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Date:      Wed, 25 Feb 2004 19:26:34 +0200
From:      "Vitali Malicky" <life@zone3000.net>
To:        "Alan" <abgrover@cc.usu.edu>, <freebsd-config@freebsd.org>
Subject:   Re: freebsd fdisk won't recognize my disk geometry
Message-ID:  <00b701c3fbc4$83ff3c10$2401010a@zone3000.net>
References:  <403E1EE0@webster.usu.edu>

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Hey, is this FreeBSD-5.2?

If so read carefully the message it wants to tell you.
Just find your disk geometry in the BIOS and then in fdisk you just enter
the BIOS values by hand
At least it did the trick with my installation. The OS works ok till up to
now.

WBR

----- Original Message -----
From: "Alan" <abgrover@cc.usu.edu>
To: <freebsd-config@freebsd.org>
Sent: Wednesday, February 25, 2004 4:30 PM
Subject: freebsd fdisk won't recognize my disk geometry


> I'm trying out Freebsd for the first time, and have run into an
installation
> snag.  The fdisk program doesn't like the drive geometries provided by the
> bios.
>
> The bios reports the following for my two drives:
>
> disk1 (ad0):
> WDC WD400EB-00CPF0
> 40022 Mb
> cyl: 19158
> head: 16
> precomp: 0
> landing zone: 19157
> sector: 255
>
> disk2 (ad1):
> Maxtor 6Y080P0
> 81 Gb
> cyl: 39236
> head: 16
> precomp: 0
> landing zone: 39235
> sector: 255
>
> freebsd fdisk for ad0 gives me a warning:
> A geometry of 77545/16/63 for ad0 is incorrect.  Using a more likely
geometry,
> etc.
>
> The "more likely" geometry it selects is:
> 4865/255/63
>
> for ad1:
> A geometry of 158816/16/63 for ad1 is incorrect.  Etc.
>
> The more likely geometry is:
> 9964/255/63
>
> If I use the geometry command to try to change the geometry to what bios
> reports I get the same error, and it goes back to the more likely
geometry.
>
> Any idea what's going on here?
>
> Alan Grover
>
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