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post #21 of 25
Max CPU NB Vid is 1.35v for Denebs but I seen some use 1.375v.

Anything over 1.55v on the CPU voltage should be using a custom liquid cooling loop.

Your load core temps are what count and on Denebs I believe max core temp is 55c.
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post #22 of 25
So much mis information....

1.55v max vcore.
1.55v max CPU-NB.
I wouldn't raise regular NB too terribly much over stock. You shouldn't need to, not with a 15x multiplier. 266 x 15 is 4.0GHz. Your board should be able to pull off 266 HTT Clock easy enough on stock NB volts.

It's the CPU-NB voltage that most people screw with, and its safe up to 1.55v, same as vcore. It's still on the same die as the core is. It's just your IMC on the CPU. Screwing with CPU-NB voltage is beneficial for NB clock speed, and RAM speed / timings.

And good luck getting to 4.0. I couldn't get my Athlon stable there even with 1.65v. Got it to suicide up to 4.2 though with 1.725v. I wouldn't worry at 1.575-1.60v honestly, not if you keep it cool enough. It's just a $30 dual core anyway. I ran my Athlon quad at 1.60v 24/7 for over a year without any issues at all, clocked at 3.85GHz with the L3 cache unlocked.
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post #23 of 25
Thread Starter 
Quote:
Originally Posted by pioneerisloud View Post

So much mis information....
1.55v max vcore.
1.55v max CPU-NB.
I wouldn't raise regular NB too terribly much over stock. You shouldn't need to, not with a 15x multiplier. 266 x 15 is 4.0GHz. Your board should be able to pull off 266 HTT Clock easy enough on stock NB volts.
It's the CPU-NB voltage that most people screw with, and its safe up to 1.55v, same as vcore. It's still on the same die as the core is. It's just your IMC on the CPU. Screwing with CPU-NB voltage is beneficial for NB clock speed, and RAM speed / timings.
And good luck getting to 4.0. I couldn't get my Athlon stable there even with 1.65v. Got it to suicide up to 4.2 though with 1.725v. I wouldn't worry at 1.575-1.60v honestly, not if you keep it cool enough. It's just a $30 dual core anyway. I ran my Athlon quad at 1.60v 24/7 for over a year without any issues at all, clocked at 3.85GHz with the L3 cache unlocked.

thank you this has helped so much so far i can only get in windows @ 4 willbsod or fail prime i ahve not tried anything over 1.6.. and my board will not boot between 255 and 268 htt so i am using 283 to make 3961@1.55 and nb is 2830 but now i know i can do 1.55 on cpu-nb so i am going to try push for as close to 3000..

here is cpu-z http://valid.canardpc.com/show_oc.php?id=2324223
post #24 of 25
Quote:
Originally Posted by skyline_king88 View Post

Quote:
Originally Posted by pioneerisloud View Post

So much mis information....
1.55v max vcore.
1.55v max CPU-NB.
I wouldn't raise regular NB too terribly much over stock. You shouldn't need to, not with a 15x multiplier. 266 x 15 is 4.0GHz. Your board should be able to pull off 266 HTT Clock easy enough on stock NB volts.
It's the CPU-NB voltage that most people screw with, and its safe up to 1.55v, same as vcore. It's still on the same die as the core is. It's just your IMC on the CPU. Screwing with CPU-NB voltage is beneficial for NB clock speed, and RAM speed / timings.
And good luck getting to 4.0. I couldn't get my Athlon stable there even with 1.65v. Got it to suicide up to 4.2 though with 1.725v. I wouldn't worry at 1.575-1.60v honestly, not if you keep it cool enough. It's just a $30 dual core anyway. I ran my Athlon quad at 1.60v 24/7 for over a year without any issues at all, clocked at 3.85GHz with the L3 cache unlocked.

thank you this has helped so much so far i can only get in windows @ 4 willbsod or fail prime i ahve not tried anything over 1.6.. and my board will not boot between 255 and 268 htt so i am using 283 to make 3961@1.55 and nb is 2830 but now i know i can do 1.55 on cpu-nb so i am going to try push for as close to 3000..

here is cpu-z http://valid.canardpc.com/show_oc.php?id=2324223

I really don't think you're going to get your NB stable that high. Might want to try lowering the NB some first, get the CPU clock where you want it at (and stable). Then up the NB, and try again with that raised. I still don't think 4.0 is going to happen, but you never know.

My Athlon quad was a GOOD chip, and it did 3.85GHz with 2.75GHz NB at 1.60v vcore / 1.45v CPU-NB (more didn't help).
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Junkyard
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NAStradamous
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HTPC01
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CPUMotherboardGraphicsRAM
Intel i5 2320 @ 3.1GHz MSI B75MA-E33 HIS HD7970 3GB @ 1050 / 1700, 1.17v Patriot 2x4GB DDR3-1066 
Hard DriveHard DriveOptical DriveCooling
Crucial MX100 256GB WD Green 2TB DVDRW Corsair H50 Push / Pull 
CoolingOSMonitorMonitor
NZXT 120mm fans strapped to stock 7970 cooler Windows 10 Pro Dell 3007WFP Dell 2007FP 
MonitorKeyboardPowerCase
Dell 2007FP Cheap Toshiba (R.I.P. Ducky) PC Power & Cooling Silencer MKIII 950w Cheap Garbage (free) 
MouseAudio
Logitech G602 Yardsale Special 
CPUMotherboardGraphicsRAM
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Hard DriveHard DriveOptical DriveCooling
60GB Kingston SSD 1TB Seagate Samsung DVDRW CoolerMaster Gemin II 
OSMonitorKeyboardPower
Windows 8.1 + Steam Big Picture / Plex HT 50" Insignia LED 1080p Logitech Rosewill Green 530w 
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Silverstone HTPC Logitech Pioneer 2.0 tower speakers + 135w RMS Rosewill MCE Remote 
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post #25 of 25
Thread Starter 
Well. I have given up on 4.0 so ivam fine tune to get as close as. I can. So far 2800 on nb 3933 on cpu and 1500 on ram

To get it on ram I need 1.7 tho. And help to get lower timings I can go 9 8 8 23

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