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Struggling to get stable @ 4.2 Ghz 1100t.

post #1 of 14
Thread Starter 
Hello All,

I'm currently running my processor at 4Ghz with 1.425vcore & the CPU/NB at 2600Mhz with 1.325v and is stable. My cooling is the Coolermaster H100 which never goes above 40c when running prime/intel burn test.

I've currently got to 4.1Ghz with 1.475 vcore stable with prime/intel burn test etc. However, I've tried 4.2 with voltages such as 1.48, 1.49 but don't really want to go much higher.. what is the maximum voltage? and is there any way I could get it stable at 4.2?

I'm running out of ideas, i'm not an experienced overclocker

James
    
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post #2 of 14
Max. 1.55v
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post #3 of 14
Up to 1.55+ is fine as long as temps are OK. But only for benching, I definitely wouldn't have such a high voltage 24/7. Though there are people who swear 1.5v is fine for 24/7, I wouldn't take that chance...
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post #4 of 14
Thread Starter 
Could it be something to do with LLC?
    
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post #5 of 14
Quote:
Originally Posted by alienman21 View Post

Could it be something to do with LLC?

You may have to enable LLC.
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post #6 of 14
4.1Ghz maybe your limit, it is rear with out some series cooling and kit to get much more then 4.2 or 4.3

My 1055t is great 4.2Ghz 1.55vCore 24/7 (except summer), so don't be worried to much it you can't get it stable any higher.
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FX-8350 @ 4.7Ghz Gigabyte 990FXA-UD3 rev 4.0 EVGA GtX 770 Corsair Vengeance 8GB (2x4GB) DDR3  
Hard DriveCoolingOSMonitor
120Gb SSD + 750Gb 2.5" Full Alphacool loop Win7 Ultimate Benq 24" GL2460HM 
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CPUMotherboardGraphicsRAM
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30Gb SSD + 350Gb WD Blue XSPC RX240 Koolance PMP-500 XSPC EX240 
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post #7 of 14
Thread Starter 
What should I enable it too? my motherboard is the Crosshair V. it's options are 0% 25% 50% etc..
    
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CPUMotherboardGraphicsRAM
1100T 4.1Ghz 1.45v ASUS Crosshair V XFX Radeon 6970 2GB GDDR5 8GB 1600Mhz Corsair Vengeance 
Hard DriveOptical DriveOSMonitor
1TB Seagate LG DVD-RW 22x Windows 7 Ultimate x64 Acer P243W 24" HDMI 
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post #8 of 14
Thread Starter 
Update: Enabled LLC to extreme, vcore @1.48 running 4.2Ghz the CPU/NB at 2600Mhz with 1.325volts. Primed for an hour & stable.

Is this safe? Temps below 45c on load.
    
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1TB Seagate LG DVD-RW 22x Windows 7 Ultimate x64 Acer P243W 24" HDMI 
PowerCase
Novatech 1000w Coolermaster HAF X 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
1100T 4.1Ghz 1.45v ASUS Crosshair V XFX Radeon 6970 2GB GDDR5 8GB 1600Mhz Corsair Vengeance 
Hard DriveOptical DriveOSMonitor
1TB Seagate LG DVD-RW 22x Windows 7 Ultimate x64 Acer P243W 24" HDMI 
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Novatech 1000w Coolermaster HAF X 
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post #9 of 14
Quote:
Originally Posted by alienman21 View Post

Update: Enabled LLC to extreme, vcore @1.48 running 4.2Ghz the CPU/NB at 2600Mhz with 1.325volts. Primed for an hour & stable.
Is this safe? Temps below 45c on load.

nope. it is very safe. shoot for mooooar.
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post #10 of 14
It is safe, 1.6v Core with your temps below a max of 62 degrees Celsius is safe.

But after only an hour or two of Prime95, I would not say it is stable wink.gif

Once you find your stable limit then see if you can lower any of the voltage settings, whilst checking for stability each and every time. biggrin.gif

Best of luck thumb.gif
CM 690 III
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CM 690 III
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Childrens Gaming
(18 items)
 
HTPC
(17 items)
 
CPUMotherboardGraphicsRAM
FX-8350 @ 4.7Ghz Gigabyte 990FXA-UD3 rev 4.0 EVGA GtX 770 Corsair Vengeance 8GB (2x4GB) DDR3  
Hard DriveCoolingOSMonitor
120Gb SSD + 750Gb 2.5" Full Alphacool loop Win7 Ultimate Benq 24" GL2460HM 
KeyboardPowerCaseMouse
Gigabyte Aivia K8100 Silverstone Strider 850w CoolerMaster 690 III Gigabyte M6880 
Audio
ASUS Xonar Essence ST  
CPUMotherboardGraphicsRAM
1055T 4.2Ghz @ 1.475v GA-990FXA-UD3 Sli GTX 570's Patriot Gamer 8Gb Kit 1599Mhz 9-9-9-24 
Hard DriveCoolingCoolingCooling
30Gb SSD + 350Gb WD Blue XSPC RX240 Koolance PMP-500 XSPC EX240 
CoolingCoolingOSMonitor
Rasa CPU block 2x EK- Universal blocks SLi Win 7 Ultimate Acer 24" LCD 
KeyboardPowerCaseMouse
Logitech G19 OCZ ZX 1000W 80+ Gold Antec 4U22EPS650 Logitech G700 
Mouse PadAudio
Razer Galiathus X-Fi Titanium 
CPUMotherboardGraphicsRAM
Phenom II x4 955 Gigabyte GA-870A-UD3 Asus GTS 450 G.Skill 1600Mhz 
Hard DriveHard DriveHard DriveHard Drive
Western Digital 2 Tb green Western Digital 2 Tb Green Seagate 1Tb Western Digital 1Tb Green 
Optical DriveOSMonitorKeyboard
Samsung Blu-ray Burner Win7 Ultimate Samsung 55" LED TV Logitech mx5500 
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seasonic 430w Antec Two Hundred Case v2 Logitech M-RCL 124 Couch 
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