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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 338

post #3371 of 67351
I had a bit of an idea too about the Memory/Frequency Scaleing with Piledriver as well.

Since it's not fully clear (as far as I know) what this bottlekneck is with memory scaling -cpu overclock and memory overclock- why not make a bottlekneck in the Ram.

Not entirely sure if this would work, but here's the idea. Running only one stick of Ram, test the scaling, up to whereever, 2166 - 2400. To see if it scales higher than a Dual Channel setup,
which would indicate that it's most likely CPU only. If it scales the same as dual channel mode then it's something else.

Is my thinking right on that? 1 stick should struggle to feed the CPU, thus benefit more from higher clocks/ greater scaling with CPU overclock? (with the obvious lower bandwidth)
post #3372 of 67351
All I know for sure, somewhere along the line of the new 1201 bios and ticking up the CPU LLC to high, my system has become way better stable with Prime95 and OCCT. For some reason I have had no issue with IBT, except for temps getting a little higher. I have been tinkering with voltages and medium LLC for a couple weeks until yesterday.. Once I changed the bios and High cpu LLC everything changed for the better.
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post #3373 of 67351
So with Bulldozer it was figured out that higher VIDs generally meant you had a chip that was a lot less leaky and therefore clocked alot better on air and water because you didn't run into the massive wall of heat so fast. Has anyone done any comparisons with Piledriver? I remember with FX-8150s 1.3v+ was quite good, and chips as low as 1.225v (the ones I always got frown.gif) were ridiculously hot. It seems like VIDs with Piledriver are alot higher in general (1.35v+) which sounds promising if AMD is following a similar sort of procedure.
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post #3374 of 67351


Got 5ghz, granted, only 10 passes of IBT, but I just wanted to see if it would do it with a high FSB. Temps were too high for longer testings, once I get it setup in it's new home I will test it out again and do some benching.
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post #3375 of 67351
Quote:
Originally Posted by ComputerRestore View Post

Lol, that's exactly what that stuff looks like. Except it's like the kind you find under a desk after 20 years. That's good it takes longer to heat up now. Means it's actually dissipating heat until the heatsink gets saturated. If you still have the fan off your stock AMD Cooler it's the perfect size to sit over the VRM's and NB. Those MSI heatsinks look perfect for putting a couple little screws in. Although I'm a bit oldschool and crude that way lol.
@ F3ERS 2 ASH3S Was looking at your board diagram too. I've never seen one with that 6 Pin ATX plug. It says it's there to supply power to the Graphics Cards?!?! Crazyness.
I've seen this on 2 other motherboards, not six pins but the older style molex connectors such as you would use on an IDE dvd drive also supposedly to power the graphics card. Foxconn A7DA-S 3.0 listed here is one of them http://www.newegg.com/Product/Product.aspx?Item=N82E16813186168
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post #3376 of 67351
Quote:
Originally Posted by cssorkinman View Post

I've seen this on 2 other motherboards, not six pins but the older style molex connectors such as you would use on an IDE dvd drive also supposedly to power the graphics card. Foxconn A7DA-S 3.0 listed here is one of them http://www.newegg.com/Product/Product.aspx?Item=N82E16813186168

I wonder id there is any true benifit for the extra power, or if they were just being cheap

Wish i had the answer, all i have figured out is i have issues with the fsb, maybe northbridge or bios or all or psu.... Ugh
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post #3377 of 67351
Wierd question as it seems to be but has anyone downed the fsb below 200 and just raised all the other multipliers up? It seems counter intuitive but i remember back in the day it helped get higher clocks im talking pre athlon x2 though
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post #3378 of 67351
Quote:
Originally Posted by F3ERS 2 ASH3S View Post

Wierd question as it seems to be but has anyone downed the fsb below 200 and just raised all the other multipliers up? It seems counter intuitive but i remember back in the day it helped get higher clocks im talking pre athlon x2 though

Intel's have a 100 base clock and high multi. i just built an intel htpc for a client i7 3770 and its 100x(34-41)
post #3379 of 67351
seems like we are figuring out some interesting things about PD today! sad to have missed most of it haha...

turns out ive been running p95 version 25.11 looking for 27.7 now

as for temps, whoever (im too lazy to scroll back pages and find the name) is running P95 for 24 hours and and at 4.5Ghz and only 1.34 something volts you have one hell of a chip haha. that was my stock voltage for 4.0Ghz and i had to start bumping at 4.2Ghz to keep stable OCCT

and btw here is the latest p95 build download links (multiple sources) and it says BUILD 2... anyone know what build 2 is for 27.7???
http://www.softpedia.com/get/Others/Home-Education/Prime95.shtml

and another note. when starting prime95. the test description for FX-8350 states "Using AMD K10 FFT" I wonder if this has ANYTHING to do with instability since k10 was phenom II
Edited by Covert_Death - 11/15/12 at 11:57pm
post #3380 of 67351
How do most people test for stability on IBT? Standard, High, Very high or maximum?
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