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Subject: Re: FX-60 AMD 5200 mhz

Author: Keith Ian Price

Date: 10:17:43 02/08/06

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On February 08, 2006 at 12:18:25, Dagh Nielsen wrote:

>On February 08, 2006 at 09:28:50, K. Burcham wrote:
>
>>
>>amazing hardware available today. I would like to see smp Rybka with this
>>processor. Also would be very curious to see how much depth increase will
>>increase strength with Rybka.
>>
>>One bonus which the Athlon64 FX-60 model has over prior Athlon64 X2 processors
>>is that the FX-60 is multiplier unlocked, giving overclockers a chance to push
>>their expensive new toys to even higher clock speeds if they so desire. The CPU
>>has a default multiplier of 13x (2.6 GHz), but can easily be pushed up to 13.5x
>>(2.7 GHz) or 14x (2.8 GHz) without bumping up voltages or needing extra cooling.
>>However, going beyond 2.8 GHz gets tricky, and typically will require hefty
>>boosts in voltage. We were able to get our chip up to 2.9 GHz (14.5x) by bumping
>>up the voltage from 1.35V to 1.45V. We were able to get the system to POST and
>>run shortly at 3.0 GHz clock speed, but the processor was highly unstable at
>>this speed.
>>
>>
>>AMD Athlon64 FX-60 (2.6 GHz)    23480
>>AMD Athlon64 X2 4800+ (2.4 GHz) 21670
>>AMD Athlon64 X2 4600+ (2.4 GHz) 21589
>>AMD Athlon64 X2 4400+ (2.2 GHz) 19912
>>AMD Athlon64 X2 4200+ (2.2 GHz) 19893
>>AMD Athlon64 X2 3800+ (2.0 GHz) 18032
>>Intel Pentium-D 950 (3.4 GHz)   17985
>>Intel Pentium-D 930 (3.2 GHz)   16974
>>Intel Pentium-D 920 (3.0 GHz)   15498
>>Intel Pentium-D 920 (2.8 GHz)   14874
>
>
>I'm going to assemble my system with an Opteron 170 processor on Friday, I hope
>to overclock to speeds around 2.7-2.8 as well without boosting voltage. I did
>buy quality RAM and motherboard, but my system is still quite a bit cheaper than
>a FX-60 system. According to reviews I read, FX-60 is not such an awesome
>overclocker; it currently simply seems very difficult to get an X2 chip
>performing at 3GH.
>
>Kind regards,
>Dagh Nielsen


Be careful of Opteron motherboards when overclocking chips without unlocked
multipliers. Many Opteron motherboards require registered memory, which becomes
unstable at front side bus speeds > 10% over normal. Does the 170 have 940 pins
or 939?

kp



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