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Opteron 170 LCB9E NAKED - Page 3

post #21 of 27
Thread Starter 
One more screenshot, very soon after which I stopped the test to allow the AS5 a cool-down.

I'm considering lowering the VCore one setting down, just to see if it will work. I don' really know how low the floor for the VCore is, but it'll be interesting to see if it stays stable even further below stock and at 2.8GHz.

Amazing, really...
    
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post #22 of 27
Thread Starter 
This CPU just continues to amaze.

It didn't crash at 1.33V VCore, even after three hours of Orthos testing.

I decided to go down to 1.30V VCore (1.100V in BIOS +.2V VCore Overvolt).

It's running Orthos right now. I'll report back in a few hours; hopefully it won't crash at this low of a VCore setting.

Just amazing... 2.8GHz @ 1.33V. 1.30V would just be even more amazing.



This is the giddiest I've ever felt as far as overclocking goes!

EDIT: Interestingly, temperature readings seem unaffected by the voltage decreases. On the other hand, ambient temperatures feel like they're quite a bit warmer than they were last night, when this whole experiment started. I'd estimate the ambient temperature to be around 82-85 degrees F in my bedroom, up by about five degrees compared to last night. Consequently, it's a little tough to correlate temperature measurements and VCore decreases.
    
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post #23 of 27
Thread Starter 
I just stopped a 12-hour Orthos run with the CPU @ 2.800GHz at a 1.300V VCore setting (1.100V in BIOS + .2V VCore Overvolt). No errors.

Could it be that this chip has a stock VCore much much lower than the nominal 1.35V VCore?

I've read some reports of LCB9Es needing even less than 1.3V stock voltage. Does anyone here have an LCB9E with similar findings? Please report in if so.

What started out as an experimental decapitation (IHS removal for the uninitiated) has turned out to be a major surprise, and the revelation of a true golden chip!
    
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post #24 of 27
Quote:
Originally Posted by txtmstrjoe View Post
I just stopped a 12-hour Orthos run with the CPU @ 2.800GHz at a 1.300V VCore setting (1.100V in BIOS + .2V VCore Overvolt). No errors.

Could it be that this chip has a stock VCore much much lower than the nominal 1.35V VCore?

I've read some reports of LCB9Es needing even less than 1.3V stock voltage. Does anyone here have an LCB9E with similar findings? Please report in if so.

What started out as an experimental decapitation (IHS removal for the uninitiated) has turned out to be a major surprise, and the revelation of a true golden chip!
I ran my 165 at 1.1v, 2.4ghz for about a week. Temps were only about 1-2C lower so I just went back to stock voltage.
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post #25 of 27
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Quote:
Originally Posted by Mootsfox View Post
I ran my 165 at 1.1v, 2.4ghz for about a week. Temps were only about 1-2C lower so I just went back to stock voltage.
Hey Moots!

Does that include a .2V VCore overvolt as well, or no? And was it stable?
    
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post #26 of 27
Quote:
Originally Posted by txtmstrjoe View Post
Hey Moots!

Does that include a .2V VCore overvolt as well, or no? And was it stable?
No, my board doesn't have the overvolt feature. What you set the voltages to are about what they come out too, although it can be .05v higher on odd ones or something. As for stable, kinda. I would get random shut downs, but I could play games and Orthos for 3 hours brought up no issues. Since there was no huge decrease in temps, I just decided to run at stock, or slightly lower, 1.3v.
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post #27 of 27
Thread Starter 
Quote:
Originally Posted by Mootsfox View Post
No, my board doesn't have the overvolt feature. What you set the voltages to are about what they come out too, although it can be .05v higher on odd ones or something. As for stable, kinda. I would get random shut downs, but I could play games and Orthos for 3 hours brought up no issues. Since there was no huge decrease in temps, I just decided to run at stock, or slightly lower, 1.3v.
Thanks for the info!
    
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