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Date:      Sat, 18 Mar 1995 01:54:21 +1000
From:      Bruce Evans <bde@zeta.org.au>
To:        bugs@FreeBSD.org, gineoh@engin.umich.edu
Subject:   Re: Can't install 2.0-RELEASE on EIDE HD
Message-ID:  <199503171554.BAA22809@godzilla.zeta.org.au>

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>drive.  Here's the default CMOS geometry:

>	cylndrs		heads	sectors		size
>	 525		 64	  63	        1083 megabytes

>problem is FreeBSD says it can't handle 64 heads and reverts to 16 in 
>which case it will then not boot from the hard disk.  I have tried 

Yes, it can't handle 64 heads, and it makes matters worse by reverting
to 16 heads without correspondingly adjusting the number of sectors and
cylinders.  64 heads used to be a configuration error.

This configuration might work iff the BSD partition starts on the first
head on the first cylinder, i.e., on a sectore < 63.

>setting the cmos to 16 heads and 2100 cylinders which seems to work for 
>BSD and allows me use of the entire disk, but then the DOS partition 
>doesn't work.  I have tried writing my own partition table with different 

This confguration might work if all bootable partitions are keep below
cylinder 1024.

Bruce



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