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1055t need help - Page 3

post #21 of 26
Thread Starter 
been testing with prime and i always get a error on one of the cores, the longest ive had it stable on prime was a hour with 1.4v

atm i am on 1.41v and still not stable, thought these chips would do it under 1.4v, should i increase the volts on the cpu-nb? or could it be vdroop? becuase even at 1.41v full load never goes above 1.38v

also while running blend doesnt it affect the test if i am using the pc with stuff like webbrowsing or watching a film etc?.

Cheers
Edited by Nachoman - 5/20/11 at 9:31am
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post #22 of 26
Thread Starter 
Will attempt 4ghz try get that stable then work down.

What sort of figures ie fsb vcore etc i need for 4ghz?
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post #23 of 26
You are gonna need at least a 285FSB to get to 4GHz if you use the multiplier @ 14 (stock)

One thing you can do is drop the CPU multi down to 13, and see if you can hit 308 FSB. That will give you 4Ghz and put your RAM closer to 1600
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post #24 of 26
Thread Starter 
whats the conns with running the CPU-NB at 3000mhz?
and what sort of voltage would i need on the vcore and cpu-nb?
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post #25 of 26
Just a little more memory bandwidth is the pro, and it just sounds cool

Only cons really just a little more voltage/heat

This is where you can have a little fun with it though. First try 285x14 and see if your chip can handle 4Ghz. Run some benhmarks and take note. Then try 308x13, see if NB can handle the speed, and then run same benchmarks again. See what does best for you! That's the best way.

For my setup (and again all setups are different) I have something along these lines (not at home so cant check specifics)

CPU ~1.48V
CPU/NB ~ 1.4V
NB 1.31V
SB 1.21V (seems to help with high FSB ~300+)

Few things to keep in mind:

Voltages that high on CPU and CPU/NB will increase temps quite a bit. All my stuff is water cooled so it is no big deal for me, but for your air cooled rig need to mind the temps of the NB and not just the CPU

My CPU was one of the first 1055's, and your's is a little newer and seems to run cooler and require less volts, so you might not have to go that high.

Just go slow, don't do anything too crazy and you'll have that badboy maxxed out

Another tip, a quick way to quickly test stability and get some benchmark scores is to download and run the Cinebench 11.5 CPU test. That thing seems to run the cores hard, and It has been my expereince that anything major will fail pretty quick when running that benchmark. Is a lot faster than doing a bunch of prime as it only takes a few min to run. Now just becasue it completes the benchmark deos not mean that it is 100% prime stable, but it help you quickly determine if you settings are not gonna work
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Sweaty Box
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Stacker T01 v5.0
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Sturbin' Box
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CPUMotherboardGraphicsRAM
i7 5960X ASUS Rampage V Extreme 2x Nvidia 1080ti SLI 32GB Corsair Dominator DDR4 3400Mhz 
Hard DriveCoolingOSMonitor
Samsung 850 pro NVMe M.2 Custom EK watercooled loop Windows 10 Pro Triple LG 4K 27" 
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Cosair 1500Ti CaseLabs M10 
CPUMotherboardGraphicsRAM
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Hard DriveCoolingOSMonitor
Samsung 840 EVO Custom Loop - EK Supreme HF Windows 7 Pro 64-bit Dell 30" + 2 x Dell 24" 
PowerCase
Sparkle Gold 1200W CM Stacker T01 
CPUMotherboardGraphicsRAM
Phenom II X6 1055T @4.0GHz (308x13) / 3.08GHz NB ASUS Crosshair IV Formula w/EK full coverage block ATI 5870x2 Crossfired @ 950/1250 8GB Corsair Vengeance DDR3 1600 
Hard DriveCoolingOSMonitor
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post #26 of 26
Yeah aim your CPU/NB to 3.0 GHz will add a fair increase in temp.

Remember the higher the CPU Frequency/FSB/HTT the NB v must go up also.

As has been said 285MHz+ on the CPU/FSB/HTT to get to 4.0 GHz on the 14x multi.



Also take it one step at a time.

First: OC your CPU Frequency/HTT/FSB, if you hit a snag then up the NB voltage.

* Note, this method requires you to keep the CPU and RAM as close to stock as clocks as possible.

Second: OC your CPU and up the CPU multi add voltage as needed, once 100% stable then mover to the ram (if you have enough wriggle room left)

Third: The CPU/NB (the part that can hit 3.0 GHz).

Play about with final setting, rinse and repeat.
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