Date: Sat, 6 Feb 2010 15:26:21 +0100 From: ms80 <ms80@dynamik.sytes.net> To: freebsd-questions@freebsd.org Subject: Re: amd64: Fatal Trap 12 in high load situations Message-ID: <201002061526.21613.ms80@dynamik.sytes.net> In-Reply-To: <hkjrah$rsm$1@ger.gmane.org> References: <201002061017.05737.ms80@dynamik.sytes.net> <201002061218.20866.ms80@dynamik.sytes.net> <hkjrah$rsm$1@ger.gmane.org>
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Am Saturday 06 February 2010 14:37:16 schrob Michael Powell: > ms80 wrote: [snip] > > There seems to be a general feeling the newer AMD processors don't much > care for higher memory voltages. Try lowering your voltages and see if it > helps. > > I am successfully using this board with the CPU clock set at 240MHz, which > with the x14 multiplier results in 3.36GHz operation. The Hypertransport > and FSB bus speeds are 2400MHz and the memory is running at 1599MHz at the > x6.66 multiplier. When I get the RAM up to 1680MHz is where I can get it > to freeze. As long as I don't do that it is totally stable. > > -Mike > > My CPU is an AMD Phenom II X 4 905e. Its (default) settings are: CPU Clock Ratio (Auto) 2500MHz CPU Northbridge Freq. (Auto) 2000MHz CPU Host Clock Contr. (Auto) HT Link Width (Auto) HT Link Freq. (Auto) 2000MHz Memory Clock (x6.66 ) 1333MHz I set the DDR3 voltage to auto, now it shows about 1.58V. Testing will take a little bit. Thank you for the hint. regards, Sven -- 00
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