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Help w/ 2500K overclock. - Page 3

post #21 of 24
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Tried updating the BIOS but still no dice.
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post #22 of 24
IBT (Linpack) probably won't help you determine what is wrong with your temps and memory. Prime95 26.6 and Memtest are what you should probably stick to for now.

Quote:
Originally Posted by Mackem View Post

Still having issues with RAM, not sure what the deal is there, but I reseated my cooler with new paste and overclocked to 4.2GHz with 1.23V. Funny thing is my idle voltage is higher than the load voltage (Idle was 1.232V and load was 1.216V). The temps were around 64-67-65-62, is this safe? You guys think I could go higher with the OC or lower with voltage?

So now you are using fixed voltage (why)?

What is your memory's exact model number? You might have memory that wants 1.65v, which is okay--but it should run how it's rated.

Actually, you should build a "rig" and "show it off" in your signature so people know what you're working with. At least put your specs here.

Have you been to any of the huge Sandy Bridge or ASUS threads here? Many start off with a nice guide to get started with.

Here is a basic setup for 4.3GHz on a P8Z68 w/ 2500K:

Speedstep: Enabled
C1E: Enabled
C3/C6: Disabled
LLC: High / Ultra High
Offset: (based on VID---usewhatever get's you 1.0v idle, 1.25v load)
Spread spectrum: Enabled (maybe)

If your place is at normal room temp (ambient: ~22C) then you shoudl get an idle of between 25-30C, but those load temps you listed in the high 60's are just too hot for 1.23v with that 212 you've got. It will work out fine for your chip, but those are temps that the stock cooler provides.
Edited by samwiches - 4/2/12 at 2:48pm
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post #23 of 24
Thread Starter 
Quote:
Originally Posted by samwiches View Post

IBT (Linpack) probably won't help you determine what is wrong with your temps and memory. Prime95 26.6 and Memtest are what you should probably stick to for now.
So now you are using fixed voltage (why)?
What is your memory's exact model number? You might have memory that wants 1.65v, which is okay--but it should run how it's rated.
Actually, you should build a "rig" and "show it off" in your signature so people know what you're working with. At least put your specs here.
Have you been to any of the huge Sandy Bridge or ASUS threads here? Many start off with a nice guide to get started with.
Here is a basic setup for 4.3GHz on a P8Z68 w/ 2500K:
Speedstep: Enabled
C1E: Enabled
C3/C6: Disabled
LLC: High / Ultra High
Offset: (based on VID---usewhatever get's you 1.0v idle, 1.25v load)
Spread spectrum: Enabled (maybe)
If your place is at normal room temp (ambient: ~22C) then you shoudl get an idle of between 25-30C, but those load temps you listed in the high 60's are just too hot for 1.23v with that 212 you've got. It will work out fine for your chip, but those are temps that the stock cooler provides.

I am using fixed voltage because someone suggested trying 1.23V. So I should set it to auto?
My RAMs exact model number is CMZ8GX3M2A1600C9B. It's meant to run at 1.5V and was before I swapped out my broken motherboard when I RMA'd it.
I have built a rig but not sure how to show it off
I looked at those threads yes but since I'm pretty new to overclocking it all seemed a bit 'advanced' or there was stuff I wasn't sure on but posts in those threads get lost so easily

I don't have a thermometer handy, but I would say that my room is above room temperature definitely (Brother plays games in here so we have a PC, laptop, 23" monitor, 32" TV, 2 Xbox 360s as well as having carpets and the windows closed most of the time). I am using these fans in my rig (2 on side as intake and 2 on top as exhaust as well as the 2 stock intake fans on the front and 1 stock exhaust at the back).

I completely forgot to mention that those temps were the temps in Prime95 under 100% load.
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post #24 of 24
Quote:
Originally Posted by Mackem View Post

I am using fixed voltage because someone suggested trying 1.23V. So I should set it to auto?
My RAMs exact model number is CMZ8GX3M2A1600C9B. It's meant to run at 1.5V and was before I swapped out my broken motherboard when I RMA'd it.
I have built a rig but not sure how to show it off
I looked at those threads yes but since I'm pretty new to overclocking it all seemed a bit 'advanced' or there was stuff I wasn't sure on but posts in those threads get lost so easily
I don't have a thermometer handy, but I would say that my room is above room temperature definitely (Brother plays games in here so we have a PC, laptop, 23" monitor, 32" TV, 2 Xbox 360s as well as having carpets and the windows closed most of the time). I am using these fans in my rig (2 on side as intake and 2 on top as exhaust as well as the 2 stock intake fans on the front and 1 stock exhaust at the back).
I completely forgot to mention that those temps were the temps in Prime95 under 100% load.

Then maybe it's hot there. The temps are probably not your problem with stability either, so worry about your memory and try to do what you need to so it runs as expected.

For vcore settings, just use whatever puts the load voltage where you want it. Or go to the Sandy Stable thread and look at all the BIOS settings from the list of P8Z68-V boards.

http://www.overclock.net/t/968053/official-the-sandy-stable-club-benchmarks-stable-rigs-guides-inc-spreadsheet
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CPUMotherboardGraphicsRAM
3570K Gigabyte GA-Z77X-UD3H Gigabyte GTX 670 Windforce OC 2GB Samsung 30nm 
Hard DriveHard DriveCoolingOS
WD Caviar Blue WD Caviar Black NZXT Havik 140 Windows 7 64bit 
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Windows 8 64bit ASUS GD235HZ (GD245HQ) 120Hz Dell OCZ GameXStream 850W 
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