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Phenom II Overclocking Guide - Page 18

post #171 of 253
Thnx mate. Np, Ill check in here everyday, since im always here anyways

Happy holiday
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post #172 of 253
First off, great guide, just got a few questions, since I am a total newb to overclocking

I have a 955 (should be C3) and I would like to bump it up from 3.2 to 3.5/3.6, just a mild overclock. I hear that the BIOS is better than amd overdrive when overclocking and keeping it stable, but there's I am getting conflicting results. If I increase the multiplier from 16 to 18 in BIOS, the core voltage increases from the stock 1.380V to 1.452. But if I increase the multiplier in amd overdrive, the voltage does not change at all.

Is this normal? Or are there some other settings that I may need to change for a desired overclock and stability? When I am in BIOS, I touch nothing else other than the multiplier (which is named CPU ratio), so is this recommended?

Thanks
Edited by sanghai2 - 8/17/10 at 1:36am
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post #173 of 253
Thread Starter 
Quote:
Originally Posted by sanghai2 View Post
First off, great guide, just got a few questions, since I am a total newb to overclocking

I have a 955 (should be C3) and I would like to bump it up from 3.2 to 3.5/3.6, just a mild overclock. I hear that the BIOS is better than amd overdrive when overclocking and keeping it stable, but there's I am getting conflicting results. If I increase the multiplier from 16 to 18 in BIOS, the core voltage increases from the stock 1.380V to 1.452. But if I increase the multiplier in amd overdrive, the voltage does not change at all.

Is this normal? Or are there some other settings that I may need to change for a desired overclock and stability? When I am in BIOS, I touch nothing else other than the multiplier (which is named CPU ratio), so is this recommended?

Thanks
First off, welcome to the forum. This place is great.

As for your problem, I would first ask if you have left your vcore set at auto. I have seen boards set the vcore incorrectly on auto many times, and I'm pretty sure that is what is happening to you right now. Just go ahead and set it manually and see how that works.

Good luck .
post #174 of 253
Yes that seemed to the problem, it was on offset. I adjusted it to manual, but I have another issue, again with the voltage. When manually setting the vcore, I get a different voltage than the one which I input. For example, if I plug in 1.400 and reboot, BIOS sets it as 1.368. But if I increase it by just ONE notch in the BIOS, it jumps out to 1.416. So what gives?
Edited by sanghai2 - 8/18/10 at 12:51am
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post #175 of 253
have you disabled AMD Cool'n Quiet?
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post #176 of 253
Yes I have

EDIT:
Just to clarify what I mean, see the below picture (not my own picture). Firstly I changed "CPU & NB Voltage Mode" from offset to manual. If I adjust "CPU Offset Voltage" to 1.400 and reboot, the gray number will be 1.368, while the blue one will be 1.400.

http://www.overclockersclub.com/vima...o_usb3/b26.jpg
Edited by sanghai2 - 8/18/10 at 5:49am
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post #177 of 253
Thread Starter 
Quote:
Originally Posted by sanghai2 View Post
Yes that seemed to the problem, it was on offset. I adjusted it to manual, but I have another issue, again with the voltage. When manually setting the vcore, I get a different voltage than the one which I input. For example, if I plug in 1.400 and reboot, BIOS sets it as 1.368. But if I increase it by just ONE notch in the BIOS, it jumps out to 1.416. So what gives?
Well, I'm glad that we got the first part figured out .

What size are your vcore adjustments in your BIOS? Since I'm unfamiliar with your BIOS I don't know exactly what and where all of the settings are that you need in the BIOS.

Is there anywhere where you can change just the cpu vcore, rather than the offset? The offset is *usually* the difference from the normal vcore that it will add or subtract (if vcore is 1.35v and you use an offset of .05, your vcore is 1.4v).

I'm not sure why your vcore sets itself at the wrong voltage until you hit 1.416v, but it you might get some good info on that from your motherboards manual.

In the meantime, I would just use 1.416v since that isn't very high and see if you can't get that 3.6ish OC that you've been wanting.

Good luck
post #178 of 253
Well the setting is on manual already, not offset, so that isn't the problem. The mobo's manual doesn't help much as well, all it says is that it can range from 0-2V with 0.003V (or something) increments. Anyway, I just wanted to see what the problem was, the overclock seems quite stable at 3.6ghz on 1.42V, just wanted to see if I could get it any lower to reduce power/temps. Thanks!
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CPUMotherboardGraphicsRAM
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post #179 of 253
Got a quick question,
I am stability testing while clocking my Amd Cpu for the first time and I am at 3.6ghz fairly easy. I have my voltage set at 1.4v.

I am only using 3dmark06 at this point.

The issue is that in the middle of the firefly (Second graphics test) the screen got pretty retardo colored and then the program stopped running and a message that it stopped running followed. But no bsod and no shut down or lock up. It just went back to the desktop. I do have my PCIe frequency set at 105 but I do that because it helps get into the OS on Intel boards. I set the PCIe freq to 110 sometimes on Intel boards. I used to set my older AMD boards PCIe Freq to 105 so I figured that wouldnt be a problem.
Question is... Has anyone ever experienced this before or is this yet another thing unique to me?

Thanks for your help and this guide! saved me hours of learning!!

Edit- I am running a diamond 5770 and its a GT open air card. I have never had any issues with diamond but have with other 5770s. The same ones complained about by other 5770 owners So I know those issues and its not related to those. This 5770 is new. IN fact the whole PC is new and SO AM I To overclocking AMD systems!
Edited by abeeftec - 8/29/10 at 1:48am
post #180 of 253
What is your memory and what voltages??? most AMD boards dont default to the higher voltage for DDR3.... my board gives me a red warning when I am running my memory at the specified voltage from the manufacture. thats not even upping it to try and OC it...

most DDR3 is around 1.6V or 1.65V (depending on speed and timings) and I think most AMD boards default to 1.5V....

What OS are you running? is it compatible? I know W7 does not like the quick changes from bit color and sizes (for me at least)....
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Phenom II X4 965  GIGABYTE GA-790FXTA-UD5 MSI R9 285 CORSAIR DOMINATOR DDR3 
Hard DriveHard DriveOptical DriveOptical Drive
Spinpoint F3 Crucial C300 SSD Samsung SH-S243N/BEBS Samsung SH-S243N/BEBS 
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Corsair H50 Windows 7-64bit Ultimate Samsung P2450H ASUS VS248H-P 
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CPUMotherboardGraphicsRAM
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Hard DriveOptical DriveOSMonitor
500 Gig - Samsung F3 Plextor DVD-R/RW Windows XP Pro (32Bit) POS 17" 
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Mouse Pad
Steel Series 
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Main Frame
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Slave Frame
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CPUMotherboardGraphicsRAM
Phenom II X4 965  GIGABYTE GA-790FXTA-UD5 MSI R9 285 CORSAIR DOMINATOR DDR3 
Hard DriveHard DriveOptical DriveOptical Drive
Spinpoint F3 Crucial C300 SSD Samsung SH-S243N/BEBS Samsung SH-S243N/BEBS 
CoolingOSMonitorMonitor
Corsair H50 Windows 7-64bit Ultimate Samsung P2450H ASUS VS248H-P 
KeyboardPowerCaseMouse
Microsoft Bluetooth (First gen) BFG EX-1200 Thermaltake Black Armor Logitech G700 
CPUMotherboardGraphicsRAM
Athlon 3700+ Abit Fatilty SLI 9600 GSO (48SP) 4 x 1 Gb DDR OCZ Platnium 
Hard DriveOptical DriveOSMonitor
500 Gig - Samsung F3 Plextor DVD-R/RW Windows XP Pro (32Bit) POS 17" 
KeyboardPowerCaseMouse
$5 special at Target XFX 750Watt CM Scout Storm Logitech 
Mouse Pad
Steel Series 
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