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C1E and Speedstep

post #1 of 16
Thread Starter 
Why do you disable these, C1E and Speedstep to overclock does it make any difference in posting?
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Blister
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post #2 of 16
These "features" down clock the processor when at idle - who wants to overclock a cpu just to let it down clock it's self when it's not in use?

Also, it can hamper overclocking efforts sometimes i have noticed
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post #3 of 16
Quote:
Originally Posted by SlicketyRickety View Post
Why do you disable these, C1E and Speedstep to overclock does it make any difference in posting?
It's mostly disabled due to fluctuations of voltage on the CPU when switching between idle and load. This can affect stability when overclocking.
 
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X79 Build
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post #4 of 16
post will remain the same with these enabled or not....


it will not alter clock speed until the desktop loads...
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post #5 of 16
Thread Starter 
Thanks now to solve this wierd FSB loop

20 REP to whoever helps me figure it out!!!!
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Blister
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post #6 of 16
What FSB "loop" are you referring to? More information would help. For more info on the functions you mentioned, check the link in my sig.
R'lyeh
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post #7 of 16
Care to elaborate on FSB Loop?
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My System
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CPUMotherboardGraphicsRAM
i7 4771 GA-Z87X-UD3H 2*HD5850 4gb G.Skill Ripjaw + 8gb Corsair XMS3 1600 cl8 
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Samsung 840 Pro 256gb | 3*3TB Raid 5 | Corsair F60 Windows 8 x64 *EYEFINITY* Dell 2405FPW + 2*E248WFP Logitech Illuminated 
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post #8 of 16
Thread Starter 
Quote:
Originally Posted by afzsom View Post
What FSB "loop" are you referring to? More information would help. For more info on the functions you mentioned, check the link in my sig.
Well im going for 1700 on my CPU but what happens is it posts then i get the select screen F1 to continue Del for setup then it restarts automaticly and does that in an endless loop i have my settings at this just to get it working

3.0@1.5 vcore
FSB 1.45
mem 1.9
spp1.45
mcp 1.65

It post fine but then auto resets before i can select bios or boot into windows
Blister
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Blister
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post #9 of 16
Sounds like ram maybe - what speed/voltage/timings are they running at?
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Samsung 840 Pro 256gb | 3*3TB Raid 5 | Corsair F60 Windows 8 x64 *EYEFINITY* Dell 2405FPW + 2*E248WFP Logitech Illuminated 
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My System
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CPUMotherboardGraphicsRAM
i7 4771 GA-Z87X-UD3H 2*HD5850 4gb G.Skill Ripjaw + 8gb Corsair XMS3 1600 cl8 
Hard DriveOSMonitorKeyboard
Samsung 840 Pro 256gb | 3*3TB Raid 5 | Corsair F60 Windows 8 x64 *EYEFINITY* Dell 2405FPW + 2*E248WFP Logitech Illuminated 
PowerCaseMouseAudio
Corsair HX-850v2 Lian Li v2010b M$ Basic  Asus Xonar D2X 
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post #10 of 16
You're probably reaching the FSB limit of your processor. Try lowering the multiplier down to 6x and raising your FSB to 2000. If you can't POST at that configuration, it's safe to say you've reached the FSB limit.
R'lyeh
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300GB WD VelociRaptor, 320GB WD Caviar 7200 Lite-On 20X DVD+R Ubuntu 10.04 x64 / Vista Home Premium x64 Samsung 226BW 
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R'lyeh
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300GB WD VelociRaptor, 320GB WD Caviar 7200 Lite-On 20X DVD+R Ubuntu 10.04 x64 / Vista Home Premium x64 Samsung 226BW 
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