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Date:      Tue, 19 Aug 2003 09:07:59 -0400 (EDT)
From:      Jerry McAllister <jerrymc@clunix.cl.msu.edu>
To:        stickney@ece.arizona.edu
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Fdisk disagreas with BIOS over 120GB drive.
Message-ID:  <200308191308.h7JD80P9019500@clunix.cl.msu.edu>
In-Reply-To: <20030819080001.M89006@ece.arizona.edu> from "Robert Stickney" at Aug 19, 2003 01:18:16 AM

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> 
> Fdisk (using /stand/sysinstall) disagrees with the values my bios is 
> reporting.  My BIOS reports that my 120GB drive has this geometry: 59131 
> Cylendars, 16 Heads, and 255 sectors.  The drive is an IBM deskstar.  When i 
> try to enter the correct geometry, Fdisk gives me the message below. 

I hope someone with more detailed knowledge responds as well, but my 
experience says just take what FreeBSD's fdisk gives you.  The
geometry on "modern" disks is virtual as far as what you are dealing
with anyway.

////jerry

>  
> ---------start message--------- 
>  			        Message 
>      WARNING:  A geometry of 59131/16/255 for ad2 is incorrect.  Using 
>      a more likely geometry.  If this geometry is incorrect or you 
>      are unsure as to whether or not it's correct, please consult 
>      the Hardware Guide in the Documentation submenu or use the 
>      (G)eometry command to change it now. 
>  
>      Remember: you need to enter whatever your BIOS thinks the 
>      geometry is!  For IDE, it's what you were told in the BIOS 
>      setup. For SCSI, it's the translation mode your controller is 
>      using.  Do NOT use a ``physical geometry''. 
>      (100%) 
>                                 [  OK  ] 
>       			   Press enter or space 
> ----------end message---------- 
>  
> I am running freebsd 5.0. 
>  
> Thank you for you help, 
> Robert Stickney  
>  
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