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Orthos being unstable?

post #1 of 2
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guys, i tried to overclock my e8500:

was perfectly fine at 425x9.5
with vcore at 1.325v and nb at 1.39
at rams are at 1:1 (crucial ballistix pc8500 2gb ram)

i noe i am not suppose to go above 1.3625 on the vcore.
therefore i set it at that, with vdroop, in cpuz says 1.352v,
and 450X9.5, 475x9, and 533 x 8, all caused the orthos and prime95 to crash. not crash as in like bsod, or restart, but it jsut says that the program has an error after 10 minutes max of stressing.

also, orthos would get the wrong speed at i overclocked it to 4.25ghz but orhtos read 4.5ghz!! why is that?

what could the reason of this fenomena happening?
i have uninstalled and reinstall both softwares and it keeps happening!

could someone help me at this, please!
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New Beast
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I7 4930 - 4.3ghz Rampage 4 extreme 780 TI SLI 16gb 2400 Corsair Dominators DDR3 
Hard DriveOptical DriveOSMonitor
Samsung Evo SSD Asus LightScribe DVDRW Windows 8.1 Benq XR3501 
PowerCase
Corsair AX1200i Corsair Carbide 750 
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post #2 of 2
orthos assumes multiplier is always default, so when using non-default multiplier, have to use cpuz not orthos.

Error after 10 mins of orthos, means your rig is not stable. The norm is to give an error, though if you are way off sometimes it will BSOD or restart.

If you need 1.325v for 425x9.5 (4037), I would expect you need at least .1v more vcore to get to 4275 stable. Past 4ghz, I need additional ~.03-.04v for every 100 mhz. I would say you are going to have to back down mhz since you dont want to go above 1.3625. While error could be memory etc, in your situation I would work out vcore..reduce mhz first, especially for the 9.5x450, where nb voltages and memory are less likely to have issues.
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
6900K 4.4ghz  MSI X99A Krait Titan XP Gskill 32GB 3200 C14 
Hard DriveHard DriveCoolingOS
Samsung 960 Pro 1TB OS Samsung 850 pro 1TB games D5, XT45 280 rad, Nemesis 280 rad,  Windows 10 64bit 
MonitorPowerCase
Acer Predator XB271HU 144hz Seasonic Prime Titanium 850 Fractal Design R5 
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