I've just put together

Asus M2N8-VMX socket AM2
AMD Athlon X2 3600 AM2
2 x 512M PC6400 Elixir DDR2 800 SDRAM
Arctic Cooling Freezer 64 PRO PWM
600W PSU

I've managed to get it happy running 2 instances of Prime95 with
the clock @ 250 MHz, giving CPU clock of 2375 MHz.
The CPU temperature is staying in the low 40's centigrade.
I had to set the RAM to 667 in the Bios to achieve that speed.

The only issue I have is that when I restart the system it will
sometimes give a BIOS overclocking failure as it restarts.
This failure is intermittent and occurs with the clock as low as
218 MHz. It also fails with the multiplier @9 & 220 MHz.

Voltages/AsusProbe/Bios
3.3/3.31/3.31
5/5.00/4.99
12/12.93/12.86

Any clues about how to get it to restart reliably with a better
overclock than 218 MHz ?

Eric

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On Sat, 28 Apr 2007 11:44:23 +0100, Eric Parker wrote:

You didn't mention HT speed. if you are going to clock it at 250MHz, you
should lower the base Ht speed to 4x from 5x. That may be the problem.

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"Wes Newell" <w.newell (AT) TAKEOUTverizon (DOT) net> wrote


Hi Wes

Yes I forgot to mention it.
I changed the "MCP61(SB) to K8(CPU) Frequency" from 1000 to 800.
I assume that was the HT speed.
It did seem a little strange at the time, the options were 1000, 800,
400, 200.
No 600.

Eric

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