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Dynamics of OC'ing.. I am confused..HELP

post #1 of 5
Thread Starter 
Ok... I am getting really confused.... OC'ers are trying to push the chips to the limits and squeeze until the last drop of juice come off.... So, the consept is pushing the chips further ahead from their factory limits.

I also know enough that the perfomance of the system is only as good as the weakest/slowest component. Here is my paradox :

I have a E6600 which I overclocked to 3.4GHz and I am also having 4 dims of 1Gig OCZ's SLI Ready PC2-8500 RAM DDR2-1066MHz at 5-5-5-15 2T timings.

Almost all overclocking guides I had read was basically telling to increase the FSB of the CPU and at the same time reduce the memory's speed. This never made sense to me because if you are cutting back on the memory's speed, it would become a bottleneck and no matter how fast the CPU runs it will not be performing any good because of memory's lacking of ability to process the info as fast as that of CPU.

So, what is the deal?...

When I get my ram running at stock timings and CPU at 3.4GHz, I use Orthos to test BOTH CPU and the RAM and it freezes the whole thing in less than a minute. I am almost certain that this is happening because of the ram because when I test JUST the CPU everything goes smoothly.

Should I get my memory running around 800MHz even thought it is capable of running at 1066MHz when the CPU is running at 3.4GHZ?

Please help thanks,
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6600 @ 3.4GHz EVGA 680i SLI A1 8800 GTX 4GB OCZ PC2-8500 SLI 
Hard DriveOSMonitorPower
2 x 320GB Seagate RAID-0 & 1x160GB WD (Backup) Windows Vista Bus. x64 Dell 2005 Wide Screen Ultra X-Finity 600W SLI certified 
Case
X-Clio Windtunnel Black 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6600 @ 3.4GHz EVGA 680i SLI A1 8800 GTX 4GB OCZ PC2-8500 SLI 
Hard DriveOSMonitorPower
2 x 320GB Seagate RAID-0 & 1x160GB WD (Backup) Windows Vista Bus. x64 Dell 2005 Wide Screen Ultra X-Finity 600W SLI certified 
Case
X-Clio Windtunnel Black 
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post #2 of 5
No No No you are suppost to run your RAM at 1:1 where ever possible. If your run it say auto and it runs it at 1066 stock and over clock then it will be way higher. Also try adding more vcore or vdimm could help does it freeze on CPU test in benchs. Usually slow RAM down if you can't run it as fast as CPU.
    
CPUMotherboardGraphicsRAM
AMD FX-8320 3.6GHz 1.152v Gigabyte 990FXA-UD5 EVGA GTX 960 SSC 4GB 8GB G. Skill DDR3-1333 CL9 1.5v 
Hard DriveOptical DriveCoolingOS
WD 1TB SATA3 + 4TB Storage External USB Thermalright Archon Win 7 Pro x64 
MonitorKeyboardPowerCase
Samsung 27 inch LED 1920x1080 HD Logitech K120 Seasonic X-760 Modular Fractal Define R4 
MouseAudio
Logitech Altec Lansing 2.1 
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CPUMotherboardGraphicsRAM
AMD FX-8320 3.6GHz 1.152v Gigabyte 990FXA-UD5 EVGA GTX 960 SSC 4GB 8GB G. Skill DDR3-1333 CL9 1.5v 
Hard DriveOptical DriveCoolingOS
WD 1TB SATA3 + 4TB Storage External USB Thermalright Archon Win 7 Pro x64 
MonitorKeyboardPowerCase
Samsung 27 inch LED 1920x1080 HD Logitech K120 Seasonic X-760 Modular Fractal Define R4 
MouseAudio
Logitech Altec Lansing 2.1 
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post #3 of 5
What are your temps and voltages are they all auto whats the RAM at? set it to the recommended vdimm stock mobo sets it to 1.8v I think.
    
CPUMotherboardGraphicsRAM
AMD FX-8320 3.6GHz 1.152v Gigabyte 990FXA-UD5 EVGA GTX 960 SSC 4GB 8GB G. Skill DDR3-1333 CL9 1.5v 
Hard DriveOptical DriveCoolingOS
WD 1TB SATA3 + 4TB Storage External USB Thermalright Archon Win 7 Pro x64 
MonitorKeyboardPowerCase
Samsung 27 inch LED 1920x1080 HD Logitech K120 Seasonic X-760 Modular Fractal Define R4 
MouseAudio
Logitech Altec Lansing 2.1 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
AMD FX-8320 3.6GHz 1.152v Gigabyte 990FXA-UD5 EVGA GTX 960 SSC 4GB 8GB G. Skill DDR3-1333 CL9 1.5v 
Hard DriveOptical DriveCoolingOS
WD 1TB SATA3 + 4TB Storage External USB Thermalright Archon Win 7 Pro x64 
MonitorKeyboardPowerCase
Samsung 27 inch LED 1920x1080 HD Logitech K120 Seasonic X-760 Modular Fractal Define R4 
MouseAudio
Logitech Altec Lansing 2.1 
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post #4 of 5
Quote:
Originally Posted by Rick Arter View Post
No No No you are suppost to run your RAM at 1:1 where ever possible. If your run it say auto and it runs it at 1066 stock and over clock then it will be way higher. Also try adding more vcore or vdimm could help does it freeze on CPU test in benchs. Usually slow RAM down if you can't run it as fast as CPU.
Can you prove to me 1:1 is faster than my 4:5?


Read this thread and see if your opinion changes...
http://www.overclock.net/intel-memor...m-extreem.html

I whole heartedly beleive my system runs quicker with my RAM higher than my FSB.
My Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
i-4790k GA-Z97X-UD5H-BK eVGA GTX 970 FTW 8GB G.Skill Trident X 
Hard DriveOSMonitorPower
Intel 180GB SSD Windows 7 Pro Dell Ultrasharp 24" eVGA 850 G2 
Case
Corsair 750D 
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My Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
i-4790k GA-Z97X-UD5H-BK eVGA GTX 970 FTW 8GB G.Skill Trident X 
Hard DriveOSMonitorPower
Intel 180GB SSD Windows 7 Pro Dell Ultrasharp 24" eVGA 850 G2 
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Corsair 750D 
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post #5 of 5
Thread Starter 
I think I am running at 2:3 ratio. The FSB of the CPU is 1423 MHz for 3.2GHz (I downgraded it since it was unstable) and this would give me 355 FSB for the CPU as it is quad pumped. The RAm however is running at 1067MHz with 533MHz FSB. So, 533 / 355 is 2:3 ratio. My ram is running at a faster speed than my CPU is.

Am I correct?

After I downgradede my CPU speed from 3.4 to 3.2GHz the system started to run more stabilized. 2 Hr blended CPU and RAM torture with Orthos went pretty smoothly. Now testing it for longer periods. WHat would be the reason of it being frozen at 3.4GHz if nothing goes wrong at 3.2GHz? Core voltage? I was testing 3.4GHz at 1.38V and I think this was enough for 3.4GHz, no?

Now currently running at 1.35V for CPU core, 2.1V for memory. My temps look a lot better this way. 38°c idle and 53°c under load.

Would it make so much difference in terms of speed when you compare 3.2GHz vs 3.4GHz? My board is not able to boot at 1600MHz FSB to hit 3.6GHz any ideas of why this might be happening?


Thanks,
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6600 @ 3.4GHz EVGA 680i SLI A1 8800 GTX 4GB OCZ PC2-8500 SLI 
Hard DriveOSMonitorPower
2 x 320GB Seagate RAID-0 & 1x160GB WD (Backup) Windows Vista Bus. x64 Dell 2005 Wide Screen Ultra X-Finity 600W SLI certified 
Case
X-Clio Windtunnel Black 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
E6600 @ 3.4GHz EVGA 680i SLI A1 8800 GTX 4GB OCZ PC2-8500 SLI 
Hard DriveOSMonitorPower
2 x 320GB Seagate RAID-0 & 1x160GB WD (Backup) Windows Vista Bus. x64 Dell 2005 Wide Screen Ultra X-Finity 600W SLI certified 
Case
X-Clio Windtunnel Black 
  hide details  
Reply
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