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12-01-09
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#1 (permalink) | |||||||||||||
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Overclocker
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not rock solid..
im having some trouble getting my oc 100% stable. im using an i7 920 D0 (batch #3851a220), p6t deluxe v2 crossflashed with bios 0006 and 6GB gskill trident pc-16000 9-9-9-24. here are my current settings:
__________________CPU Ratio Setting: 21x BLCK Frequency: 200 PCIE Frequency: 100 DRAM Frequency: 1600 UCLK Frequency: 3200 QPI Link Data Rate: 7200 DRAM Timing Control: 1st Information : CAS# Latency: 7 DRAM RAS# to CAS# Delay: 7 DRAM RAS# PRE Time: 7 DRAM RAS# ACT Time: 18 DRAM Timing Mode: 1N CPU Voltage: 1.36250 CPU PLL Voltage: 1.82 QPI/DRAM Core Voltage: 1.36250 IOH Voltage: Auto IOH PCIE Voltage: Auto ICH Voltage: Auto ICH PCIE Voltage: Auto DRAM Bus Voltage: 1.66 Load Line Calibration: Enabled CPU Differential Amplitude: +800mv CPU Clock Skew: Auto CPU Spread Spectrum: Disabled IOH Clock Skew : Auto PCIE Spread Spectrum: Disabled Advance CPU Settings: CPU Ratio Setting: 21x C1E Suppport: Disabled Hardware Prefetcher: Enabled Adjacent Cache Line Prefetch: Enabled Intel® Virtualization Tech: Disabled CPU TM Function: Enabled Execute Disable Bit: Disabled Intel (R) HT Techology: Enabled Active Processor Cores: All Heres the deal.. i had the qpiv first at the same voltage of the vcore, 1.36250v and it was stable during 30m of linx and 1h of occt. decided to try prime95 and heres where it gets tricky... after 2 hours of prime blend it gives me a bsod. so i raised the qpiv to 1.36875, tried linx and occt and it was stable, but bsod afer 4h +/- in prime. so decided to raise a litle more the qpiv to 1.37500v and it was stable in linx and occt (at least 1h and 55m) but after 6hrs i get a bsod in prime... i cant raise the qpiv more because its not stable in linx or occt...   heres prime95 log: http://freetexthost.com/b42n3usfcz Can someone please tell me what im i missing? Thanks, infected_
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12-01-09
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#2 (permalink) | |||||||||||||
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Windows Wrangler
 
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Try upping your CPU PLL Voltage to 1.88, setting IOH Voltage to 1.2, and ICH Voltage to 1.2.
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12-01-09
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#3 (permalink) | |||||||||||||
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4.0 GHz
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try LOWERING your QPI/VTT voltage
if you get BSOD 0x00000124 its because QPI voltage is too low OR too high also VCore is quite high... even with LLC and HT enabled messing with IOH, ICH and CPU PLL will help a bit without any doubt and watch your temps! higher temps = less stable ask any OCer here: WE HATE SUMMER  (Quebec,Canada + January = -30, -40 °C) <-- lets OC outdoors!
__________________
Corsair H50 Owner Club I7 920 OCed to 4,2Ghz
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