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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 1016

post #10151 of 67351
Post Deleted by Paladine
Edited by Paladine - 7/1/13 at 4:37am
    
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post #10152 of 67351
Post Deleted by Paladine
Edited by Paladine - 7/1/13 at 4:33am
    
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post #10153 of 67351
Thread Starter 
Quote:
Originally Posted by Paladine View Post

Quote:
Originally Posted by cssorkinman View Post

Good job with that 8320 paladine thumb.gif
I'm still trying to figure out all the settings on the CHV-Z but it seems this chip is fairly good. http://valid.canardpc.com/2743797
Ran some 3dmark benches @ 5.15 ghz juuuust touching the 62C mark . This rig runs hotter than my GD-80 /H-100 setup.

Thanks, the required voltage was insane considering I can get IBC Stable on High settings at just 1.438 @4.72GHz so I am going to run it at the latter for day to day use.

I am reading up on Memory overclocking now so I can look at FSB OC.

Currently rendering a 600 frame 3D animation at 480x270 High Quality scene in 3DS Max - looks like it is going to take around 26 minutes with temps so far not going over 55C.

Paladine
Quote:
Originally Posted by KyadCK View Post


Alright, there are 2 aspects to RAM.
1: Speed. the Mhz they run at, pure and simple. Higher is better. Programs such as RAMDisks and VMs like more speed.

2: Timings. How long it takes for a request to go through. Lower is better. OSs and most games like lower timings.

There are 4 timings that matter most, and all are visible in CPU-Z on the memory page:
CAS# Latency (CL)
RAS# -> CAS# (tRCD)
RAS# Precharge (tRP)
Cycle Time (tRAS)

When you change one of the first 3, you change the 4th with it. The equation for this is:

(CL) + (tRDC) + (tRP) - 3 = (tRAS)
For example, 9-9-9-24, or 10-10-10-27, and so on.

There is also a 5th, but much less important timing called Command Rate (CR). 1T is faster, but 2T is more stable.



How you OC ram depends on what you are trying to do.
_______________________________________

How to overclock for speed:

You raise the RAM speed little by little until they system becomes unstable. When it does, you have two options available to you.

The first option is to loosen the timings a bit. If you started at 1600 10-10-10-27, and now you're at 1800 10-10-10-27, but it is unstable, you would try 1800 11-10-10-28, then 11-11-10-29, and so on until it becomes stable again. Then you start the process all over again, but make sure to write down the "stable points" so you have places to start again if you lose track.

The second option should only be used if loosening the timings is no longer helping, or you have to loosen the timings by a large amount. This option is to raise the RAM voltage. The maximum voltage you should use for DDR3 RAM is 1.65v. Your kit is at 1.5v stock, so this should leave you some room if you need it. Only raise the RAM voltage in very small amounts each time, the goal is to keep the voltage as low as possible while making the the RAM stable.
_______________________________________

How to overclock for timings:

You lower the timings one by one, testing each time to make sure it's stable. As an example, your set would go from 10-10-10-27 to 9-10-10-26 to 9-9-10-25 and so on until it becomes unstable. Once again, you have two options available to you.

The first option is to lower the speed of the RAM. Do not go below 1333Mhz. Lower the speed little by little, checking for stability each time. Once again, when you find "stable points", make sure to write them down, for the same reason. When lowering speed isn't helping, or you are down to 1333Mhz, go to option two.

The second option, again, is to raise the voltage. Like when overclocking for speed, only add a little bit at a time, and check for stability each time. Again, do not go over 1.65v.
_______________________________________

Testing your overclock:

Memtest86+ is a popular RAM stress test program that you can boot off CD and use. It will stress your RAM, and will crash if it is unstable.

Personally, I think the best way to test any OC is to just run your system as normal for a while. If it crashes, or throws errors, it isn't stable.
_______________________________________

My advice to you would be to find how far your RAM will go in either direction, then chose which one you want to use based on how the OS and programs respond and feel when using them.

Another alternative is to find a middle ground. Maybe leave your RAM at 1600, and see how low you can get your timings without reducing speed.






As a side note, this is going in a txt doc... This is the most elaborate RAM OC post I've made yet, and I'll be damned if I'm doing it again.
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post #10154 of 67351
Post Deleted by Paladine
Edited by Paladine - 7/1/13 at 4:34am
    
CPUMotherboardGraphicsRAM
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CPUMotherboardGraphicsRAM
AMD FX-8320 990FXA-UD3 AMD Radeon HD 7850 G.Skill RipjawsX 1866MHz CL9 
RAMHard DriveHard DriveOptical Drive
G.Skill RipjawsX 1866MHz CL9 OCZ Vertex 3 MAX SSD 240GB RAID Array Lite-ON Super AllWrite DVD+/- RW Black 
CoolingOSMonitorKeyboard
Corsair H100i Windows 7 Home Premium 64bit LG Flatron E2770 Microsoft Sidewinder X6 
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post #10155 of 67351
Quote:
Originally Posted by KyadCK View Post

Na, some things are different. PLL voltage helps Giga more then VDDA helps ASUS too. Plus at least the UD3 doesn't have CPU/NB LLC that skyrockets the voltage, so leaving the voltage on auto will keep it at 1.2v or so.

I was scratching my head after adjusting vdda upward on my Asus Cross hair V as it seemed to have no appreciable positive effect. I had no idea this doesn't help much on Asus boards .
post #10156 of 67351
Quote:
Originally Posted by KyadCK View Post


Very thorough presentation and easy to follow.
post #10157 of 67351
Quote:
Originally Posted by blackeyedcheese View Post

Cool, i'll give that a try.

thanks

Hwinfo64 will ask you to disable the sensor on the sabertooth. dont disable it and you can find all the temps on vrms etc etc
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post #10158 of 67351
Post Deleted by Paladine
Edited by Paladine - 7/1/13 at 4:34am
    
CPUMotherboardGraphicsRAM
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RAMHard DriveHard DriveOptical Drive
G.Skill RipjawsX 1866MHz CL9 OCZ Vertex 3 MAX SSD 240GB RAID Array Lite-ON Super AllWrite DVD+/- RW Black 
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Corsair H100i Windows 7 Home Premium 64bit LG Flatron E2770 Microsoft Sidewinder X6 
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CPUMotherboardGraphicsRAM
AMD FX-8320 990FXA-UD3 AMD Radeon HD 7850 G.Skill RipjawsX 1866MHz CL9 
RAMHard DriveHard DriveOptical Drive
G.Skill RipjawsX 1866MHz CL9 OCZ Vertex 3 MAX SSD 240GB RAID Array Lite-ON Super AllWrite DVD+/- RW Black 
CoolingOSMonitorKeyboard
Corsair H100i Windows 7 Home Premium 64bit LG Flatron E2770 Microsoft Sidewinder X6 
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post #10159 of 67351
Quote:
Originally Posted by Paladine View Post

So just downloaded Core Temp and even that is showing core temps as identical to package temps? How can I find my true core temp?

Paladine

Core temps are package temps mate lol

core temp and hwmonitor show the same value....or they should smile.gif
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post #10160 of 67351
Quote:
Originally Posted by Paladine View Post

So just downloaded Core Temp and even that is showing core temps as identical to package temps? How can I find my true core temp?

Paladine

Paladine, Look for hwmonitor version 1.20 and that will get you each individual core temp. I would link my exe to it but for some reason it wont let me
 
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