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Article #33969

Re: Bugs in new BETA ROMS?

#33969
From: Thomas_E_Zerucha
Date: Wed, 07 Sep 1988 00:17
15 lines
1249 bytes
I have just checked out exactly what MY PC wanted in the way of bytes to
recognize an IBM disk, and as far as I know, Byte 0 has to be 0xEB, and
byte 2 has to be 0x90 in the boot sector (from an 11/28/85 formatted disk
on the ST).  That's it.  (The EB is a short jump to the real boot code,
byte 1 would be the displacement; the 90 I have no idea about).

You can try changing these with a sector editor.  If your PC doesn't recognize
this, then perhaps it is time you changed your BIOS.  (Perhaps real release
copies of both PC and ST software might help things - an article in the
current "Computer Shopper" indicates problems with software from Sham Shui Po).

(I am also not absolutely sure that *both* of the above bytes are necessary,
it seemed to accept the disk after reporting an error with only 90H there,
but that wasn't consistent).
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Message-ID: <8819@cup.portal.com>
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!portal!cup.portal.com!Thomas_E_Zerucha
References: <561@accelerator.eng.ohio-state.edu> <679@otto.lvsun.com>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!portal!cup.portal.com!Thomas_E_Zerucha
From: Thomas_E_Zerucha@cup.portal.com
Newsgroups: comp.sys.atari.st
Subject: Re: Bugs in new BETA ROMS?
Message-ID: <8819@cup.portal.com>
Date: 7 Sep 88 00:17:36 GMT
References: <561@accelerator.eng.ohio-state.edu> <679@otto.lvsun.com>
Organization: The Portal System (TM)
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