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Planning to overclock my FX 8320E with Gigabyte GA-FXA-990-UD3

post #1 of 34
Thread Starter 
Hi i'm new to overclocking and I'm planning to overclock to atleast 4.0 ghz or anything higher I can get. since running at 3.2 seems pretty damn low. Need help guys. smile.gif

my current build is

AMD FX8320e
gigabyte ga-fxa990-ud3
2x4GB hyperX 1866
600w PSU
Ice matrix 400 (Deepcool)
HD 6850 1gb 256bit DDR5


Can anybody help me get around with it?
post #2 of 34
I'd go into your bios then check your blk freq. I'd set it to 100 then change the mult to 38. That will bump you up to 3.8. Set your core voltage about .3 higher than it is now. Try and make it into windows and if you do and idle temps and load temps look OK, go back in bios and start bumping voltage and blk mult higher untill either you can't make it in windows or its too hot for your liking.
post #3 of 34
Take a look of this thread. It is have almost all that you need for a good overclock.

http://www.overclock.net/t/1140459/bulldozer-overclocking-guide-performance-scaling-charts-max-ocs-ln2-results-coming
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post #4 of 34
The Stilt said there is no reason to touch BCLK which is in contrast to that guide so there is debate.

The need for BCLK overclocking seems to be, in part, related to Gigabyte board oddities -- like the way the UD3P 2.0 won't boot with a multi above 22.
post #5 of 34
With unclocked CPUs I do not see reason to use BCLK or reference clock at least that you want overclock your RAM.

In this AMD platforms, you can easily overclcok CPU, NB and HT with just multipliers while leave the based 200MHz frequency at default.
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post #6 of 34
Quote:
Originally Posted by saint19 View Post

With unclocked CPUs I do not see reason to use BCLK or reference clock at least that you want overclock your RAM.

In this AMD platforms, you can easily overclcok CPU, NB and HT with just multipliers while leave the based 200MHz frequency at default.

I semi agree with saint on this. For the sake of simplicity, only using the multipliers works perfectly fine. However, when you look at the bigger picture it will benefit you more to tinker with the other options you have available.

For instance, a good majority of the FX chips will run on lower voltage even when overclocked. Got my 8320 running 4.2 Ghz @ 1.275 volts with a bclock of 205 and multiplier of 20.5. RAM runs slightly above the stock 1600 Mhz. I don't have the guide in front of me, but I do know that I followed it pretty close when it came to disabling certain functions to maximize overclock potential.

The trick is to find a balance between all that and then trial and error. Try not to rush it and you'll be fine.
post #7 of 34
Quote:
Originally Posted by javsanity View Post

Hi i'm new to overclocking and I'm planning to overclock to atleast 4.0 ghz or anything higher I can get. since running at 3.2 seems pretty damn low. Need help guys. smile.gif

my current build is

AMD FX8320e
gigabyte ga-fxa990-ud3
2x4GB hyperX 1866
600w PSU
Ice matrix 400 (Deepcool)
HD 6850 1gb 256bit DDR5


Can anybody help me get around with it?
You can probably save time by starting with what has worked with my setup instead of doing tons of micro changes like the guides suggest.

Try these settings:

22 multi
power saving states off (APM, C6, etc.)
1.355 vcore
1.24 nb core
medium LLC
RAM at stock, unless it's 1.35 or 1.5 rated in which case you may need to bump the voltage (1.5 for the 1.35 RAM and 1.63 for the 1.5 RAM)

Prime 95 to test, 768 to 900K FFT run in place while monitoring temperature with HWINFO64. Be sure to have a fan blowing onto the VRM sink and good airflow toward the northbridge sink.

You don't want to go over 60C for the CPU temp. Watch the temperatures you get on the northbridge and the VRMs.

You may need to bump your vcore to 1.36 or more. Start with 1.355 first. If you can run Prime with those settings for an hour and fifteen minutes with safe temperatures then you can try reducing your vcore one step and repeat.

If you can track down the AMD version of LinX you can also run a few rounds (around six to eight) of that (2048 size) to see if you have consistent GFLOP numbers and aren't throttling.

A good final test is to run RealBench's heavy multitasking test three times in a row.
Edited by superstition222 - 1/29/16 at 7:51am
post #8 of 34
Thread Starter 
Hi there. I just reached 4.0ghz at 1.225 vcore. As I stress tested it using prime95. In like about 8 minutes or so. It freezes. what could I do to prevent the freeze? do I increase the vcore value or something? I'm getting the freeze at 20x multiplier && 1.225v
post #9 of 34
Quote:
Originally Posted by javsanity View Post

Hi there. I just reached 4.0ghz at 1.225 vcore. As I stress tested it using prime95. In like about 8 minutes or so. It freezes. what could I do to prevent the freeze? do I increase the vcore value or something? I'm getting the freeze at 20x multiplier && 1.225v

Yes, bump up the vcore to 1.25 and if that doesn't work, go to 1.275 etc... Just keep working the vcore up until it stabilizes. What do you have llc set to?
Edited by NicksTricks007 - 1/29/16 at 4:38pm
post #10 of 34
Thread Starter 
I have my LLC on bios default. and I think that's on 100%
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