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Another 3570k thread....but i'm a noob! ha

post #1 of 8
Thread Starter 
Hello all!

First post here so be gentle. I'll start with system specs:

CPU - 3570k Batch # 3237B786

Cooler - Corsair H100i (Push Configuration Stock Fans)

Motherboard - ASUS Z77 V -PRO BIOS v1805

RAM - 16GB (2 x 8) G. Skill Ripjaws X Series @ 2133

PSU - Corsair AX 850 Pro Series

Boot Drive - Samsung 840 120GB SSD

Storage Drive - WD Green 1TB

Optical Drive - ASUS DVD 24B1st

Graphics Card - MSI GTX 660 Ti PE/OC

If any other system info is required please let me know.

I would like to target 4.5 - 4.6 GHz with this setup. I have read many many guides in the last month trying to obtain this but I think i may be missing something. I think I have a good grasp on terminology, in regards to overclocking parameters and the purpose, the problem is my execution. The main thing that confuses me is VID with respect to Vcore. Should these match in terms of giving the CPU what it is asking for at a given multiplier, or is providing the lowest Vcore possible with respect to system stability no matter what the VID is? Now, when I do find that "sweet spot" for voltage to reach my desired 4.6 overclock , taking into account load-line calibration, what is the proper way to set my voltage offset? I know that all chips are not created equal and i may not even be able to get to 4.6GHz but any information will help.

Thanks!
Synergy
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Synergy
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Win 7 Home Premium QNIX 27' 1440p PLS  Logitech G710+ Corsair Pro Series 850W 80+ Gold 
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post #2 of 8
The VID voltage is coded into the chip and is based on multiplier being used, the load, and even the type of load and number of cores loaded.
So it's basicaly the stock voltage for your chip at the ??x multiplier under your current load situation.

Intel just tested certain Multipliers and Assigned a VID for the chip to function.
You should see VID more as a baseline, some times for 4.5ghz (45MP) you can go under the VID and still be stable.

But on higher Multipliers like 50MP you will see you will need to “add” voltage to the VID for it to become stable. This can be done with manual voltage or a Offset.

So it doesn’t mean you have to stay close the VID, its just a guideline for the cpu to boot on for lower Multipliers, and to know what voltage it must use under turbo/load.
Blazer
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Blazer
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post #3 of 8
Done with the testing, 14+ hours Prime 95 custom blend test 90% memory - 4.5 Ghz / 1.272V using offset VCORE:

http://valid.canardpc.com/2737671



To calculate the offset value you have to use you need the VID value which best obtained with Core Temp under prime 95 load and the VCORE you used for given OC that was stable for you. In my case it was 1.27V so following that reasoning 1.27 - 1.2109 = 0.0641 since my BIOS only allows for 0.005 steps i had to round that up to 0.065V. With that in mind you just go to your BIOS find the VCORE settings and choose offset and since you need to add more V than your VID pick + under offset and then write your calculated value there. I also had to change my CPU LLC from auto to Ultra High to make sure the mobo is giving enough V to the cpu else youd experience something called VDROOP and end up with an unstable OC. With all that in mind if you PC boots fine you should test it with IBT and Prime 95 which hopefully itll pass. If all ends well remember to also take a look at your windows event viewer for WHEA errors that might occur despite seemingly stable OC.

Good luck.
Chunin
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Chunin
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post #4 of 8
Thread Starter 
Thanks for the replies! Really cleared things up for me. After a few BSOD and some fine tuning i have what seems to be a stable overclock:

4.5Ghz (bclck = 100 * 45) +0.040 offset
VID @ load 1.2109
Vcore @ load 1.224
LLC = High
CPU Current = 140%
CPU Power Phase = Standard
All other BIOS settings Auto/Unchanged
Prime stable 12hr Max Temps 80c (ambient 27c)
No WHEAs!!
GPU at stock

Now the problem is when i jump into a game, BF3 or Planetside 2, my display driver crashes. DirectX function fails with DXGI_ERROR_DEVICE_HUNG due to badly formed commands... Sometimes right away, sometimes after 30 minutes. I get that error for BF3 and Planetside 2 i just get the "planetside 2 had stopped" window that pops up. I reverted back to optimized defaults in BIOS and everything plays fine. When I load my 4.5Ghz BIOS profile and try to play I get the same crash. Display Driver is up to date (314.07). I timed my RAM via XMP, speed and timing is correct. Any ideas on what may be causing this crash? More voltage maybe?
Synergy
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Synergy
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3570K ASUS Z77 V Pro Sapphire 7970 G Skill 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 SSD WD Green Asus DVD Corsair H100i 
OSMonitorKeyboardPower
Win 7 Home Premium QNIX 27' 1440p PLS  Logitech G710+ Corsair Pro Series 850W 80+ Gold 
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ThermalTake Level 10 GTS Logitech G9X SteelSeries Logitech Z623 
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post #5 of 8
Sounds like not enough voltage. I had the same problems at 4.5 Ghz too. Passed every possible test didnt get any WHEAs either but when i played Crysis 2 itd always crash after some time giving me different error codes each time. Sometimes it was ntdll.dll crash or just an app crash crysis 2.exe then something with the nvidia driver. Bumbed the voltage by 0.01V and all works fine again. Thats why i think there is no absolute test to check for stability. What looks like a seemingly perfect OC will fail in games but be stable in all of the stress tests or the other way around.
Chunin
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Chunin
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SAMSUNG HD103SJ SAMSUNG HD204UI (S2H7J1CB113780) ST2000DM001-9YN164 ST31000524AS 
Hard DriveOptical DriveCoolingCooling
ST2000DM001-1CH164 TSSTcorp CDDVDW SE-S084F Zalman 11x Performa 6x Arctic Cooling F12 120mm 
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Windows 7 64bit SP1 Samsung Syncmaster 2232BW Benq GL2450HT Xtrust Classicline 
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post #6 of 8
Thread Starter 
Thanks for the insight Chunin. I tried bumping up my voltage, all the way up to +0.080 offset in increments of 0.010, to no avail. The only thing that changed were my temps haha. So I'm back to my original seemingly stable OC settings. After more testing, gaming that is, I noticed a few things. Planetside is stable after a few hours, I think my crash on that game was due to the servers and the PhysX update. SimCity runs perfect, ST2 plays just fine. The only game crashing is BF3. I haven't seen the direct X hung error since yesterday but now I get the nvidia windows kernel driver has stopped error. I don't get it every time I start BF3 but, I'd say 4 of 5 times when starting up the game. I'm starting to think it may be a driver issue. I'm going to roll back the driver, try some beta drivers and possibly under clock the OEM parameters.

This thread may be turning into a GPU problem but bear with me, I'm not 100% sure that my overclock isn't causing this. Any input or past experiences with this issue will be very helpful.

Thanks!
Synergy
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3570K ASUS Z77 V Pro Sapphire 7970 G Skill 
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Synergy
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3570K ASUS Z77 V Pro Sapphire 7970 G Skill 
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Samsung 840 SSD WD Green Asus DVD Corsair H100i 
OSMonitorKeyboardPower
Win 7 Home Premium QNIX 27' 1440p PLS  Logitech G710+ Corsair Pro Series 850W 80+ Gold 
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post #7 of 8
Thread Starter 
Update;

I have done some heavy gaming in the last couple days and noticed a few things. When I boot my computer i can start BF3 no problem, but when I exit a server and try to join another, that is when i get the Nvidia windows kernel display 314.07 error. This happens every time. Now while playing SimCity I get WHEAs. Not sure why i would get them only while playing this game. If I dont want to raise my Vcore anymore, is it as simple as dropping my multiplier to 44 to eliminate these WHEAs during this game?
Synergy
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CPUMotherboardGraphicsRAM
3570K ASUS Z77 V Pro Sapphire 7970 G Skill 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 SSD WD Green Asus DVD Corsair H100i 
OSMonitorKeyboardPower
Win 7 Home Premium QNIX 27' 1440p PLS  Logitech G710+ Corsair Pro Series 850W 80+ Gold 
CaseMouseMouse PadAudio
ThermalTake Level 10 GTS Logitech G9X SteelSeries Logitech Z623 
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Synergy
(16 items)
 
  
CPUMotherboardGraphicsRAM
3570K ASUS Z77 V Pro Sapphire 7970 G Skill 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 SSD WD Green Asus DVD Corsair H100i 
OSMonitorKeyboardPower
Win 7 Home Premium QNIX 27' 1440p PLS  Logitech G710+ Corsair Pro Series 850W 80+ Gold 
CaseMouseMouse PadAudio
ThermalTake Level 10 GTS Logitech G9X SteelSeries Logitech Z623 
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post #8 of 8
Probably that game is CPU heavy hence the WHEA errors when you play it. Yes, if you dont want to add more voltage you could try and lower the multiplier by 1 and see if its stable then.
Chunin
(21 items)
 
  
CPUMotherboardGraphicsRAM
Intel Ivy Core i5-3570K  ASUS P8Z77-V  Gigabyte GTX 670  Patriot 
Hard DriveHard DriveHard DriveHard Drive
SAMSUNG HD103SJ SAMSUNG HD204UI (S2H7J1CB113780) ST2000DM001-9YN164 ST31000524AS 
Hard DriveOptical DriveCoolingCooling
ST2000DM001-1CH164 TSSTcorp CDDVDW SE-S084F Zalman 11x Performa 6x Arctic Cooling F12 120mm 
OSMonitorMonitorKeyboard
Windows 7 64bit SP1 Samsung Syncmaster 2232BW Benq GL2450HT Xtrust Classicline 
PowerCaseMouseMouse Pad
Corsair TX Enthusiast 650W SilentiumPC Gladius X80 Razer Deathadder Aquos 2 
Audio
Logitech x-530 
  hide details  
Reply
Chunin
(21 items)
 
  
CPUMotherboardGraphicsRAM
Intel Ivy Core i5-3570K  ASUS P8Z77-V  Gigabyte GTX 670  Patriot 
Hard DriveHard DriveHard DriveHard Drive
SAMSUNG HD103SJ SAMSUNG HD204UI (S2H7J1CB113780) ST2000DM001-9YN164 ST31000524AS 
Hard DriveOptical DriveCoolingCooling
ST2000DM001-1CH164 TSSTcorp CDDVDW SE-S084F Zalman 11x Performa 6x Arctic Cooling F12 120mm 
OSMonitorMonitorKeyboard
Windows 7 64bit SP1 Samsung Syncmaster 2232BW Benq GL2450HT Xtrust Classicline 
PowerCaseMouseMouse Pad
Corsair TX Enthusiast 650W SilentiumPC Gladius X80 Razer Deathadder Aquos 2 
Audio
Logitech x-530 
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