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Date:      Tue, 26 Apr 2005 22:59:48 +0000
From:      Aaron Sloan <security@adtu.org>
To:        W C <woodycarey@hotmail.com>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: VIA M1000 mini-itx system installation woes - WRITE_DMA error -	cabling?
Message-ID:  <426EC7E4.90005@adtu.org>
In-Reply-To: <BAY102-F266489846554E24E0A0F95C9210@phx.gbl>
References:  <BAY102-F266489846554E24E0A0F95C9210@phx.gbl>

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W C wrote:
> Hi all,
> 
> I am attempting to install 5.3-R from cd (iso image download)  and 
> sysinstall is failing
> to write the chosen (Auto Layout) filesystem to disk, the Toshiba 80G on 
> the primary ide channel as master.   The error on vty1 is (from memory) 
> ad0: WRITE_DMA, error=84.
> The drive is detected by BIOS as a UDMA100 device.  There is nothing 
> else on this IDE channel, and only a cd drive on the other IDE slot.
> 
> A search of -questions reveals this error is a UDMA mismatch, possible 
> caused by 80-pin cabling, and fixable with atacontrol ad0 udma33 pio bla 
> bla bla.  However, I do not yet have a running system to run atacontrol 
> from, as I am installing.  I have rooted around in the bios for an 
> option to force the drive to UDMA33 speed, to no avail.  Does anyone 
> know how I can work around this problem and  install FreeBSD to this 
> neat little system?  Do I have bad cabling, a bad drive, or ???
> 
> Thanks for any follow-up questions, pointers, rants, RTFM's, etc.
> 
> Woody
> 
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My experience with these boards is that they are very picky about RAM.
I had similar problems as you have described. I ordered Crucial's 
recommended
stick and it worked fine after that.
Aaron



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