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Date: Mon, 17 May 2004 17:26:58 +0200
From: "Prakash K. Cheemplavam" <PrakashKC@gmx.de>
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To: Jesse Allen <the3dfxdude@hotmail.com>
CC: Ross Dickson <ross@datscreative.com.au>, Len Brown <len.brown@intel.com>,
       a.verweij@student.tudelft.nl, Craig Bradney <cbradney@zip.com.au>,
       christian.kroener@tu-harburg.de, linux-kernel@vger.kernel.org,
       "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>,
       Jamie Lokier <jamie@shareable.org>, Daniel Drake <dan@reactivated.net>,
       Ian Kumlien <pomac@vapor.com>, Allen Martin <AMartin@nvidia.com>
Subject: Re: IO-APIC on nforce2 [PATCH] + [PATCH] for nmi_debug=1 + [PATCH]
 for idle=C1halt, 2.6.5
References: <Pine.GHP.4.44.0404271807470.6154-100000@elektron.its.tudelft.nl> <200404282133.34887.ross@datscreative.com.au> <20040428205938.GA1995@tesore.local> <200404292144.37479.ross@datscreative.com.au> <20040429202413.GA1982@tesore.local> <40916638.2040202@gmx.de> <20040503204520.GA1994@tesore.local>
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Hi all,

I just made an interesting finding and would like to have comments from 
NVidia:

Chip   Current Value   New Value
C17       1F0FFF01     1F01FF01
C18D      9F0FFF01     9F01FF01

In fact I have the newer chip revision (lspci says c1), but due to a 
post at Abit Forums I tried to use the value for the older revision on 
my board, and guess what: I never had such low idle temps! I am 
currently even using nvidia binary graphics driver and usually I would 
be having around 49-51°C idle temp, but now it is around 45°C, and it 
was not the first boot (then the mobo usually shows 5°C less). Instead 
the temp steadily fell from >50°C to 45°C.

(esp @nvidia:) Is there anything evil using the old chip's value for the 
new chip? So far I haven't noticed any bad thing about it. Perhaps some 
daring nforce2 user with the new revision should try as well.


bye,

Prakash