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Guide to Overclocking the Core I7 920 or 930 to 4.0ghz - Page 78

post #771 of 1477
Quote:
Originally Posted by gobbo353 View Post
Personally i prefer MX3 but similarly to kuya i have only tried one of the two... either way i think only a degree or so difference would be seen between the two, from what i understand..
I usually use AS5, but with my current setup, I used the TIM that came with my VX-RT, Chill Factor III. I just ordered my GT AP-15s and will be dropping by Fry's later to pick up some Shin-Etsu. I've been reading that this TIM is really good and will try this as soon as the new fans come in.
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post #772 of 1477
Quote:
Originally Posted by gobbo353 View Post
Personally i prefer MX3 but similarly to kuya i have only tried one of the two... either way i think only a degree or so difference would be seen between the two, from what i understand..
Same here. I've used AS5, Shin Etsu X23-7783D, OCZ Freeze before and currently using MX-3.
Based on my experience, Shin Etsu outperformed the rest I have used but is a real PITA to apply, especially for those that use the H50 cooler since there is no efficient way to apply ample pressure to spread it out evenly(assuming you are doing the BB sized method) before you clamp that thing down.

OCZ Freeze and MX-3 easily outperformed the AS5 by a 4-7C margin. Between OCZ Freeze and MX-3 I prefer MX-3 since the thermal conductivity of MX-2 is almost twice that of the Freeze.
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post #773 of 1477
BTW, anyone here with a Gigabyte X58A UD5 board and have already overclocked to >4GHz. If yes, I'd love to hear from ya
Edited by maverickpk - 7/3/10 at 6:41pm
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post #774 of 1477
Here is where I'm at with the OC'ing on this board.
http://valid.canardpc.com/show_oc.php?id=1276134
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post #775 of 1477
I have a question I'd like to ask. I'm trying to get to 4.2GHz with my setup. Here are the settings I'm using:

BCLK: 200
Multi:21x
Memory Multi: x8
Uncore: x17
QPI: x36
DRAM Timings: 8-8-8-24-2T
vDimm: 1.66

The sticks I use are OCZ Gold 12GB PC-8500 1600MHz 8-8-8-24-2T Max vdimm:1.65

With the above BIOS settings, I'm at the max rated specs of my RAM. So I figured I better run memtest86+ before I boot into windows and run Prime 95 or Linx. I started the test and there were no errors in the first 1+hr. Not wanting to stop the test, thought I'll get some sleep and by the time I woke up Memtest86 was at 84% completion but had already reported abt 5 errors.
Does the failure mean I cannot have these sticks run at those ratings and I have hit a wall? Or would increasing the QPI Voltage and/or vDimm help make the memory pass memtest86+? Keep in mind that I'm already at max recommended vDimm.

Any help here will be much appreciated. thanks
Edited by maverickpk - 7/4/10 at 4:55am
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post #776 of 1477
need some help here guys, I just cant get stable OCs >=3.8ghz

my settings (for 3.8ghz):

Ai Overclock Tuner.....................[Manual]
CPU Ratio Setting......................[Auto]
Intel(r) SpeedStep(tm) Tech............[Enabled]
TurboMode Tech......................................[Enabled]
Xtreme Phase Full Power Mode...........[Enabled]
BCLK Frequency.........................[181]
PCIE Frequency.........................[100]
DRAM Frequency.........................[DDR3-1451MHz]
UCLK Frequency.........................[Auto]
QPI Link Data Rate.....................[Auto]

CPU Voltage Control....................[Manual]
CPU Voltage............................[1.22500]
CPU PLL Voltage........................[Auto]
QPI/DRAM Core Voltage..................[1.25000]
IOH Voltage............................[Auto]
IOH PCIE Voltage.......................[Auto]
ICH Voltage............................[Auto]
ICH PCIE Voltage.......................[Auto]
DRAM Bus Voltage.......................[1.65]


Load-Line Calibration..................[Enabled]
CPU Differential Amplitude.............[Auto]
CPU Clock Skew.........................[Auto]
CPU Spread Spectrum....................[Auto]
IOH Clock Skew.........................[Auto]
PCIE Spread Spectrum...................[Auto]

C1E Support............................[Enabled]
Hardware Prefetcher....................[Enabled]
Adjacent Cache Line Prefetch...........[Enabled]
Intel(r) Virtualization Tech...........[Enabled]
CPU TM Function........................[Enabled]
Execute Disable Bit....................[Enabled]
Intel(r) HT Technology.................[Enabled]
Active Processor Cores.................[All]
A20M...................................[Disabled]
Intel(r) SpeedStep(tm) Tech............[Enabled]
Intel(r) C-STATE Tech..................[Disabled]


What should I change?
is 80c peak ok for prime95 testing?
post #777 of 1477
Quote:
Originally Posted by maverickpk View Post
I have a question I'd like to ask. I'm trying to get to 4.2GHz with my setup. Here are the settings I'm using:

BCLK: 200
Multi:21x
Memory Multi: x8
Uncore: x17
QPI: x36
DRAM Timings: 8-8-8-24-2T
vDimm: 1.66

The sticks I use are OCZ Gold 12GB PC-8500 1600MHz 8-8-8-24-2T Max vdimm:1.65

With the above BIOS settings, I'm at the max rated specs of my RAM. So I figured I better run memtest86+ before I boot into windows and run Prime 95 or Linx. I started the test and there were no errors in the first 1+hr. Not wanting to stop the test, thought I'll get some sleep and by the time I woke up Memtest86 was at 84% completion but had already reported abt 5 errors.
Does the failure mean I cannot have these sticks run at those ratings and I have hit a wall? Or would increasing the QPI Voltage and/or vDimm help make the memory pass memtest86+? Keep in mind that I'm already at max recommended vDimm.

Any help here will be much appreciated. thanks
Your RAM and Uncore multipliers both seem awfully high. If you multiply your RAM mult by your BCLK, that'll put you at 1600MHz... adjusted will make that 3200MHz! I don't know if Giga Mobos are different from MSI Mobos, but I have to run my RAM Mult at 4x to get my RAM to run at 1600MHz on a BCLK of 200. If this is the case, try reducing you RAM and Uncore Mults. If you have an Auto setting for both, switch to auto first, test for stability at 4.2, then slowly start adjusting your RAM settings for stability.
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The Tempest Keep
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post #778 of 1477
Quote:
Originally Posted by -Sweeper_ View Post
need some help here guys, I just cant get stable OCs >=3.8ghz

my settings (for 3.8ghz):

Ai Overclock Tuner.....................[Manual]
CPU Ratio Setting......................[Auto]
Intel(r) SpeedStep(tm) Tech............[Enabled]
TurboMode Tech......................................[Enabled]
Xtreme Phase Full Power Mode...........[Enabled]
BCLK Frequency.........................[181]
PCIE Frequency.........................[100]
DRAM Frequency.........................[DDR3-1451MHz]
UCLK Frequency.........................[Auto]
QPI Link Data Rate.....................[Auto]

CPU Voltage Control....................[Manual]
CPU Voltage............................[1.22500]
CPU PLL Voltage........................[Auto]
QPI/DRAM Core Voltage..................[1.25000]
IOH Voltage............................[Auto]
IOH PCIE Voltage.......................[Auto]
ICH Voltage............................[Auto]
ICH PCIE Voltage.......................[Auto]
DRAM Bus Voltage.......................[1.65]


Load-Line Calibration..................[Enabled]
CPU Differential Amplitude.............[Auto]
CPU Clock Skew.........................[Auto]
CPU Spread Spectrum....................[Auto]
IOH Clock Skew.........................[Auto]
PCIE Spread Spectrum...................[Auto]

C1E Support............................[Enabled]
Hardware Prefetcher....................[Enabled]
Adjacent Cache Line Prefetch...........[Enabled]
Intel(r) Virtualization Tech...........[Enabled]
CPU TM Function........................[Enabled]
Execute Disable Bit....................[Enabled]
Intel(r) HT Technology.................[Enabled]
Active Processor Cores.................[All]
A20M...................................[Disabled]
Intel(r) SpeedStep(tm) Tech............[Enabled]
Intel(r) C-STATE Tech..................[Disabled]


What should I change?
is 80c peak ok for prime95 testing?
We're going to needs more info on your setup (i.e. cpu, mobo, cooler, etc). Also, the guide says to disable all the CPU Advanced & Power Saving features. I see that you have everything enabled. Have you tried testing for stability with all of them off, prior to testing with them on?
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The Tempest Keep
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Hard DriveOSMonitorKeyboard
WD 1TB Raid 0 Windows 7 Ultimate x64 NEC 20WMGX2 | Samsung 206BW Logitech G15 
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post #779 of 1477
guys i need some settings for a 4.2Ghz setting on the MSI-X58 Pro e board..i set multi to 21 but when it loads up it drops to 20..is this a bug or is there a workaround this one??

Multi 21
Bclock 200
Mems 1600
Vcore 1.32v(bios) 1.3v(cpu-z)
VTT 1.35
IOH and ICH on auto
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post #780 of 1477
What spread spectrum does? Does it make cpu hotter than without it? yes i'm makin stupid questions, sorry
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