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FSB Limit due to Motherboard?

post #1 of 8
Thread Starter 
I was just wondering if the motherboard is the limiting factor on the highest Bus speed you can push it?

Reason being is that I am overclocking a AMD Phenom 9100e, attempting to reach 2.4ghz but so far I am only able to get 2.2ghz

I'm trying to hit 267mhz FSB to acquire 2403mhz overclock_ I tried dropping the HT link down as much as I can from 1600mhz down to 1400mhz down to 1200mhz yet I can't seem to push it past 245mhz Bus speed

My current NB Frequency is 1960 at 1.15volts set in bios_ thats 245x8 NB
My current HT Frequency is 1715 (245x7)
CPU is at 245x9 = 2205mhz @ 1.15volts set in bios_
Ram multiplier has been drop down to 333mhz 6-6-6-18-24-2T from 400mhz_


I tried lowering the HT Frequency multiplier down to 6x to try to push my Overclock higher to 2.4ghz but so far I am not able to boot_ I tried upping Vcore voltage all the way to 1.3volts but no boot_

Even at 247mhz FSB I can't seem to boot_ Have I hit my FSB limit on the Asus M4A77D Chipset?
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post #2 of 8
Can you up the multiplier?
You may need more than 1.15v for the CPU at that speed. lol
    
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post #3 of 8
You need more voltage..
    
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post #4 of 8
Thread Starter 
Quote:
Originally Posted by Jaguarbamf View Post
Can you up the multiplier?
You may need more than 1.15v for the CPU at that speed. lol
I'm max out at 9x LOL silly CPU is only rated at 200x9 which is 1.8ghz stock clocks_

I am OCCT 6hours stable at 1.15volts CPU and 1.15volts CPU-NB_ with the current settings
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by CudaBoy71 View Post
You need more voltage..
I tried more voltages but_ just won't go past 245FSB(even at 246FSB I can't boot) o.0

Thanks for the input =]
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post #6 of 8
The motherboard quality can limit your FSB overclockability as well as the CPU used.
Make sure you are adjusting the rest of the parameters as well like RAM ,HT and so on (which you seem to have done).
   
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post #7 of 8
Does that mobo let you increase the NB voltage (chipset, not CPU/NB)?
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post #8 of 8
Thread Starter 
Quote:
Originally Posted by The Sandman View Post
Does that mobo let you increase the NB voltage (chipset, not CPU/NB)?
I believe it does, although I'll have to double check_ I'll have to look into it this weekend since I left that computer back at home(currently back to school for the week, darn college)

Maybe bumping the NB Voltage up a little bit might help_
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CPUMotherboardGraphicsRAM
i72600K Sandybridge @ 4.8ghz MSi P67A-GD65 Galaxy GTX 580 @930mhz GSkill CL7 2x4gb 1333 @ 1866 9-10-9-24-1T 
Hard DriveOptical DriveOSMonitor
Crucial C300 128gb SSD w/1TB HDD Asus DVD-RW/CDRW Windows 7 Professional Gateway HD2201 22in LED 1080 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i72600K Sandybridge @ 4.8ghz MSi P67A-GD65 Galaxy GTX 580 @930mhz GSkill CL7 2x4gb 1333 @ 1866 9-10-9-24-1T 
Hard DriveOptical DriveOSMonitor
Crucial C300 128gb SSD w/1TB HDD Asus DVD-RW/CDRW Windows 7 Professional Gateway HD2201 22in LED 1080 
PowerCase
Seasonic X-850 Azza Salano 1000 
  hide details  
Reply
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