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From: Paul Winalski <paul.winalski@gmail.com>
To: Ronald Natalie <ron@ronnatalie.com>
Cc: TUHS main list <tuhs@minnie.tuhs.org>
Subject: Re: [TUHS] DEC RL01/RL02 RX01/RX02 Disk Image Creator
Date: Tue, 2 Jun 2020 14:59:37 -0400	[thread overview]
Message-ID: <CABH=_VQnSnRASpeX84fwAosGyYi=zzxc4_o8KD9JYNoFWekCow@mail.gmail.com> (raw)
In-Reply-To: <D5A39465-802B-4AE2-92DE-84D4BE27CB61@ronnatalie.com>

On 6/2/20, Ronald Natalie <ron@ronnatalie.com> wrote:
>
> Except on the RX’s.   The RX01 was 128 byte sectors and the later ones 256
> and a odd interleaving strategy.    However, the boot block and the rest of
> the file systems (both UNIX and RT at least)
> just aggregated the smaller (logical) sectors together to make a 512 byte
> one.

At least they all supported fixed-length sectors.  Was there ever a
Unix implementation that supported IBM-style CKD disk devices?

-Paul W.

  parent reply	other threads:[~2020-06-02 18:59 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-01 10:18 Paul Riley
2020-06-01 13:01 ` Ronald Natalie
2020-06-01 22:35   ` Paul Riley
2020-06-01 13:04 ` Clem Cole
2020-06-01 22:45   ` Paul Riley
2020-06-01 23:59     ` Ronald Natalie
2020-06-02  4:57       ` Paul Riley
2020-06-02 13:31     ` Clem Cole
2020-06-02 13:52     ` Clem Cole
2020-06-02 15:44       ` Ronald Natalie
2020-06-02 16:26         ` Warner Losh
2020-06-02 18:08         ` Clem Cole
2020-06-02 18:59         ` Paul Winalski [this message]
2020-06-02 19:08           ` Adam Thornton
2020-06-01 15:04 Paul Ruizendaal
2020-06-01 22:54 ` Paul Riley
2020-06-01 15:18 Paul Ruizendaal
2020-06-02  0:14 Noel Chiappa
2020-06-02  1:26 ` Ronald Natalie

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