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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 615

Poll Results: Was this guide helpful?

Poll expired: Oct 17, 2012  
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post #6141 of 9565
Hey...I have been messing with VTT and PLL for a few days and have seen some benefits...I though I would share my results.

It appears that lowering PLL drops temps (probably, but so minimal its barely noticeable), but going to low/high affects stability (currently 1.725)
It also appears that raising VTT allows me to drop my VCore and therfore drops temps. I haven't pushed this too hard because I really don't understand what the heck it does!

You can see the small change in temps at the bottom, I only ran quick tests so they would both fit on the graph, but you can see marginal temperature improvements, and my VCore is all the way down to 1.072, a drop of .016 for 4.5Ghz.
Messing with VTT and PLL (Click to show)


Still hard for me to believe that I am 100% stable under 1.100 at 4.5...I don't think I deserve this chip, I am not even water cooling it.
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post #6142 of 9565
Quote:
Originally Posted by spoonium View Post

In terms of cooling, feel free to remove the heat spreaders of your RAM modules (once you've verified they're not faulty of course).
They're really just for show for the main part, unless you really want to go into heavy memory overclocking.

Be careful advising this, kits with thermal pads or thermal tape under the heatspreaders come off easily enough, but when the heatspreaders are glued, removing the heatspreaders can rip the ICs right off the PCB.

http://forums.legitreviews.com/images/random/ocz+memory+ruined.jpg.
    
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post #6143 of 9565
Quote:
Originally Posted by FtW 420 View Post

Quote:
Originally Posted by spoonium View Post

In terms of cooling, feel free to remove the heat spreaders of your RAM modules (once you've verified they're not faulty of course).
They're really just for show for the main part, unless you really want to go into heavy memory overclocking.

Be careful advising this, kits with thermal pads or thermal tape under the heatspreaders come off easily enough, but when the heatspreaders are glued, removing the heatspreaders can rip the ICs right off the PCB.

http://forums.legitreviews.com/images/random/ocz+memory+ruined.jpg.

ouch! good to know
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post #6144 of 9565
Quote:
Originally Posted by Kimomono View Post

Hello all. I've been trying to get my system working and have been having issues. Here's the post from a thread I started. I was told to post it here as well.
And just a quick update:

I've boot into memcheck86 and ran a couple of passes. On the first pass, everything was fine. On the second pass, I got around 20 errors. On the third pass, I got a few errors, but I had to run out before it finished. There seems to be a bit of variance here on detected errors?

Also, before I started all this, I reset my BIOS and made sure I had all the latest drivers and updates for all I was running, but Windows is still showing one unknown item in the hardware manager. I updated my BIOS over LAN before I had reset it, but haven't tried it since. Also, the video card I'm currently running is a gtx 465 and has been having artifact problems, but I'm RMAing it to evga. I'm going to pull it out tonight to get it ready to be sent off and plug my monitor into the MB. I'm also going to try reseating the RAM tonight when I get home to see if that helps.

If I can't get it all to work, I'm going to try to exchange the RAM, MB, or both. The store is about an hour away, though. frown.gif So I'd prefer not to have to do that!

If anyone has any other suggestions I would greatly appreciate the help.

before RMaing stuff:

1. reflash the bios using a usb key (not lan)
2. be sure to also download the corresponding chip drivers from asrock for the bios you are using (just get the most recent of all + bios)
3, reinstall ALL the chipset drivers

POST to bios
4. load the memory XMP you want to use, or leave it at the baseline SPD JEDEC (1333)
5. put the most recent memtest in your cd/dvd
6. run memtest again - error free 3 passes at least ...or they are bad and now RMA the ram

if the ram is good:

1. set bios parameters for stock clock (clr cmos works)
2. set ACHI and boot order
3. SAVE this to a bios slot !!
post and boot to windows
open a command prompt (W7 64 - right?) type in "scf /scannow" and let it run to correct any bad windows stuff.

clean? then begin your overclocking following the guide on pg 1 of this thread (then thank Kenny!)
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post #6145 of 9565
Got 5GHz stable...


Booted and validated 5.2GHz I didn't spend much time on it so might be able to lower the voltage and go even higher
post #6146 of 9565
Quote:
Originally Posted by inedenimadam View Post

Hey...I have been messing with VTT and PLL for a few days and have seen some benefits...I though I would share my results.

It appears that lowering PLL drops temps (probably, but so minimal its barely noticeable), but going to low/high affects stability (currently 1.725)
It also appears that raising VTT allows me to drop my VCore and therfore drops temps. I haven't pushed this too hard because I really don't understand what the heck it does!

You can see the small change in temps at the bottom, I only ran quick tests so they would both fit on the graph, but you can see marginal temperature improvements, and my VCore is all the way down to 1.072, a drop of .016 for 4.5Ghz.
Messing with VTT and PLL (Click to show)


Still hard for me to believe that I am 100% stable under 1.100 at 4.5...I don't think I deserve this chip, I am not even water cooling it.

Hey I found a little on VTT of another site. Does this sound right? If its true would upping VTT be an option for my RAM?
"VCCIO – AKA QPI/VTT: This is the voltage received by the integrated memory controller on the CPU. It can help when stabilizing high memory overclocks. You shouldn’t need to touch it for overclocking your CPU. There are some instances where you may need to, and I’ll list them later."
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post #6147 of 9565
Quote:
Originally Posted by UPGR4Y3DD View Post

Quote:
Originally Posted by inedenimadam View Post

Hey...I have been messing with VTT and PLL for a few days and have seen some benefits...I though I would share my results.

It appears that lowering PLL drops temps (probably, but so minimal its barely noticeable), but going to low/high affects stability (currently 1.725)
It also appears that raising VTT allows me to drop my VCore and therfore drops temps. I haven't pushed this too hard because I really don't understand what the heck it does!

You can see the small change in temps at the bottom, I only ran quick tests so they would both fit on the graph, but you can see marginal temperature improvements, and my VCore is all the way down to 1.072, a drop of .016 for 4.5Ghz.
Messing with VTT and PLL (Click to show)


Still hard for me to believe that I am 100% stable under 1.100 at 4.5...I don't think I deserve this chip, I am not even water cooling it.

Hey I found a little on VTT of another site. Does this sound right? If its true would upping VTT be an option for my RAM?
"VCCIO – AKA QPI/VTT: This is the voltage received by the integrated memory controller on the CPU. It can help when stabilizing high memory overclocks. You shouldn’t need to touch it for overclocking your CPU. There are some instances where you may need to, and I’ll list them later."

Worth a shot, but I am must admit, you know about the same as I do about VTT.
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post #6148 of 9565
Ok im going to 4.7. I found a semi stable settings with +1.09 turbo. What i mean semi stable is that im perfectly fine doing everyday things with no WHEA errors or high temps until i run prime95 for 4+ hours then i get ONE WHEA error.

I plan to raise turbo one step up to see if it fixes the WHEA error i only get with prime, but at the same time i wanna lower offset to -.005. Would i be going backwords by lowering the offset one step?
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post #6149 of 9565
Quote:
Originally Posted by inedenimadam View Post

More than likely that one piece of hardware is intel smart connect...useless for desktops. RMA those puppies, but if your still not convinced, tried reseating all of them like super 100% for sure locked in beyond a shadow of a doubt and try again. You also might be able to isolate which stick it is, but that wont help much considering they were purchased as a set and will need to be RMA'd as a set.

So I just got home and checked on my memcheck test... 480 errors in 14 passes... rolleyes.gif lol... I think I'm going to go exchange them next chance I get. Just in case, I've reseated the RAM and ran memcheck again. So far no errors have come up and I'm on the second pass, but we'll see...

Quote:
Originally Posted by spoonium View Post

In terms of cooling, feel free to remove the heat spreaders of your RAM modules (once you've verified they're not faulty of course).
They're really just for show for the main part, unless you really want to go into heavy memory overclocking.

I've thought about that, but unless I can get another sort of heat spreader, I'm not sure if I want to do it. Don't ask me why, it's mostly a OCD thing. Also, it sounds like a good excuse to throw in a H100i or some custom WC instead...
post #6150 of 9565
pics are up smile.gif
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