From:	Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Reading Disk Sectors
Organization:	Pin Eight Software http://pineight.8m.com/
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NNTP-Posting-Date:	Tue, 05 Dec 2000 15:03:38 GMT
Distribution:	world
Date:	Tue, 05 Dec 2000 15:03:39 GMT
To:	djgpp AT delorie DOT com
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Reply-To:	djgpp AT delorie DOT com

On Sun, 3 Dec 2000 18:47:44 -0000, "Clive Minnican"
<clive_minnican AT hotmail DOT com> wrote:

>"DJ Delorie" <dj AT delorie DOT com> wrote in message
>news:200012011859 DOT NAA20531 AT envy DOT delorie DOT com...
>>
>> The first sector is sector 1, not sector 0.
>
>Thanks, I changed it around and everything now works fine. How come the
>format for sector is inconsistent with track and side, ie they start
>numbering from 0, is that how the original bios functions work?

IIRC, some old IBM mainframes stored a track's header in sector 0.
IBM BIOS kept this method (first data sector in a track is number 1)
presumably for source compatibility.

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