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Date:      Thu, 25 May 2000 17:26:13 -0700
From:      "Nikolaus Spence" <nikolaus.spence@corp.freerealtime.com>
To:        <freebsd-hardware@freebsd.org>
Subject:   wrong disk geometry reported
Message-ID:  <NEBBKBPLELHGEGNFEOKBKEKPCAAA.nikolaus.spence@corp.freerealtime.com>

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I think I may have come across the first non-FreeBSD-compatible IDE disk
drive.  The Maxtor 15GB 7200RPM udma/66 drive.
p/n st0151500u

I am installing it as a second drive and fdisk does not see (or want to
beleive) the disk geometry.  The actual disk geometry is 29651/16/63 but
fdisk sees it as a 2GB drive with 2019/16/63.  I set the disk geometry in
fdisk and it still won't allow a partition bigger than 2GB.  The primary
disk in the system is another Maxtor 15GB drive which works fine.  Not the
same geometry but close.  It even comes up as 2019/16/63 in the dmesg. I
know the disk isn't bad because DOS/NT/Win98/BIOS sees it's full capacity.
When I just set the disk geometry, create no partitions, and save info, I
can restart fdisk and get 14xxx/7/14 geometry. These numbers are just
strange all together.  I figure that an IDE drive is an IDE drive and it's
size may vary but they all work so far for me.


Nikolaus Spence
System Administrator
FreeRealTime.com
http://www.freerealtime.com



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