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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 704

Poll Results: Was this guide helpful?

Poll expired: Oct 17, 2012  
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    Yes (and I DO have an ASRock motherboard).
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post #7031 of 9531
Quote:
Originally Posted by mark_thaddeus View Post

Have you tried OCing to 4.5 with a lower vcore? It really is a high vCore, my 3770k (HT on) only needs at max load 1.261 via HWMonitor, actual setting in BIOS for my Extreme 6 is 1.254.

Please bear with me as I'm new to this but I've done my reading and I feel like I have a decent understanding. I have the turboboost as low as it can go (+0.117V) stable. The offset is only +0.005. Final Vcore in CPU-Z under load is 1.336V. Would increasing the offset and decreasing the turboboost the same amount make a difference?
post #7032 of 9531
Quote:
Originally Posted by seabass101dg View Post

Quote:
Originally Posted by mark_thaddeus View Post

Have you tried OCing to 4.5 with a lower vcore? It really is a high vCore, my 3770k (HT on) only needs at max load 1.261 via HWMonitor, actual setting in BIOS for my Extreme 6 is 1.254.

Please bear with me as I'm new to this but I've done my reading and I feel like I have a decent understanding. I have the turboboost as low as it can go (+0.117V) stable. The offset is only +0.005. Final Vcore in CPU-Z under load is 1.336V. Would increasing the offset and decreasing the turboboost the same amount make a difference?

subtracting turbo and increasing offset by the same amount would effectively give you the same load voltage, only, it adds the voltage to all of the multipliers you may run at (16 at idle and such). That is defiantly the highest VCore I have seen for 4.5. I would suggest starting over, and seeing what you can get stable with +.004 turbo and .005 offset if you are hitting 90's..thats to warm for my blood.
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post #7033 of 9531
Quote:
Originally Posted by inedenimadam View Post

subtracting turbo and increasing offset by the same amount would effectively give you the same load voltage, only, it adds the voltage to all of the multipliers you may run at (16 at idle and such). That is defiantly the highest VCore I have seen for 4.5. I would suggest starting over, and seeing what you can get stable with +.004 turbo and .005 offset if you are hitting 90's..thats to warm for my blood.

Yeah I thought as much. I did start over and it seems I missed the sweet spot last time. I'm getting 4.5GHz with1.280V Vcore at 80*C (maximum) now. MUCH better! thumb.gif
post #7034 of 9531
Quote:
Originally Posted by seabass101dg View Post

Quote:
Originally Posted by inedenimadam View Post

subtracting turbo and increasing offset by the same amount would effectively give you the same load voltage, only, it adds the voltage to all of the multipliers you may run at (16 at idle and such). That is defiantly the highest VCore I have seen for 4.5. I would suggest starting over, and seeing what you can get stable with +.004 turbo and .005 offset if you are hitting 90's..thats to warm for my blood.

Yeah I thought as much. I did start over and it seems I missed the sweet spot last time. I'm getting 4.5GHz with1.280V Vcore at 80*C (maximum) now. MUCH better! thumb.gif

That's acceptable, maybe on the high side a bit, but under 1.300 @ 45x makes for a screaming fast chip with thermals that are controllable. Congrats thumb.gif
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post #7035 of 9531
Thanks for the guide!

Processor: i5-2500K
Motherboard: Asrock Z77-Extreme4

Currently sitting at 4.6GHz @ 1.352VCore (load) at 70*C.
Offset Mode: +.004 Turbo and +.005 VCore

BIOS is reporting a VCore around 1.1V and CPU-Z is reporting 1.352V under load... that seems a bit high considering I am only using +004 and +.005.
Edited by melcron - 9/13/13 at 9:38am
post #7036 of 9531
Quote:
Originally Posted by melcron View Post

Thanks for the guide!

Processor: i5-2500K
Motherboard: Asrock Z77-Extreme4

Currently sitting at 4.6GHz @ 1.352VCore (load) at 70*C.
Offset Mode: +.004 Turbo and +.005 VCore

BIOS is reporting a VCore around 1.1V and CPU-Z is reporting 1.352V under load... that seems a bit high considering I am only using +004 and +.005.

If you are using offset voltage, then your BIOS is reporting the idle VCore, and CPU-Z is showing full load VCore. I assume you are checking CPU-Z while load testing?
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post #7037 of 9531
Quote:
Originally Posted by inedenimadam View Post

If you are using offset voltage, then your BIOS is reporting the idle VCore, and CPU-Z is showing full load VCore. I assume you are checking CPU-Z while load testing?

It looks like I misunderstood the wording in the guide, "You want to find the setting that will get you the same Vcore that is says in BIOS, during load in Windows as reported by CPU-Z."

I've been using SpeedFan to monitor my temperatures... now that I've loaded HWMonitor and Asrock's own program I see my temperatures are considerably higher than what is reported in SpeedFan. 60*C in SpeedFan and 86*C in HWMonitor.
Edited by melcron - 9/13/13 at 10:04am
post #7038 of 9531
Quote:
Originally Posted by melcron View Post

Quote:
Originally Posted by inedenimadam View Post

If you are using offset voltage, then your BIOS is reporting the idle VCore, and CPU-Z is showing full load VCore. I assume you are checking CPU-Z while load testing?

It looks like I misunderstood the wording in the guide, "You want to find the setting that will get you the same Vcore that is says in BIOS, during load in Windows as reported by CPU-Z."

I've been using SpeedFan to monitor my temperatures... now that I've loaded HWMonitor and Asrock's own program I see my temperatures are considerably higher than what is reported in SpeedFan. 60*C in SpeedFan and 86*C in HWMonitor.

Speed fan must not have updated TJMax templates. Trust HWmonitor, I have an ASRock ext4 and it communicated quite well with the motherboard.
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post #7039 of 9531
If I use fixed mode I can run 4.5GHz @ 1.28V with max temps of 75*C. If I use offset mode with +.005V and +.004V the voltages ramp up to 1.36V+ and the CPU hits max temps and is throttled.

redface.gif

I've been running in fixed mode for quite some time, only recently did I try switching over to offset mode... isn't working out too well.
post #7040 of 9531
Quote:
Originally Posted by melcron View Post

If I use fixed mode I can run 4.5GHz @ 1.28V with max temps of 75*C. If I use offset mode with +.005V and +.004V the voltages ramp up to 1.36V+ and the CPU hits max temps and is throttled.

redface.gif

I've been running in fixed mode for quite some time, only recently did I try switching over to offset mode... isn't working out too well.
The VID of your chip might be considerably more that what is necessary. You can try using a negative offset. The only thing to be wary of with negative offset is the lack of idle stability testing programs. Its kind of just a let it idle and wait ordeal. You could also try reducing the Load Line Calibration offset to allow more Vdroop, effectively lowering the load voltage, Try LLC2, maybe even LLC1 if you still need less load voltage.

Edit to add:

While you are using a negative offset, be sure to frequently save any important files you might be working with. Really, if you use your computer to generate business related content where a crash would be severely detrimental, you should avoid a negative offset completely, the idle crashes can come out of left field at any time.

If you do go the negative offset, you might start at -.100 and see if the load voltage in HWMonitor match your fixed load voltage.
Edited by inedenimadam - 9/13/13 at 1:25pm
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