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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 173

Poll Results: Was this guide helpful?

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post #1721 of 9531
Quote:
Originally Posted by BeastRider View Post

4.4GHz @ 1.24 vcore is a really good chip, those voltages are really low, you could probably OC to 4.7 or 4.8 even maybe more since you still have a lot of vcore to work with. Just make sure temps max out at 90. Try getting 4.6GHz with 1.3 vcore and see what happens. smile.gif

Yes temps are really great so far. It stays under 75 on hottest core, usually hitting upper 60s. I tried 4.5 GHz but to make it stable I need 1.30-1.31 V. Don't you think the jump of Vcore needed from 4.4 to 4.5 is too far? Or maybe I was doing something wrong... Any advice? I left PLL on auto (I have no idea what this thing do) and LLC on level 2. And by the way, should I increase voltage from my Vcore offset or turbo boost voltage?
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post #1722 of 9531
Quote:
Originally Posted by kalsylum View Post

Yes temps are really great so far. It stays under 75 on hottest core, usually hitting upper 60s. I tried 4.5 GHz but to make it stable I need 1.30-1.31 V. Don't you think the jump of Vcore needed from 4.4 to 4.5 is too far? Or maybe I was doing something wrong... Any advice? I left PLL on auto (I have no idea what this thing do) and LLC on level 2. And by the way, should I increase voltage from my Vcore offset or turbo boost voltage?

Oh with those temps you can definitely increase clocks and voltage. Forgot what the guide says about PLL settings but your gonna have to tweak that on higher overclocks. LLC level 2 is fine, and yes there're usually large voltage jumps at frequencies above 4.5 from my experience. I had stock voltages at 4.5 (1.24 I believe) and to get my 4.7GHz stable I needed 1.376v so yeah. Lastly always go for turbo boost voltage, only increase vcore offset when you get vcore related BSODs (refer to the guide's BSOD list). This is what I did personally but other people might have a different way of doing things so I can only talk from my experience.

I'd say a solid 4.7-4.8GHz OC is possible with your chip at probably 1.360v. Just a hunch. smile.gif

Edit: You should enable internal PLL overvolting.
Edited by BeastRider - 10/26/12 at 9:15am
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post #1723 of 9531
Here's the screens you asked for.




I've since lowered the Turbo Voltage to 0.004V and am having luck so far stress testing it. It didn't seem to affect the voltage too much though. I'm seeing it run at 1.312 more frequently, but it still spikes upwards of 1.336. I'll see how if fares for a little while. Before that I tried the 0.004V and raised the LLC to level 2. That gave too much of a boost though. I was seeing 1.366, which was quite a bit more than I was stable with before. Went back to LLC level 3 and I'm back where I was, maybe a little better.

I've been doing some more P95 testing and I'm still getting that sawtooth graph pattern. It seems like it's about a five minute interval between the high and low temps. Which that's the time setting that I used in the custom setting (per the op) for the stress test. Would there be any correlation to that? I'd just like to find out why there's a regular pattern to the swing in temps when there's a constant load on all the cores. I've also considered a poor thermal interface application, but that might be grasping.

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post #1724 of 9531
Okay so I was envious of everyone overclocking and decided to try overclock to 4.8GHz which is a prayer lol. For those of you who don't know, I got my 4.7GHz stable 24/7 in prime, gaming, or any other use on my 3570K @ 1.376v. Been trying to get to 4.8 but honestly it's looking impossible, still having stability issues so tweaking VTT and PLL voltages. Programs are still crashing right now so still have to find that sweet spot. Voltage wise I'm pretty high so I'm about to hit the safety wall, I'm at 1.396vcore right now and still failing prime for even 5 minutes due to crashes. Once crashes stop via PLL/VTT voltage tweaks, we'll see if 1.396v is enough for me to pass prime on 4.8GHz. Honestly I don't think so, realistically it would take me around 1.42-1.44v to run stable 24/7 and those voltages are really scary lol.

I probably won't be able to make it to 4.8GHz but I gotta try! lol

Comments are welcome, tell me if my chip is gonna explode from my voltages soon. hehe
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post #1725 of 9531
Quote:
Originally Posted by BeastRider View Post

Oh with those temps you can definitely increase clocks and voltage. Forgot what the guide says about PLL settings but your gonna have to tweak that on higher overclocks. LLC level 2 is fine, and yes there're usually large voltage jumps at frequencies above 4.5 from my experience. I had stock voltages at 4.5 (1.24 I believe) and to get my 4.7GHz stable I needed 1.376v so yeah. Lastly always go for turbo boost voltage, only increase vcore offset when you get vcore related BSODs (refer to the guide's BSOD list). This is what I did personally but other people might have a different way of doing things so I can only talk from my experience.
I'd say a solid 4.7-4.8GHz OC is possible with your chip at probably 1.360v. Just a hunch. smile.gif
Edit: You should enable internal PLL overvolting.

Good for you that you can do 4.5 on stock voltage! Do you recall how much did you use for 4.6? Do I really need PLL overvolting under 4.7 GHz? Sleep trouble is surely unappealing for me. Thanks for sharing the tip man! I'll post back when I have some progress.
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post #1726 of 9531
I'm fairly new to the board and I've just been reading a few posts. I have an AsRock extreme4 z77 mobo. I've got my offset down to around -.050 with LLC at 5 and only speedstep on. It's weird because during gaming the cores are being used at max multiplier but generate less heat. Also the voltage is much more stable but higher. With speedstep and Enhanced c1e voltage is lower and jumps around more but multipliers drop. I also notice stutter with this setup.

I'm on a 4.2 oc with stock cooler but a haf 932 case. During gaming I'm around 40-mid 50s depending on the game. I've tested on prime95 for 30 minutes once and it was stable. Don't really see the need to torture my cpu since I just use this pc for gaming and web browsing. Anyways how are these levels? During load with only speedstep on my vcore is 1.136-1.144 with a max of 1.160. Is this safe for my cpu on stock fan?

Also if I put on enhanced c1e during gaming load vcore is jumpy but usually lower. Should I leave c1e on or off?
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post #1727 of 9531
Quote:
Originally Posted by kalsylum View Post

Good for you that you can do 4.5 on stock voltage! Do you recall how much did you use for 4.6? Do I really need PLL overvolting under 4.7 GHz? Sleep trouble is surely unappealing for me. Thanks for sharing the tip man! I'll post back when I have some progress.

For 4.6 I only tested prime for 5 mins so not really sure if it was stable. I was doing 1.316 at 4.6GHz I believe. Okay for PLL IMO undervolting is the key, I tried overvolting but crashing issues got worse, undervolting made my system a lot more stable. I only undervolted my PLL whenever I experienced crashing issues, otherwise, it doesn't really matter. When you start seeing programs crashing I suggest you try and tick a negative offset for PLL. If you're not experiencing any programs crashing than you don't really have to touch PLL. Depends on the chip whether or not you'll experience crashing issues at your clocks. Another item to look at is VTT, I decrease this a tick whenever I get a BSOD related to it, aside from vcore, I always found undervolting more effective than overvolting in terms of stability than overvolting, in my experience of course.
Quote:
Originally Posted by writer21 View Post

I'm fairly new to the board and I've just been reading a few posts. I have an AsRock extreme4 z77 mobo. I've got my offset down to around -.050 with LLC at 5 and only speedstep on. It's weird because during gaming the cores are being used at max multiplier but generate less heat. Also the voltage is much more stable but higher. With speedstep and Enhanced c1e voltage is lower and jumps around more but multipliers drop. I also notice stutter with this setup.
I'm on a 4.2 oc with stock cooler but a haf 932 case. During gaming I'm around 40-mid 50s depending on the game. I've tested on prime95 for 30 minutes once and it was stable. Don't really see the need to torture my cpu since I just use this pc for gaming and web browsing. Anyways how are these levels? During load with only speedstep on my vcore is 1.136-1.144 with a max of 1.160. Is this safe for my cpu on stock fan?
Also if I put on enhanced c1e during gaming load vcore is jumpy but usually lower. Should I leave c1e on or off?

Do you really want your LLC at 5? I got mine at 2, I'd say 3 is the highest you wanna go. PRIME is actually a really good way of testing stability. If you pass PRIME you know your system is stable no matter how long you game. You don't really want to BSOD an hour into a gaming session do you? lol, anyway your voltages and temps are safe for stock but I'd recommend getting and aftermarket cooler if you wanna keep your system overclock for longer periods at a time. 4.2GHz @1.136-1.144vcore is really low, kudos if you got that stable but I suggest more stability testing.

Grats on the new AsRock board!! smile.gif
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post #1728 of 9531
Quote:
Originally Posted by writer21 View Post

I'm fairly new to the board and I've just been reading a few posts. I have an AsRock extreme4 z77 mobo. I've got my offset down to around -.050 with LLC at 5 and only speedstep on. It's weird because during gaming the cores are being used at max multiplier but generate less heat. Also the voltage is much more stable but higher. With speedstep and Enhanced c1e voltage is lower and jumps around more but multipliers drop. I also notice stutter with this setup.
I'm on a 4.2 oc with stock cooler but a haf 932 case. During gaming I'm around 40-mid 50s depending on the game. I've tested on prime95 for 30 minutes once and it was stable. Don't really see the need to torture my cpu since I just use this pc for gaming and web browsing. Anyways how are these levels? During load with only speedstep on my vcore is 1.136-1.144 with a max of 1.160. Is this safe for my cpu on stock fan?
Also if I put on enhanced c1e during gaming load vcore is jumpy but usually lower. Should I leave c1e on or off?

Get rid of that stock cpu cooler, they suck. Even if your not pulling high temps its just better for the life of your chip overall. You can get a fairly good one off Newegg for like $25 bucks.
    
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post #1729 of 9531
Update on my 4.8GHz attempt with my 3570K:



Sad to say it looks like I hit a wall. Basically my temps are at 100 degrees and maxing out at 105 when it starts to throttle. Can't believe my H100 fails @ 1.42v! Okay maybe this OC is a little crazy but hey, at least I tried right? lol

Reverting back to my 4.7GHz @ 1.376vcore stable overclock which I'm extremely satisfied about. Wanna try decreasing voltage on 4.7 but games start to crash, weird actually. I'm guessing if Ivy wasn't so gosh darn hot I coulda got this OC stable, programs started crashing at these crazy temps. 1.42v does seem a little too much huh? Maybe with a RASA kit..hmm, lol maybe not. tongue.gif
Edited by BeastRider - 10/26/12 at 10:34am
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post #1730 of 9531
Quote:
Originally Posted by BeastRider View Post

Update on my 4.8GHz attempt with my 3570K:

Sad to say it looks like I hit a wall. Basically my temps are at 100 degrees and maxing out at 105 when it starts to throttle. Can't believe my H100 fails @ 1.42v! Okay maybe this OC is a little crazy but hey, at least I tried right? lol
Reverting back to my 4.7GHz @ 1.376vcore stable overclock which I'm extremely satisfied about. Wanna try decreasing voltage on 4.7 but games start to crash, weird actually. I'm guessing if Ivy wasn't so gosh darn hot I coulda got this OC stable, programs started crashing at these crazy temps. 1.42v does seem a little too much huh? Maybe with a RASA kit..hmm, lol maybe not. tongue.gif

What fans are you using on that H100 and what thermal paste did you use?
Edited by NotReadyYet - 10/26/12 at 10:55am
    
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CPUMotherboardGraphicsRAM
Intel i7 2600K @ 4.7GHz (1.352v) ASRock Z68 Professional Gen 3 Fatal1ty Edition MSI GTX 980 Ti Golden Gaming Edition @ 1500MHz 16GB Mushkin Redline 4X4GB @ 2133MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 850 EVO 1TB SSD Samsung 840 Pro 256GB SSD Crucial M4 128GB SSD Seagate 2TB HDD 
Optical DriveCoolingOSMonitor
Samsung Writemaster Corsair H100i GTX Windows 10 Pro x64  Overlord Tempest X270 OC @ 120Hz 
KeyboardPowerCaseMouse
Sentey@ Cobalt Pro Seasonic 750X Gold Corsair Carbide Air 540 Mionix Naos 7000 
Mouse PadAudioAudioAudio
Razer Sphex Aune T1 + Philips E88CC SQ Tube Audio-Technica WS99 JVC FXT90 Limited Edition 
AudioAudioAudioOther
AntLion ModMic Earsonics SM3 V2 + Toxic Copper Cable Creative Gigaworks T3 4 x 120mm Gelid Solutions Blue LED Fans 
OtherOther
2 x 120mm Scythe Gentle Typhoon Fans  Lamptron FC5 V2 Fan Controller 
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