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3930k instability :(((( - Page 8

post #71 of 87
7/28/12 at 5:13pm
Quote:
Originally Posted by agulerer View Post

I am confused about VTT. On Intel charts it says max is 1.40 V . But FtW 420 says more than 1.20 V will degrade cpu quickly.

Just going by what I have read here http://hwbot.org/forum/showthread.php?t=33835&page=13
Some of the extreme benchers got used to using higher VTT with C1 chips, when they started testing C2 & using higher VTT (over 1.2V) several started to see degrading very quickly. I've kept under 1.2V myself with my C2, memory can still be run up to 2400Mhz under 1.2V VTT.
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post #72 of 87
7/28/12 at 5:16pm
Thread Starter 
Is 1.9 V VTT pretty safe?
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post #73 of 87
7/28/12 at 5:47pm
1.19V is about the max I try to stay at or under, although I haven't used more than 1.15V for 24/7, just gone to 1.19V when benching, safer than 1.25V or more though.
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post #74 of 87
7/28/12 at 5:59pm
Thread Starter 
On some forums and also at forum that you gave the link, says that for gskill rams 1.20 vtt is needed for stability. I will oc my rams 1866 to 2XXX. So I do not know how much vtt should I put. What do you think about it?
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post #75 of 87
7/28/12 at 6:02pm
1.9 is waaaay too much, lower it to 1.15 - then test it
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OCZ Vertex 4 256GB SSD OCZ Agility III 120GB SSD Seagate 2tb HDD EK Supremeacy Nickel Plexi Block 
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post #76 of 87
7/28/12 at 6:05pm
Thread Starter 
Quote:
Originally Posted by alyraver View Post

1.9 is waaaay too much, lower it to 1.15 - then test it

1.9??? I never gave 1.9V
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OCZ REVODRIVE 3 X2 240GB,   2 X CORSAIR FORCE GT90 RAID 0 LG BLUERAY CUSTOM LOOP 
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post #77 of 87
7/28/12 at 6:06pm
must of mis read - sorry
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OCZ Vertex 4 256GB SSD OCZ Agility III 120GB SSD Seagate 2tb HDD EK Supremeacy Nickel Plexi Block 
CoolingCoolingCoolingCooling
EK 360 XT Rad XSPC Dual Bay Resevoir Alphacool D5 Pump Masterkleer Blue Tubing 1/2 5/8 
CoolingCoolingCoolingOS
Bitspower Compression Fittings 1/2 5/8 Skythe Fan Controller Akasa Vipers all around Win 7 Ultimate 64 bit 
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Hard DriveHard DriveOptical DriveCooling
OCZ Vertex 4 256GB SSD OCZ Agility III 120GB SSD Seagate 2tb HDD EK Supremeacy Nickel Plexi Block 
CoolingCoolingCoolingCooling
EK 360 XT Rad XSPC Dual Bay Resevoir Alphacool D5 Pump Masterkleer Blue Tubing 1/2 5/8 
CoolingCoolingCoolingOS
Bitspower Compression Fittings 1/2 5/8 Skythe Fan Controller Akasa Vipers all around Win 7 Ultimate 64 bit 
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Asus VE278Q standard keyboard Corsair AX850 Corsiar Obsidian 800D 
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post #78 of 87
7/28/12 at 6:34pm
Thread Starter 
I do not understand that why Gskill needs 1.25 VCCSA?? Please check this: http://gskill.com/products.php?index=434 and than go down and find Rampage IV Extreme and look to xmp manual.
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OCZ REVODRIVE 3 X2 240GB,   2 X CORSAIR FORCE GT90 RAID 0 LG BLUERAY CUSTOM LOOP 
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Hard DriveHard DriveOptical DriveCooling
OCZ REVODRIVE 3 X2 240GB,   2 X CORSAIR FORCE GT90 RAID 0 LG BLUERAY CUSTOM LOOP 
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post #79 of 87
7/28/12 at 6:35pm
Quote:
Originally Posted by agulerer View Post

Is 1.9 V VTT pretty safe?

Quote:
Originally Posted by alyraver View Post

1.9 is waaaay too much, lower it to 1.15 - then test it

Quote:
Originally Posted by agulerer View Post

1.9??? I never gave 1.9V

A mis-type in an earlier post, I figured you meant 1.19V.
I've run a few different g-skill kits, 1.15V or so should be fine up to 2133mhz, if it needs a bit more up to 1.19 should be safe. XMP can overvolt, I usually check it to see what it sets voltages to, then lower them & test for stability, I haven't seen a kit yet that needs as much voltage as XMP thinks it does.
Never do know, 1.25V might be OK for your particular cpu, but after reading about some degrading over 1.2V I kinda figure better safe than sorry.
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always changing HW
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CPUMotherboardGraphicsRAM
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Hard DriveOptical DriveOSMonitor
3 x Barracuda 250GB / 2 x Corsair X32 32Gb ssd DVD Windowz samsung 2320 
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post #80 of 87
7/28/12 at 6:46pm
Thread Starter 
Is more than 1.20 VCCSA degrades CPU too?
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3930K @ 4.3 GHZ RAMPAGE IV EXTREME ZOTAC 590 16 GB GSKILL RIPJAWS Z 1866 CL9 
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OCZ REVODRIVE 3 X2 240GB,   2 X CORSAIR FORCE GT90 RAID 0 LG BLUERAY CUSTOM LOOP 
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WINDOWS 7 64 BIT LG 24'' CORSAIR AX 1200 THERMALTAKE LEVEL 10 GT 
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CPUMotherboardGraphicsRAM
3930K @ 4.3 GHZ RAMPAGE IV EXTREME ZOTAC 590 16 GB GSKILL RIPJAWS Z 1866 CL9 
Hard DriveHard DriveOptical DriveCooling
OCZ REVODRIVE 3 X2 240GB,   2 X CORSAIR FORCE GT90 RAID 0 LG BLUERAY CUSTOM LOOP 
OSMonitorPowerCase
WINDOWS 7 64 BIT LG 24'' CORSAIR AX 1200 THERMALTAKE LEVEL 10 GT 
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