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Date:      Sun, 3 Dec 1995 13:40:41 -0700 (MST)
From:      Terry Lambert <terry@lambert.org>
To:        tpr@picspc01.pics.com (Terry Rossi)
Cc:        freebsd-questions@FreeBSD.org
Subject:   Re: Solution: Large IDE & 2.1.0
Message-ID:  <199512032040.NAA09018@phaeton.artisoft.com>
In-Reply-To: <199512030708.CAA00845@picspc01.pics.com> from "Terry Rossi" at Dec 3, 95 02:08:17 am

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> This probably applies to all 2.0+ versions of FreeBSD, but I am
> many others have been having problems with IDE disks over the 
> magic 1024 cylinder mark.  I have searched the archives on
> www.freebsd.org and not come up with much, so I hope this will
> help someone.  I was attempting to install 2 1.2gb IDE drives
> Maxtor 7126 and a SamSung.  First the samsung started reporting
> hard errors towards the end of the disk, so I ran bad144 -s and
> it reported "too many errors in this slice"...
> So I ripped it out and tried the Maxtor.  Same problem.
> So I ripped out the MB and Controller and replaced it with
> a Pent 120 with on-board IDE.  Same had the same problem.
>  
> Come to find out it was a setting in the CMOS that *appears*
> to have fixed the problems.  "IDE Block Mode" (enabled/disabled)
> After disabling this the problem went away.

I believe you will find that the chip on your IDE controller is an
RZ1000.  This is a known bug with that chip.

Other known IDE controller bugs are things like lack of bus buffers
on the cheaper models, etc..


					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.



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