New build is underclocked, except under load where it auto-overclocks.

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KoolMintCookies

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Feb 16, 2015
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Greets, this is my first post. Many thanks to the great users here, this forum helped me a lot.

I recently built a new machine:
MB: Asus M5A99x evo 2.0
CPU: AMD 8320-fx (3.5ghz)
RAM: G.skill sniper 8gig kit (9-10-9-29 @ 1866mhz)
GPU: Sapphire R7 260x
Cooler master Vortex Plus cooler (as I've read the stock cooler can be weak)

Everything booted and installed without a hitch, however I have noticed that the ram, HyperTransport and CPU are underclocked. The CPU I understand as its a power management thing, however under load it gets boosted up to 4.1mhz, well above my stock freq.
The ram is set to 1600mhz, I was expecting this from reading about jdec and xmp, however the motherboard instructions and many video tutorials I watched do not explain how to enable the labeled speeds of this ram. In fact the manual seems to follow the formula of:
This is [feature name], use it to change the settings of [feature name], the settings are..
Terrible! Worse that youtubers 'review' this board doing the exact same thing!

I have so far avoided installing the Asus AI suite II as I've read it can cause issues, I'm also more interested in longevity and being able to run at max CPU for long times without heat issues (Rendering).
How do I correctly configure my MB to have the optimal frequencies (Ram, HT, CPU etc) without over clocking?
Is there a resource or tutorial series where I can learn more about these described settings?

This machine will be mainly used for, music production (Reason), design and rendering (Blender), programming (GM:S, VS), gaming.
Thanks!~
 
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Alec Mowat

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Jan 8, 2014
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Turbo core, it's a build in feature. It will OC a few cores and shut off unused cores.

It's underclockin from cool and quiet, which is a good thing.

I've used Asus AI suite for as long as I've had my board, no issues.

The RAM should auto detect, but you can pull the profiles in the BIOS and use the recommended settings that way.
 
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Calvin7

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Feb 19, 2013
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To set your memory at rated specifications go to page 3-9 of the downloadable manual.
Ai Overclock Tuner

Setting to D.O.C.P. (Dram Over Clock Profile) will set memory to rated specifications but may also overclock other things.
-or-
Set to [Manual]
Set Memory Frequency to [DDR3-1866MHz]
next page (3-10 of manual) DRAM Timing Control
Set the first four values beginning with CAS# Latency to (9-10-9-29)
(optional) You can also set the DRAM Command Rate, I use [2T]

(On page 3-15 of the manual)
DRAM Voltage
Default value is 1.5v, some high performance memory is rated at 1.65v. If your memory is rated at 1.5v, then it is not necessary to change this.
 
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KoolMintCookies

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Feb 16, 2015
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DOCP does indeed open up a whole bunch of options, thank you.
Its a bit of a juggle with the frequencies, setting the bus clock to 233 allows me to get closest to 1866~ as possible however its not exact (in reality it sets itself to something like 233.8mhz).
This allows me to get the NB up to 2104.1mhz the HT to 2571.7mhz and max cpu to 3507mhz.
the ram actually runs at 1870.2mhz, a slight overclock.
I have two CPU temps and am unsure which is the one that is suppose to be ideally at 51~c for optimal lifespan. The mother board CPU temp reports 10~ degrees higher than the AMD CPU sensor. At full load they stabilize at about 64c (MB CPU sensor), and 54c (CPU sensor).
I've also read that for optimal bandwidth matching the HT and NB frequencies helps.
I'm not hugely into over clocking, I would just like to get the best out of this machine without reducing its lifespan.
 
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Alec Mowat

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Leave everything default except the memory profile. Set it to the proper settings. Don't overclock the RAM, it will become unstable very quickly. Don't increase the FSB, it will force the RAM to overclock. If you want to increase the FSB, drop the RAM down t 1600 and move it up.
But don't touch the RAM speed or FSB, Leave them at default.

You really only need to increase the FSB if your Multiplier is locked. You have an unlocked chip.

If you want to overclock, just increase the multiplier. Don't touch anything else.
If it's not stable running Prime95, increase the voltage a tiny bit. Don't touch anything else.
Disable Turbo boost if you are overclocking.
There should be Vcore and CPU temps. Both matter, 80 is the max you will want to hit, but 60's is your optimal temp. Most apps won't push all 8 cores and you won't hit the max temp ever.
If it gets to hot, reduce the overclock. The FX chips do run hot at stock speeds.
 
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