box
> > would hold two drives. Later, IBM introduced double-sided drives, at
> > 320K each.
>
> Those in the know, of course, simply put a notch on the opposite side.
>
> --
> Dave Horsfall DTM (VK2KFU) "Those who don't understand security will
> suffer."
>
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next prev parent reply other threads:[~2016-07-02 4:37 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-29 15:17 [TUHS] Algol68 vs. C at Bell Labs scj
2016-06-30 5:06 ` Dave Horsfall
2016-06-30 5:08 ` John Cowan
2016-06-30 11:18 ` arnold
2016-06-30 11:45 ` arnold
2016-06-30 13:22 ` Clem Cole
2016-06-30 14:05 ` Marc Rochkind
2016-06-30 14:33 ` William Cheswick
2016-06-30 14:43 ` Ronald Natalie
2016-06-30 14:57 ` Joerg Schilling
2016-06-30 15:07 ` Ori Idan
2016-06-30 23:07 ` Dave Horsfall
2016-07-01 3:27 ` Jesus Cea
2016-06-30 15:32 ` Dan Cross
2016-06-30 15:49 ` Larry McVoy
2016-06-30 16:32 ` Clem Cole
2016-07-04 5:08 ` [TUHS] OS for IBM PC (was: Algol68 vs. C at Bell Labs) Greg 'groggy' Lehey
2016-06-30 17:07 ` [TUHS] Algol68 vs. C at Bell Labs John Cowan
2016-06-30 17:57 ` Marc Rochkind
2016-06-30 18:31 ` Dan Cross
2016-06-30 19:21 ` Clem Cole
2016-06-30 19:51 ` Dan Cross
2016-06-30 19:55 ` Clem Cole
2016-06-30 20:04 ` Dan Cross
2016-06-30 18:26 ` Steve Nickolas
2016-06-30 19:21 ` Diomidis Spinellis
2016-06-30 19:43 ` Dan Cross
2016-06-30 19:53 ` Clem Cole
2016-06-30 19:47 ` Clem Cole
2016-06-30 20:57 ` Nemo
2016-06-30 23:11 ` Random832
2016-06-30 23:16 ` Marc Rochkind
2016-06-30 23:38 ` Random832
2016-07-01 0:38 ` Clem Cole
2016-07-01 1:21 ` Marc Rochkind
2016-07-01 1:34 ` John Cowan
2016-07-04 19:23 ` Dave Horsfall
2016-07-04 19:56 ` Ronald Natalie
2016-07-01 2:35 ` Nemo
2016-07-01 3:01 ` Kurt H Maier
2016-07-01 3:52 ` Lyndon Nerenberg
2016-07-01 12:47 ` [TUHS] MS-DOS William Cheswick
2016-07-01 13:43 ` Marc Rochkind
2016-07-01 21:58 ` John Cowan
2016-07-01 22:27 ` Jacob Ritorto
2016-07-01 22:54 ` Jacob Goense
2016-07-01 23:44 ` John Cowan
2016-07-02 0:08 ` Steve Nickolas
2016-07-02 1:09 ` Kurt H Maier
2016-07-02 2:59 ` Dave Horsfall
2016-07-02 3:27 ` Greg 'groggy' Lehey
2016-07-02 23:21 ` Dave Horsfall
2016-07-01 23:49 ` Dave Horsfall
2016-07-02 1:12 ` Steve Nickolas
2016-07-02 4:37 ` SZIGETI Szabolcs [this message]
2016-07-02 9:53 ` Brantley Coile
2016-07-01 13:47 ` Clem Cole
2016-07-01 15:13 ` Steve Nickolas
2016-07-02 15:25 ` Ronald Natalie
2016-07-02 15:32 ` Steve Nickolas
2016-07-02 19:46 ` Nemo
2016-07-03 1:18 ` Steve Nickolas
2016-07-03 13:33 ` Nemo
2016-07-01 17:39 ` John Cowan
2016-07-02 15:17 ` Ronald Natalie
2016-07-03 22:07 ` Derek Fawcus
2016-07-02 23:32 ` [TUHS] Algol68 vs. C at Bell Labs Peter Jeremy
2016-06-30 15:52 ` Joerg Schilling
2016-06-30 20:47 ` Lawrence Stewart
2016-07-02 0:12 [TUHS] MS-DOS Norman Wilson
2016-07-02 1:13 ` Steve Nickolas
2016-07-02 4:52 ` Random832
2016-07-03 19:40 ` scj
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