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 Intel Core i7 LGA1366 & X58 Overclocking V2, Discussion, Benchmarks, Stabilty, Guides

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TSowikh84
post Aug 31 2010, 01:52 PM, updated 12y ago

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Intel Core i7 LGA1366 & X58 OC Thread V2

This thread is to discuss about Intel Core i7 LGA1366 & X58 overclocking.
Please share your benchmark, stability test, guides etc...

» Click to show Spoiler - click again to hide... «


LGA1156/P55/H55/H57 vs LGA1366/X58
user posted image

BCLK (Base Clock) - To keep things as simple as possible, this is the setting that we will be increasing to achieve our desired overclock. The default value for our 920 processor is 133.
QPI (Quick Path Interconnect) - The QPI connects the processor to the In Out Hub (IOH) - In other words, it is the way that your processor talks to the rest of your system.
Multipliers (Multis) and Dividers - As with previous platforms, i7 uses multipliers and dividers, but the way that i7 differs is that there are several of them for various things. For example, your CPU has a default multiplier (Multi) of 21x and there is a multiplier for the memory and the UnCore
UnCore - This is simply any part of the processor that is not the core, such as the memory controller or cache
Turbo Mode - is quite a complex feature, but to sum it up, if enabled, it will give you an extra multi, so on our 920, we get 21x instead of 20x
Vcore - This is just another term for the main CPU Voltage.

Software:
CPU-Z 1.59
LinX 0.6.4 - 10.3.9.015
Intel BurnTest 2.52
RealTemp 3.66 - works for 6 cores
CoreTemp 1.0 RC2
HWiNFO32 3.70
Prime95 32-Bit 27.1
Prime95 64-Bit 27.1
SuperPI Mod XS 1.5
HyperPI 0.99 Beta
AIDA64 2.00.1700
Cinebench 11.5

Here are some links you may find useful:

- Intel Core i7 Specifications
- Ultimate Core i7 Overclocking Guide
- from X-bit labs
- Guide to Overclocking the Core I7 920 to 4.0Ghz
- Intel I7 & X58 oc and discussion thread V1

DDR3 IC
Attached Image

BSOD codes for overclocking:
QUOTE
0x101 = increase vcore
0x124 = increase vcore
0x0A = unstable RAM/IMC, increase QPI first, if that doesn't work increase vcore
0x1E = increase vcore
0x3B = increase vcore
0x3D = increase vcore
0xD1 = QPI/VTT, increase/decrease as necessary, can also be unstable Ram, raise Ram voltage
0x9C = QPI/VTT most likely, but increasing vcore has helped in some instances
0x50 = RAM timings/Frequency or uncore multi unstable, increase RAM voltage or adjust QPI/VTT, or lower uncore if you're higher than 2x
0x109 = Not enough or too Much memory voltage
0x116 = Low IOH (NB) voltage, GPU issue (most common when running multi-GPU/overclocking GPU)
0x7E = Corrupted OS file, possibly from overclocking. Run sfc /scannow and chkdsk /r


This post has been edited by owikh84: Feb 25 2012, 10:08 PM
TSowikh84
post Aug 31 2010, 01:52 PM

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EVGA X58 3XSLI Classified E760

Latest BIOS: 75
- Adds IOH Clock Skew, tWL and tREF options to BIOS

BIOS Template:
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4.2Ghz HT ON, dram 2000Mhz 7-7-7-20
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4.2Ghz HT OFF, dram 2000Mhz 7-7-7-20
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4.3Ghz, dram 2050Mhz 7-7-7-20
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4.4Ghz, dram 2100Mhz 7-7-7-20
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4.5Ghz, dram 2150Mhz 8-8-8-24
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4.557Ghz (217x21), dram 2170Mhz 8-8-8-24
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4.6Ghz, dram 1760Mhz 6-6-6-18
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This post has been edited by owikh84: Mar 30 2011, 07:07 AM
TSowikh84
post Aug 31 2010, 01:53 PM

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4.2Ghz, dram 1600Mhz 6-6-6-18

uncore 3.2Ghz
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uncore 3.6Ghz
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uncore 4.0Ghz
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uncore 4.2Ghz
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This post has been edited by owikh84: Sep 2 2010, 07:32 PM
TSowikh84
post Aug 31 2010, 01:53 PM

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Asus Rampage III Extreme

Latest BIOS: 1102
1. Support new CPUs

BIOS Template:
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4.2Ghz, dram 2000Mhz 7-8-7-20, QPI slow mode
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4.3Ghz, dram 2050Mhz 7-8-7-20, QPI slow mode
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4.3Ghz, dram 2050Mhz 7-7-7-20, QPI slow mode
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4.3Ghz, dram 2050Mhz 7-7-7-20, QPI normal
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4.4Ghz, dram 2100Mhz 7-7-7-20
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4.5Ghz, dram 2150Mhz 8-8-8-24
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=============================================

How this CPU config affects PI score

Hardware Prefetcher: OFF ----> 8.39.876mm
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Hardware Prefetcher: ON ----> 8.12.695m
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This post has been edited by owikh84: Dec 22 2010, 06:40 AM
TSowikh84
post Aug 31 2010, 02:23 PM

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EVGA X58 3XSLI Classified E760
Kingston KHX2000C9T1 6GB

4.3GHz, dram 2050Mhz 9-9-9-27-1T
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4.4GHz, dram 2100Mhz 8-9-8-21-1T
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DFI DK x58 T3eH6
4.4GHz, dram 2100Mhz 9-9-9-21-1T
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This post has been edited by owikh84: Feb 20 2011, 11:01 PM
lichyetan
post Aug 31 2010, 03:05 PM

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Intel Core i7 + Rampage III Extreme + Patriot Value Ram

3.916Ghz @ DDR3 1865 @ 9-9-9-27
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4Ghz @ DDR3 1900 @ 9-9-9-27
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3.8Ghz @ DDR3 2000 @ 9-9-9-27
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i7 950 + Patriot Value Series DDR3 1333@ DDR3 1874 Prime95 Custom Test 5 hours
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i7 950 + Patriot Value Series DDR3 1333@ DDR3 1900 Prime95 Custom Test 5 hours
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This post has been edited by lichyetan: Sep 13 2010, 12:11 AM
antonio
post Aug 31 2010, 03:10 PM

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Lol owikh suke bukak thread tongue.gif

Btw nice result there lichyetan... D9 is it??

This post has been edited by metsatsu: Aug 31 2010, 06:45 PM
lichyetan
post Aug 31 2010, 03:10 PM

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QUOTE(antonio @ Aug 31 2010, 03:10 PM)
Lol owikh suke bukak thread tongue.gif

Btw nice result there lichyetan... D9 is it??

Added on August 31, 2010, 3:10 pmLol owikh suke bukak thread tongue.gif

Btw nice result there lichyetan... D9 is it??
*
special ram dari bro antonio... thumbup.gif
metsatsu
post Aug 31 2010, 04:25 PM

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V1 thread closed smile.gif

I'm gonna be posting up some results too. but nothing surprising though...

Added on August 31, 2010, 6:38 pmCore i7 975 4.2Ghz HT on, dram 1600Mhz 6-6-6-18

uncore 4.0Ghz
» Click to show Spoiler - click again to hide... «


But I still failed at 2000mhz DRAM C7. other than just bumping up the vdimm to 1.65V and changing dram frequency/latency to 2000mhz 7-7-7-20 T1. The rest i left it at auto. should i be bumping up the VTT too? or could it the RAM all the while??

This post has been edited by metsatsu: Aug 31 2010, 07:14 PM
TSowikh84
post Aug 31 2010, 07:28 PM

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for 2100 7-7-7-20-1T (lower tRCD rather than 7-8-7-20-1T)
change read to read and write to write (same ranks) from 4 to 6.
metsatsu
post Aug 31 2010, 08:37 PM

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tried setting to 1.66Vdimm. then after booting into windows, 6gb turned to 4gb. but after i set it back to 1.51V, all 6gb shows.....

I don't like the look of it....
selfdz87
post Aug 31 2010, 09:22 PM

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TSowikh84
post Aug 31 2010, 09:52 PM

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QUOTE(metsatsu @ Aug 31 2010, 08:37 PM)
tried setting to 1.66Vdimm. then after booting into windows, 6gb turned to 4gb. but after i set it back to 1.51V, all 6gb shows.....

I don't like the look of it....
*
Rtl let it auto 1st. Wromg rtl will result in ram disappearing.
kaka_89
post Aug 31 2010, 09:58 PM

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@mets..

gflops x stabil.. tongue.gif ..bahaye tuh.. brows.gif
metsatsu
post Aug 31 2010, 10:20 PM

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QUOTE(owikh84 @ Aug 31 2010, 09:52 PM)
Rtl let it auto 1st. Wromg rtl will result in ram disappearing.
*
ok, thanks. I will give it a try

QUOTE(kaka_89 @ Aug 31 2010, 09:58 PM)
@mets..

gflops x stabil.. tongue.gif ..bahaye tuh.. brows.gif
*
oh, that. actually I was surfing net and running java games when linx was running. hence the inconsistent gflops. tongue.gif

This post has been edited by metsatsu: Sep 1 2010, 07:24 AM
kaka_89
post Aug 31 2010, 11:50 PM

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woooo.. drool.gif ..patriot VR par with my dom.. tongue.gif ..

running that for 24/7 ar bro..?..
cstkl1
post Sep 1 2010, 11:25 AM

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QUOTE(metsatsu @ Aug 31 2010, 08:37 PM)
tried setting to 1.66Vdimm. then after booting into windows, 6gb turned to 4gb. but after i set it back to 1.51V, all 6gb shows.....

I don't like the look of it....
*
for 1600 C6.. for Pheonix bios at bclk 200 is arond 46,49,50/51 for uncore 3.2
and for 4.2 u can do 58,60,61/62

2k c7 try 7-8-7-20 first at 1.6-1.61v bios set rtl 53/54,55/56/57,58 combi.. hmm with a weak imc actually advice to do 55,57,58

the new bios is more fussy about rtl channel C.



This post has been edited by cstkl1: Sep 1 2010, 11:31 AM
lichyetan
post Sep 1 2010, 03:12 PM

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QUOTE(kaka_89 @ Aug 31 2010, 11:50 PM)
@lichyetan

woooo.. drool.gif ..patriot VR par with my dom.. tongue.gif ..

running that for 24/7 ar bro..?..
*
not 24/7 settings, for ddr3 1900, could not pass prime95 25.9 (64 bit), custom test with 5500mb memory (128-4096 FFT) in diag mode. Keep getting freezing problem after 2-3 hours run. But it pass LinX 20 loops easily. Still fine tuning it. Might try to prime 1866mhz later if cant get 1900 fully prime stable.

QUOTE(cstkl1 @ Sep 1 2010, 11:25 AM)
for 1600 C6.. for Pheonix bios at bclk 200 is arond 46,49,50/51 for uncore 3.2
and for 4.2 u can do 58,60,61/62

2k c7 try 7-8-7-20 first at 1.6-1.61v bios set rtl 53/54,55/56/57,58 combi.. hmm with a weak imc actually advice to do 55,57,58

the new bios is more fussy about rtl channel C.
*
cstkl1, how do u calculate the RTL... I using the excel spreadsheet from anandtech now to set the RTL. Any information to share on getting correct RTL ?

This post has been edited by lichyetan: Sep 1 2010, 03:12 PM
TSowikh84
post Sep 1 2010, 07:59 PM

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QUOTE(lichyetan @ Sep 1 2010, 03:12 PM)
not 24/7 settings, for ddr3 1900, could not pass prime95 25.9 (64 bit), custom test with 5500mb memory (128-4096 FFT) in diag mode. Keep getting freezing problem after 2-3 hours run. But it pass LinX 20 loops easily. Still fine tuning it. Might try to prime 1866mhz later if cant get 1900 fully prime stable.
cstkl1, how do u calculate the RTL... I using the excel spreadsheet from anandtech now to set the RTL. Any information to share on getting correct RTL ?
*
3) No typical values per se, although most of the time the memory controller prefers channel B and C to be offset by a few clocks past A. So channel B is generally +2~3 clocks and Channel C +3~5 clocks over the Channel A value. Assuming trace lengths are well matched between slots the need for such offset lies within the memory controller (although capacitance of serpentine traces may come into play at higher frequency).

Source
lichyetan
post Sep 1 2010, 09:01 PM

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QUOTE(owikh84 @ Sep 1 2010, 07:59 PM)
3) No typical values per se, although most of the time the memory controller prefers channel B and C to be offset by a few clocks past A. So channel B is generally +2~3 clocks and Channel C +3~5 clocks over the Channel A value. Assuming trace lengths are well matched between slots the need for such offset lies within the memory controller (although capacitance of serpentine traces may come into play at higher frequency).

Source
*
wow.. nice link there... think more forumers should read them if wanna clock ram.

now running 1866mhz with prime95 128-4096fft 5500mb custom test, hopefully can pass 4 hours stability test at least, then I will use it as my 24/7 settings. Damn R3E for no cooling on vtt pwm on stock cooling. Will try fusion block later to test if it does bring the board temp down, maybe by bringing down cpu pwm and chipset temp down, it will reduce the vtt pwm as well because the PCB has less hotspot.

Temporarily outta budget to get FB. laugh.gif

Or is it worth to invest a FB for R3E ? Or i am good to go with Fusion block... ??? unsure.gif

Add on : anyone knw which settings mostly causing the system to BSOD after 2-3 hours of prime95 ? all my settings pass LinX well... now trying with 1866mhz in diag mode.

This post has been edited by lichyetan: Sep 1 2010, 09:03 PM
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