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Old 03-13-09, 09:45 AM   #73
hell_of_doom227
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Default Re: Core i7 Overclocking thread

I have D0 stepping. It seems this thing runs 3.8Ghz on stock voltage.
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Old 03-13-09, 10:42 AM   #74
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Default Re: Core i7 Overclocking thread

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I have D0 stepping. It seems this thing runs 3.8Ghz on stock voltage.
Where did you get it ??
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Old 03-13-09, 10:52 AM   #75
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Default Re: Core i7 Overclocking thread

Newegg like hmmm 4-5 days ago, i guess i was lucky. It was in retail box.
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Old 03-13-09, 04:30 PM   #76
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Default Re: Core i7 Overclocking thread

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Originally Posted by hell_of_doom227 View Post
Newegg like hmmm 4-5 days ago, i guess i was lucky. It was in retail box.
Very nice. I'm going to get one myself. They run cooler and need less volts.
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Old 03-14-09, 10:42 AM   #77
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Default Re: Core i7 Overclocking thread

Well my problem definitely seems to be that the mobo doesn't like OCing 6 dimms. The RAM all checks out fine, and booting with 3gb of either set is no problem.

Also, booting with 6 dimm at stock speeds is stable.

It's just when I try to get 6 sticks to boot w/ OC, I fail at C1 code and get beeping. I tried bumping the QPI PLL incrementally all the way to 1.5, but no avail.

Stable settings for 3.8ghz at boot (4.02ghz with Turbo in Vista)

Mother Board ( EVGA X58 X3 SLI )
Bios ( SZ21 )
CPU ( 920, Batch 3841A586)
CPU Cooler ( xigmatek dark knight )
Memory ( Qimonda Aeneon Xtune DDR3 1600)
PSU ( PC Power and Cooling Silencer 750 )
GPU ( GTX295 )
Drivers ( 180.something )
Operating System ( Vista 64)


Frequency Control
CPU Clock Ratio ( 20X )
CPU Host Frequency (Mhz) ( 192 )
MCH Strap ( 1600mhz )
CPU Uncore Frequency (Mhz) ( 3077mhz (16x) )
Spread Spectrum ( Disabled )
PCIE Frequency (Mhz) ( 100 )


Memory Feature
Memory Control Setting (Enabled )
Memory Frequency ( 1067mhz / 2:8 )
Channel Interleave Setting ( 6 Way )
Rank Interleave Setting ( 4 Way )
Memory Low Gap ( Auto )
tCL Setting ( 9 )
tRCD Setting ( 9 )
tRP Setting ( 9 )
tRAS Setting ( 24 )
tRFC Setting ( 74 )
Command Rate ( 2T)


Voltage Control
EVGA VDroop Control ( Without VDroop )
CPU VCore ( 1.300 )
CPU VTT Voltage ( +200 )
CPU PLL VCore (Auto )
DIMM Voltage ( 1.525 )
DIMM DQ Vref ( +0 )
QPI PLL VCore ( 1.25 )
IOH VCore ( 1.2 )
IOH/ICH I/O Voltage ( Auto )
ICH VCore ( Auto )
PWM Frequency ( 800 )


CPU Feature
Intel SpeedStep ( Disabled )
Turbo Mode Function ( Enabled )
CxE Function ( Disabled )
Execute Disable Bit ( Disabled )
Virtualization Technology ( Disabled )
Intel HT Technology ( Disabled )
Active Processor Cores ( All )
QPI Control Settings ( Enabled )
QPI Link Fast Mode ( Enabled )
QPI Frequency Selection ( 4.8gt/s )
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Old 03-14-09, 11:47 AM   #78
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Default Re: Core i7 Overclocking thread

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Originally Posted by slaWter View Post
Do you guys use Load Line Calibration (or similar anti-VDroop features) for overclocking the i7?
I used that feature for the QX9650 but my i7 doesn't have a really noticeable VDroop.
I use the vdroop feature...it helped a lot.
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Old 03-14-09, 03:50 PM   #79
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Default Re: Core i7 Overclocking thread

I also use LLC. It does help to a stabilize an overclock.
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Old 03-14-09, 06:35 PM   #80
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Default Re: Core i7 Overclocking thread

I think I have the golden chip.

I can boot 4.0 at 1.25vcore...

4.2 now with 1.283, HT and Turbo on. Too bad I can't get my ****ing ram to work with 6 sticks.
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Old 03-14-09, 06:45 PM   #81
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Default Re: Core i7 Overclocking thread

Might try some of this action:

http://www.newegg.com/Product/Produc...82E16820227388
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Old 03-14-09, 07:13 PM   #82
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Default Re: Core i7 Overclocking thread

Quote:
Originally Posted by methimpikehoses View Post
I think I have the golden chip.

I can boot 4.0 at 1.25vcore...

4.2 now with 1.283, HT and Turbo on. Too bad I can't get my ****ing ram to work with 6 sticks.
Looks like you have a nice chip indeed.

Quote:
Originally Posted by methimpikehoses View Post
I'd say it's more related to the Motherboard, than the Ram itself. Keep playing with those settings. Also keep the bios up to date.
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Old 03-14-09, 07:17 PM   #83
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Default Re: Core i7 Overclocking thread

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Originally Posted by Muppet View Post
Looks like you have a nice chip indeed.

I'd say it's more related to the Motherboard, than the Ram itself. Keep playing with those settings. Also keep the bios up to date.
Hopefully a new bios will make the mobo like 6 full dimms more. I know that others are using 6 on this board with different RAM, I feel like I've tried just about every possible combo.
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Old 03-14-09, 10:01 PM   #84
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Default Re: Core i7 Overclocking thread

Finally got in!!! I had to loosen my timings a bit... 9-9-9-28-88-2T.

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