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From: roelofs@nas.nasa.gov (Cave Newt)
Newsgroups: comp.os.os2.misc
Subject: Re: making an os/2 5.25" install disk from a 3.5" disk
Message-ID: <1991Jun6.012214.26957@nas.nasa.gov>
Date: 6 Jun 91 01:22:14 GMT
References: <457.2844fde8@mbcl.rutgers.edu> <91155.171811BP3@psuvm.psu.edu> <1991Jun04.231932.7260@comp.vuw.ac.nz>
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Conrad.Bullock@comp.vuw.ac.nz (Conrad Bullock) writes:

>Also, I have found that some Award BIOSes refuse to boot OS/2 off a 3.5"
>drive.

I can confirm this problem--the BIOS incorrectly identifies the drive as
having either 9 or 15 sectors per track (I forget which), instead of the
proper 18.  The strange thing is that there IS a correct drive parameter 
table buried in the BIOS; it just isn't used.  The problem exists in Award 
BIOS v2.00 but is claimed to be fixed in v2.30 and later.  I wouldn't know. 
:-)

It's possible (and even fairly simple) to rewrite the boot sector to avoid 
this (the thing's only 512 bytes long!), but I'd recommend trying to find 
a replacement BIOS, if possible.

Greg