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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 758

Poll Results: Was this guide helpful?

Poll expired: Oct 17, 2012  
  • 80% (237)
    Yes (and I DO have an ASRock motherboard).
  • 15% (45)
    Yes (but I DO NOT have an ASRock motherboard).
  • 2% (7)
    No (and I DO have an ASRock motherboard).
  • 2% (7)
    No (but I DO NOT have an ASRock motherboard).
296 Total Votes  
post #7571 of 9536
Just got 5 AP-15s. Planning to plug them all on my motherboard (Z77-E4). How much of a risk would that be?
Neptune
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post #7572 of 9536
Allright, but I'm leaving for holidays now so the OC got to wait 1-2 weeks.

My turbo offset is on auto, I don't know what it does so I just left it on auto.

Edit: Happy holidays
post #7573 of 9536
Quote:
Originally Posted by soulstaker View Post

Just got 5 AP-15s. Planning to plug them all on my motherboard (Z77-E4). How much of a risk would that be?

Check the amperage draw from the fans. each fan header is good for 1 amp x12v = 12 watts.



if yours looks like this, then you are solid. you could plug 5 into each header thumb.gif
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Blue540
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Corsair Vengeance CMK32GX4M4B3200C16W Crucial MX100 WD Blue 1TB EK Supremacy EVO 
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post #7574 of 9536
Quote:
Originally Posted by inedenimadam View Post

Check the amperage draw from the fans. each fan header is good for 1 amp x12v = 12 watts.



if yours looks like this, then you are solid. you could plug 5 into each header thumb.gif


Nice. Yeah, mine are like that. Just need to wait them to get here then.


And while i'm at it, impressive overclock on that 3570k.
Neptune
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post #7575 of 9536
Hello

Awesome guide so thank you to the author and all contributors for making it easier to work this out thumb.gif

I was just wondering, do I even need the offset at +0.005v and turbo to +0.008 or whatever it was if I plan on staying at 4GHz with stock cooler? I ask because I saw 90°c last night during prime95 blend.

This is my first ever build and I'm surprised it even turned on in the first place, so as you might of guessed I know nothing about voltages and over clocking biggrin.gif

Z77 Extreme 4
3570k stock cooler
post #7576 of 9536
Quote:
Originally Posted by Smellycat1 View Post

Hello

Awesome guide so thank you to the author and all contributors for making it easier to work this out thumb.gif

I was just wondering, do I even need the offset at +0.005v and turbo to +0.008 or whatever it was if I plan on staying at 4GHz with stock cooler? I ask because I saw 90°c last night during prime95 blend.

This is my first ever build and I'm surprised it even turned on in the first place, so as you might of guessed I know nothing about voltages and over clocking biggrin.gif

Z77 Extreme 4
3570k stock cooler

yes and no. You need to have a number defined for both, as auto voltage leaves your motherboard in charge of the voltage...which might not be the optimal settings for your chip. The lowest you can go with turbo voltage is +.004. However, we can use a negative number for the offset voltage, and this will lower VCore delivery across every multiplier. This will allow you to have a lower loaded VCore and lower temps. This method does have a double edge, and you need to be aware that negative offset also lowers the idle VCore. Unlike load stability testing, there is no stress test program for idle stability, so you just have to let it sit, and do some menial tasks.

Just curious though...why even bother overclocking on the stock cooler...as you can tell the heat increase is hardly worth the 100mhz gain. Now that you know how to get your temperatures down some, I would highly advise that you replace that cooler as quick as possible. Aftermarket cooling will prolong the life of the chip and open up some headroom for some higher clocks. Its like you built a mustang and then put bicycle tires on it, you are severely limiting the potential of the build with that cooler.
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Blue540
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x99
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RAMHard DriveHard DriveCooling
Corsair Vengeance CMK32GX4M4B3200C16W Crucial MX100 WD Blue 1TB EK Supremacy EVO 
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Logitch G100S X-Trac Ripper 
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6400k msi A75MA-P33 Sapphire 6670 passive hynix 2 GB dual channel 
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post #7577 of 9536
Quote:
Originally Posted by inedenimadam View Post

yes and no. You need to have a number defined for both, as auto voltage leaves your motherboard in charge of the voltage...which might not be the optimal settings for your chip. The lowest you can go with turbo voltage is +.004. However, we can use a negative number for the offset voltage, and this will lower VCore delivery across every multiplier. This will allow you to have a lower loaded VCore and lower temps. This method does have a double edge, and you need to be aware that negative offset also lowers the idle VCore. Unlike load stability testing, there is no stress test program for idle stability, so you just have to let it sit, and do some menial tasks.

Just curious though...why even bother overclocking on the stock cooler...as you can tell the heat increase is hardly worth the 100mhz gain. Now that you know how to get your temperatures down some, I would highly advise that you replace that cooler as quick as possible. Aftermarket cooling will prolong the life of the chip and open up some headroom for some higher clocks. Its like you built a mustang and then put bicycle tires on it, you are severely limiting the potential of the build with that cooler.

Thanks for the info, I will try a negative offset thumb.gif at 1599.63 MHz core 0.888v with 6 - 8% load at the minute, does that seem ok or is that not relevant?

I have a Coolermaster Evo cooler on the way so I just fancied trying my hand at over clocking, isn't it a 600MHz rise over the stock 3.4GHz as I thought turbo only ran one core at 3.8GHz, or is that not correct?
post #7578 of 9536
Quote:
Originally Posted by Smellycat1 View Post

Quote:
Originally Posted by inedenimadam View Post

yes and no. You need to have a number defined for both, as auto voltage leaves your motherboard in charge of the voltage...which might not be the optimal settings for your chip. The lowest you can go with turbo voltage is +.004. However, we can use a negative number for the offset voltage, and this will lower VCore delivery across every multiplier. This will allow you to have a lower loaded VCore and lower temps. This method does have a double edge, and you need to be aware that negative offset also lowers the idle VCore. Unlike load stability testing, there is no stress test program for idle stability, so you just have to let it sit, and do some menial tasks.

Just curious though...why even bother overclocking on the stock cooler...as you can tell the heat increase is hardly worth the 100mhz gain. Now that you know how to get your temperatures down some, I would highly advise that you replace that cooler as quick as possible. Aftermarket cooling will prolong the life of the chip and open up some headroom for some higher clocks. Its like you built a mustang and then put bicycle tires on it, you are severely limiting the potential of the build with that cooler.

Thanks for the info, I will try a negative offset thumb.gif at 1599.63 MHz core 0.888v with 6 - 8% load at the minute, does that seem ok or is that not relevant?

I have a Coolermaster Evo cooler on the way so I just fancied trying my hand at over clocking, isn't it a 600MHz rise over the stock 3.4GHz as I thought turbo only ran one core at 3.8GHz, or is that not correct?

I think its 38 on one core, 37 on two cores, 36 on three, and 35 on all four. So you are correct, 200Mhz single thread upgrade, variable multithread upgrade. .888 is fine for idle VCore, but that is uninteresting. What we really want to know is your load VCore.

Before you go hog wild on the EXT4 motherboard, you should know that the board has voltage reporting issues. The board delivers more voltage than is reported in any software. It is a well documented phenomena that affects several itterations of the "Extreme" family motherboards, and is well documented here in the thread and several other places around the forums and general web. This wont affect you too much because the coolermaster evo will more than likely not allow you temperature headroom to push the type of voltages that could be dangerous. But, alll the same, be aware and do your research before you crank the voltage up.
Blue540
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x99
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B.M.O.
(10 items)
 
CPUMotherboardGraphicsGraphics
6800k ASUS X99-A EVGA 980 FTW ACX 2.0 EVGA 980 FTW ACX2.0 
RAMHard DriveHard DriveCooling
Corsair Vengeance CMK32GX4M4B3200C16W Crucial MX100 WD Blue 1TB EK Supremacy EVO 
CoolingCoolingCoolingOS
EK 480 PE EK 240 PE EK D5 Vario Windows 10 
MonitorKeyboardPowerCase
Samsung 49KU7500 (curved 4k) Corsair K65 NZXT Hale 90 V2 1000W Thermaltake X9 
MouseMouse Pad
Logitch G100S X-Trac Ripper 
CPUMotherboardGraphicsRAM
6400k msi A75MA-P33 Sapphire 6670 passive hynix 2 GB dual channel 
Hard DriveOSMonitorKeyboard
WD  windows 8.1 e-machine wireless 
PowerCase
king win 600w custom built 
  hide details  
Reply
Blue540
(14 items)
 
x99
(18 items)
 
B.M.O.
(10 items)
 
CPUMotherboardGraphicsGraphics
6800k ASUS X99-A EVGA 980 FTW ACX 2.0 EVGA 980 FTW ACX2.0 
RAMHard DriveHard DriveCooling
Corsair Vengeance CMK32GX4M4B3200C16W Crucial MX100 WD Blue 1TB EK Supremacy EVO 
CoolingCoolingCoolingOS
EK 480 PE EK 240 PE EK D5 Vario Windows 10 
MonitorKeyboardPowerCase
Samsung 49KU7500 (curved 4k) Corsair K65 NZXT Hale 90 V2 1000W Thermaltake X9 
MouseMouse Pad
Logitch G100S X-Trac Ripper 
CPUMotherboardGraphicsRAM
6400k msi A75MA-P33 Sapphire 6670 passive hynix 2 GB dual channel 
Hard DriveOSMonitorKeyboard
WD  windows 8.1 e-machine wireless 
PowerCase
king win 600w custom built 
  hide details  
Reply
post #7579 of 9536
Quote:
Originally Posted by inedenimadam View Post

I think its 38 on one core, 37 on two cores, 36 on three, and 35 on all four. So you are correct, 200Mhz single thread upgrade, variable multithread upgrade. .888 is fine for idle VCore, but that is uninteresting. What we really want to know is your load VCore.

Before you go hog wild on the EXT4 motherboard, you should know that the board has voltage reporting issues. The board delivers more voltage than is reported in any software. It is a well documented phenomena that affects several itterations of the "Extreme" family motherboards, and is well documented here in the thread and several other places around the forums and general web. This wont affect you too much because the coolermaster evo will more than likely not allow you temperature headroom to push the type of voltages that could be dangerous. But, alll the same, be aware and do your research before you crank the voltage up.

Thanks for getting back to me, I'm currently running prime95 blend with Coolermaster TX3 EVO 1.28v max so far with 62°c, 4.2GHz -0.005v offset

Does that seem ok?

Happy Christmas wink.gif
post #7580 of 9536
Just seen 1.480v on same settings as above
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