Date: Tue, 12 Aug 2003 18:42:01 +0300
Message-ID: <3F28427C0000944B@webmail-fi2.sol.no1.asap-asp.net>
In-Reply-To: <20030812091056.GA13487@atrey.karlin.mff.cuni.cz>
From: zipa24@suomi24.fi
Subject: RE: Hangup on nforce2 UDMA
To: linux-kernel@vger.kernel.org
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Heip!

>I have nforce2 motherboard Soltek SL75FRN2-L with MCP southbridge. Using
>2.4.21 with AMD 74xx driver for IDE. If I leave the UDMA5 (UATA-100)
>setting BIOS leaves on the IDE disk I can hangup the machine almost
>deterministically with
>
>cat /dev/hda > /dev/null 

I have nForce2 motherboard ASUS A7N8X Deluxe, and I have a similar problem.


>When UDMA is disabled in BIOS, I get lower performance of 17MB/s instead
>of 40MB/s. I have also tried IGNORE word93 Validation BITS and AMD Viper
>ATA-66 Override and none helped.

I could 'fix' the problem by doing "hdparm -qd1qk1qX67 /dev/hd[ab]" in initrc
which reduced the theoretical speed 'only' to 44.4MB/s.


>Cl<

// /

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