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Re: Format of bootable Indy CDs?

To: Alex deVries <>
Subject: Re: Format of bootable Indy CDs?
From: "Maciej W. Rozycki" <>
Date: Fri, 27 Sep 2002 23:51:59 +0200 (MET DST)
Cc: Florian Lohoff <>,,
In-reply-to: <>
Organization: Technical University of Gdansk
Original-recipient: rfc822;
Reply-to: "Maciej W. Rozycki" <>
On Fri, 27 Sep 2002, Alex deVries wrote:

> I wrote the ISO you posted on an i386 box with cdrecord.  I suspect my 
> problem I didn't use set the blocksize to 512; exactly how did you burn 
> this CD?

 Blocks on CD media are always 2048 bytes long (disregarding correction
data).  The 512-byte block size as implemented by a few CD drives is
simply an ability to present chunks of native blocks in 512-byte amounts. 
This is just an artifical feature to fulfill a requirement of broken
firmware that asserts that disks have 512-byte sectors.

+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+        e-mail:, PGP key available        +

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