From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 17159 invoked from network); 2 Jun 2020 18:59:55 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 2 Jun 2020 18:59:55 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id B836F9CAE5; Wed, 3 Jun 2020 04:59:54 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 0A2CC9CA44; Wed, 3 Jun 2020 04:59:41 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="HVGKvppl"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 47A359CA44; Wed, 3 Jun 2020 04:59:39 +1000 (AEST) Received: from mail-ua1-f50.google.com (mail-ua1-f50.google.com [209.85.222.50]) by minnie.tuhs.org (Postfix) with ESMTPS id D563B9C96B for ; Wed, 3 Jun 2020 04:59:38 +1000 (AEST) Received: by mail-ua1-f50.google.com with SMTP id d8so1591636uam.12 for ; Tue, 02 Jun 2020 11:59:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=6uLYWGt48TQnVjIJnWZ8Cy96DhTJbWiIcCiq87/BpA0=; b=HVGKvpplI5rGBBdpK6Fo77H8h4qbxoCEd7K1xq2ItkrbNI4SOwDS6XHWO8/566HOtQ 16lePqovh2iBLwFCbvRdaugWPCC/6RFUUdfJ5v7e5P3FU0m5PnhlVC8DOeF6ogzNKEjB q/2Ux7VsK92N03rLuk62O5ja5AsyQaaUsexj8KTfk4yB61PinE6Cu+dlktQZOWwrJTyw 6WuNGCn5I/zV49/taDy19p+DJIl7W/TLbaYKS8gSm+Efv6MpR9kDn14OjK1PaQVhv4A9 djhZ7EffA5JvAF3KsFkM2V6SbItUrd3QakmrXkYk0Leyln3ywD/AefP+HQMVKHuQ4kTS LM9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=6uLYWGt48TQnVjIJnWZ8Cy96DhTJbWiIcCiq87/BpA0=; b=s5R8Kj6CO3zTfsCIXkYENj4NbaXIq4vg8UbiwbjAC+RKFKh7DeiVptP7T9/7M1jkPg AsDJPr+SciWEPtMD0IsFZUN1iN4/aNASUTQCMT5NK1lgN/wsM05pqLsy87iXsi9R/Hl7 uh4+s72Ef4VWS5Z4c/kKfmiqG4Mr1go2QCDNPdRnQazC/hCegywCjbRyuUNydU0GoDiH V/uEcJjL39RXhXWCjqVBjQSQmHZ1QPcoQRYkMhkJdeRr+3rPfn3eXO8rDiVvbkEjqEgD q7nMj20tdKCYVQGcvLoWM7tKOMBpmm+fKxsSO92Q+JCrrDKc8POltnGuu+yIm53egri8 durQ== X-Gm-Message-State: AOAM530RIrMzMV8JXUnvP/4s2MDhVflW3kZacNu9Dg8rrjXORvqynCmw OE7vPRt0Gpy8In6ut2WvM+TX7RMCnjMF1uzT8NU= X-Google-Smtp-Source: ABdhPJz/gn+9LoX6gvCHK6muc8gYMBGwRjgLk7wGmiZhx6tAcJdvc/G1MqmaELrN7WpyJ4fppywzsDiHou7c4Tik5R4= X-Received: by 2002:ab0:2748:: with SMTP id c8mr2642844uap.137.1591124377962; Tue, 02 Jun 2020 11:59:37 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:ab0:2b92:0:0:0:0:0 with HTTP; Tue, 2 Jun 2020 11:59:37 -0700 (PDT) In-Reply-To: References: From: Paul Winalski Date: Tue, 2 Jun 2020 14:59:37 -0400 Message-ID: To: Ronald Natalie Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [TUHS] DEC RL01/RL02 RX01/RX02 Disk Image Creator X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: TUHS main list Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" On 6/2/20, Ronald Natalie wrote: > > Except on the RX=E2=80=99s. 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.