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Guide to Overclocking the Core I7 920 or 930 to 4.0ghz - Page 142

post #1411 of 1477
So I am back to the grind doing this on a X5660 posting in the X5660 thread,

I am a bit confused on how this is different than the 930 O/C (I had 4.5ghz on that)

Aximous said:
Quote:
Originally Posted by Aximous View Post

On the old series it was advised to maintain a 2.0 uncore:dram ratio meaning that if you had 8x memory multiplier you set the uncore to x16, now with 32nm you can go lower for example I'm running a x14 uncore multi with 8x memory multi, that gives a 1.75 ratio which is in the middle of the previously mention range. This can lead to lower uncore voltages for example. A rule of thumb for the uncore multi could be to set it to 2 times the memory multi minus 2 then you can change it 1 step lower or 2 step higher. I hope this helps.

The QPI should always be set to x36 as that is the lowest after slow mode.

One more thing that changes from 45nm to 32nm is some voltages, max uncore is 1.4V, max PLL is 2.0V I think these are the only different ones.
I am posting my results here:
http://www.overclock.net/t/1461359/xeon-x5660-x58-full-review-comparison-to-x79-high-end-cpus-and-xeon-l5639-benchmarks-inside-longest-post-ever/210_70#post_21893549

QUESTION
When I run Prime and Intel Burn test my core speed goes from 4.5ghz to 2.4ghz does this make sense?
QUESTION Does this mean though that on my initial overclock:

A. QPI to x36 not slow mode
B.Based on Ram below, does this mean my SPD If my ram frequency to 1600 should I change the spd of 12?
I set it to an SPD of 8, uncore to 14 here are my settings:

G.Skill Triple Channel Memory kit:
6GB (3x2GB) Tri CH Memory
DDR3 1600
CL9-9-9-24
F3-12800CL9T-6GBNQ
My settings (Click to show)
Code:
Advanced CPU Features:               
        CPU Clock Ratio 23
        CPU Frequency   4.53
Advanced Frequency Settings             
        Intel(R) Turbo Boost Tech       Enabled
        CPU Cores Enabled       All
        CPU Multi Threading     Enabled
        CPU Enhanced Halt (C1E) Disabled
        C3/C6/C7 State Support  Disabled
        CPU Thermal Monitor     Enabled
        CPU EIST Function       Disabled
        Bi-Directional Prochot  Enabled
Uncore & QPI Features               
        QPI Link Speed  x36
        Uncore Frequency        14
Standard Clock Control          
        Base Clock (BCLK) Control       Enabled
        BCLK Frequency (MHz)    197
        PCI Express Frequency (MHz)     101
        C.I.A.2 Disabled
Advanced Clock Control          
        CPU Clock Drive 800
        PCI Express Clock Drive 900
        CPU Clock Skew  0
        IOH Clock Skew  0
Advanced Ram Features           
        Performance Enhance     Standard
        Extreme Memory Profile (XMP)    Disabled
        System Memory Multiplier (SPD)  8
        DRAM Timing Selectable  Quick
        Channel Interleaving    6
        Rank Interleaving       4
Channel A + B + C               
Channel A Timing Settings               
        Channel A Standard Timing Control       
        CAS Latency Time        Auto
        tRCD    Auto
        tRD     Auto
        tRAS    Auto
        Channel A Advanced Timing Control       
        tRC     Auto
        tRRD    Auto
        tWTR    Auto
        tWR     Auto
        tWTP    Auto
        tWL     Auto
        tRFC    Auto
        tRTP    Auto
        tFAW    AUTO
        Command Rate    1
        Channel A Miscellaneous Timing Control  
        Round Trip Latency      AUTO
        B2B CAS Delay   AUTO
Advanced Voltage Control                
CPU             
        Load Line Calibration   Level 2
        CPU Vcore 1.16250v      1.60125
        Dynamic Vcore (DVID)    
        QPI/VTT Voltage 1.355v
        CPU PLL 1.8v    1.5v
MCH/ICH         
        PCIE 1.5v       1.54v
        QPI PLL 1.1v    1.16v
        IOH Core 1.1v   1.20v
        ICH I/O 1.5v    1.5v
        ICH Core 1.1v   1.14v
DRAM            
        DRAM Voltage 1.5v       1.68v
        DRAM Termination .75v   AUTO
        CH-A Data Vref .75v     AUTO
        CH-B Data Vref .75v     AUTO
        CH-C Data Vref .75v     AUTO
        CH-A Address Vref .75v  AUTO
        CH-B Address Vref .75v  AUTO
        CH-C Address Vref .75v  AUTO
Miscellaneous Settings          
        Virtualization Technology       Disabled
        Isonchronous Frequency  Enabled

Appreciate the help running at:

Also the Xeon seems to be fluctuating under load, does this make sense?
I tried it on a x23 multiplier and it went from 4.5 at idle to 2.4 under load.

Then on x21 it did the same thing.
I have
Intel Turbo Disabled (was enabled for x23)
CPu Cores enabled ALL
CPU Multi Threading ENABLED
C1E Disabled
C3/c6/c7 State Disabled
CPU Thermal Monitor Enabled
CPU EIST Function DISABLEd
Bi Directional Prochot Disabled


Further testing is showing that the multiplier is whats fluctuating. What causes the Multiplier to fluctuate? It goes from 21 to 15 to 10 to 8
Edited by dpoverlord - 3/4/14 at 4:54pm
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post #1412 of 1477
Intel Burn test ran 15 threads no problem

Prime 95 is failing after 1-2 hrs raised Vcore not much of a differnce
Prime Error (Click to show)
Problem signature:
Problem Event Name: APPCRASH
Application Name: prime95.exe
Application Version: 27.9.1.0
Application Timestamp: 50c8c9bb
Fault Module Name: prime95.exe
Fault Module Version: 27.9.1.0
Fault Module Timestamp: 50c8c9bb
Exception Code: c0000005
Exception Offset: 000000000044ed45
OS Version: 6.1.7601.2.1.0.256.4
Locale ID: 1033
Additional Information 1: 2fda
Additional Information 2: 2fdaafef519ecd37ee530e10e7a5537a
Additional Information 3: 57a8
Additional Information 4: 57a8c7ccd202b601859a7195a28d3c2c

Just changed Load Line to level 2
Lowered QPI VTT from 1.35 to 1.335
IO Core to 1.2 from 1.1
ICH Core to 1.2 from 1.1

Disabled Virtualization Technology.

Other programs seem to be fine, do you think its a memory thing or just need more vcore?
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post #1413 of 1477
Quote:
Originally Posted by dpoverlord View Post

Intel Burn test ran 15 threads no problem

Prime 95 is failing after 1-2 hrs raised Vcore not much of a differnce
Prime Error (Click to show)
Problem signature:
Problem Event Name: APPCRASH
Application Name: prime95.exe
Application Version: 27.9.1.0
Application Timestamp: 50c8c9bb
Fault Module Name: prime95.exe
Fault Module Version: 27.9.1.0
Fault Module Timestamp: 50c8c9bb
Exception Code: c0000005
Exception Offset: 000000000044ed45
OS Version: 6.1.7601.2.1.0.256.4
Locale ID: 1033
Additional Information 1: 2fda
Additional Information 2: 2fdaafef519ecd37ee530e10e7a5537a
Additional Information 3: 57a8
Additional Information 4: 57a8c7ccd202b601859a7195a28d3c2c

Just changed Load Line to level 2
Lowered QPI VTT from 1.35 to 1.335
IO Core to 1.2 from 1.1
ICH Core to 1.2 from 1.1

Disabled Virtualization Technology.

Other programs seem to be fine, do you think its a memory thing or just need more vcore?

Running pretty hot, when 1366 cpus came out the max temps advised at OCN for stress testing then was ~ 70°. I've never run a cpu that hot to see if it throttles there or not, but it does appear to be throttling under load.
    
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post #1414 of 1477
Quote:
Originally Posted by FtW 420 View Post

Running pretty hot, when 1366 cpus came out the max temps advised at OCN for stress testing then was ~ 70°. I've never run a cpu that hot to see if it throttles there or not, but it does appear to be throttling under load.

Its not throttling anymore 1 hr in and Prime95 is still going

tems are 70-75C
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post #1415 of 1477
Much better, any other changes to stop it from throttling or was it the heat?
    
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post #1416 of 1477
Hi, I have a i7 920 D0 running at stock speed, Its setting in a evga x58 LE mobo, with 6gb of ram running at 1600 MHz. I just upgraded too a gtx 780, and I know my chip is capping what it can do some so im looking for help on upping my clock speed some, Not a lot, Just enough too get bit more out of my gpu , For cooling I have the Old h50 temp on the cores are at 40c now

I would like to hopefully set it at 3.0ghz and that should help but not run the chip too hard.

So could someone help with with bios settings to up the chip too 3.0, as i do not have a clue.
Wish there was good software too change clock speeds like there are for gpu
post #1417 of 1477
Overclock wise here are the results:

We moved from 928/1000MHZ to 1150MHZ / 3105 on the Titans

CPU overclock to 4566ghz from 2.8GHZ

12GB of RAm @ 868mhz T2

http://www.techpowerup.com/gpuz/mwcpa/
http://valid.canardpc.com/vzzz7p

Settings: Stable 4.56GHZ Will roll back to 4.4 though (Click to show)
Code:
Advanced CPU Features:               Current settings
        CPU Clock Ratio 21
        CPU Frequency   4566GHZ
Advanced Frequency Settings             
        Intel(R) Turbo Boost Tech       Disabled
        CPU Cores Enabled       ALL
        CPU Multi Threading     Enabled
        CPU Enhanced Halt (C1E) Disabled
        C3/C6/C7 State Support  Disabled
        CPU Thermal Monitor     Auto
        CPU EIST Function       Disabled
        Bi-Directional Prochot  Auto
Uncore & QPI Features               
        QPI Clock Ratio X36
        QPI Link Speed  7.56GT
        Uncore Clock Ratio      X16
        Uncore Frequency        3780MHZ
Standard Clock Control          
        Base Clock (BCLK) Control       
        BCLK Frequency (MHz)    215(210 Works as well and is less heat intensive
        PCI Express Frequency (MHz)     101
        C.I.A.2 
Advanced Clock Control          
        CPU Clock Drive 800
        PCI Express Clock Drive 900
        CPU Clock Skew  0
        IOH Clock Skew  0
Advanced Ram Features           
        Performance Enhance     Standard
        Extreme Memory Profile (XMP)    Disabled
        System Memory Multiplier (SPD)  8
        DRAM Timing Selectable  Quick
        Channel Interleaving    6
        Rank Interleaving       4
Channel A + B + C               
Channel A Timing Settings               
        Channel A Standard Timing Control       These can all be changed below I had it once set to 9 9 9  -24 3 dimms did 7-8-7-22
        CAS Latency Time        9
        tRCD    9
        tRD     9
        tRAS    24
        Channel A Advanced Timing Control       Auto
        tRC     Auto
        tRRD    Auto
        tWTR    Auto
        tWR     Auto
        tWTP    Auto
        tWL     Auto
        tRFC    Auto
        tRTP    Auto
        tFAW    Auto
        Command Rate    1
        Channel A Miscellaneous Timing Control  Auto
        Round Trip Latency      Auto
        B2B CAS Delay   Auto
Advanced Voltage Control                
CPU             
        Load Line Calibration   Level 2
        CPU Vcore 1.16250v      1.4
        Dynamic Vcore (DVID)    
        QPI/VTT Voltage 1.335
        CPU PLL 1.8v    Auto
MCH/ICH         
        PCIE 1.5v       Auto
        QPI PLL 1.1v    Auto
        IOH Core 1.1v   Auto
        ICH I/O 1.5v    Auto
        ICH Core 1.1v   Auto
DRAM            
        DRAM Voltage 1.5v       1.5
        DRAM Termination .75v   Auto
        CH-A Data Vref .75v     Auto
        CH-B Data Vref .75v     Auto
        CH-C Data Vref .75v     Auto
        CH-A Address Vref .75v  Auto
        CH-B Address Vref .75v  Auto
        CH-C Address Vref .75v  Auto
Miscellaneous Settings          
        Virtualization Technology       Disabled
        Isonchronous Frequency  Enabled
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post #1418 of 1477
I overclocked my CPU @ 4.2Ghz and my prime95 temps are like these after 30min. What are safe max temps when running prime95?


When going past 4.2Ghz i have gotten 2 diffrent bluescreens. "IRQL_NOT_LESS_OR_EQUAL" and " "CLOCK_WATCHDOG_TIMEOUT". what values should i change too avoid bluescreens or is this how high i can overclock?

I sat the following settings when overclocking too 4.2Ghz:

ioh and ich to 1.2
vdimm to 1.65
cpu pll to 1.88
qpi/uncore to 1.35
vcore to 1.3125
Bclk to 200
multiplier to 21

Also 2 of my usb ports have stopped working this happened after the first overclock @ 4.0Ghz, anyway to fix this?
Edited by Mattriz - 3/10/14 at 6:40pm
post #1419 of 1477
Quote:
Originally Posted by Mattriz View Post

I overclocked my CPU @ 4.2Ghz and my prime95 temps are like these after 30min. What are safe max temps when running prime95?


When going past 4.2Ghz i have gotten 2 diffrent bluescreens. "IRQL_NOT_LESS_OR_EQUAL" and " "CLOCK_WATCHDOG_TIMEOUT". what values should i change too avoid bluescreens or is this how high i can overclock?

I sat the following settings when overclocking too 4.2Ghz:

ioh and ich to 1.2
vdimm to 1.65
cpu pll to 1.88
qpi/uncore to 1.35
vcore to 1.3125
Bclk to 200
multiplier to 21

Also 2 of my usb ports have stopped working this happened after the first overclock @ 4.0Ghz, anyway to fix this?


Your Vdimm is VERY HIGH... Too High!!! But the good thing is you know you can do 4.2

At this point roll back to 4GHz lower it to 1.335 and set your Vdroop calivration (load level) to level 1.
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send a cpuiz pic and validator please
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Optical DriveCoolingOSMonitor
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