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Preview - Asrock 990FX Fatal1ty 990FX Professional - Page 16

post #151 of 416
Well mobo #1 bites the dust... after a few weeks of testing. We'll see if mobo #2 lasts any longer? redface.gif
post #152 of 416
experienced issues with turbo core with the new 1.90bios.

does not want to increase core freq's with single threaded apps. hmm
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thug!
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post #153 of 416
That's a bit strange... I'd report it to Asrock Tech Support. I have been doing just manual overclocking so I haven't even looked at "Turbo mode" as I am unlikely to actually use it.
post #154 of 416
Quote:
Originally Posted by AMD4ME View Post

That's a bit strange... I'd report it to Asrock Tech Support. I have been doing just manual overclocking so I haven't even looked at "Turbo mode" as I am unlikely to actually use it.

id appreciate the feedback to asrock support. smile.gif will do the same for them to collate data.
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post #155 of 416
Well unfortunately Asrock Tech Support has not been of any help in providing useful engineering information for the VRM circuit on this mobo.

A simple question about the VRM designed maximum power capacity results in a response as follows from Asrock tech support:

"We have run the FX-8150 for 12 hours under Prime 95."

That's like saying it's a sunny day in Taiwan so all mobos are 100% reliable. It makes absolutely no sense at all. While I understand that there is a bit of a language barrier, after multiple requests to contact a real mobo engineer in Taiwan, and to provide the above response as an official reply to the VRM circuit designed power capacity, is very sad. redface.gif

No wonder consumers change brands of mobos frequently with the lack of customer support from most Asian mobo makers. I specifically purchased the Asrock mobo because some Asrock owners claimed that Asrock tech support was superior to other Asian brands. That has certainly not been my experience when asking a very basic VRM circuit power capacity question.
Edited by AMD4ME - 11/20/12 at 6:46pm
post #156 of 416
Quote:
Originally Posted by AMD4ME View Post

Well unfortunately Asrock Tech Support has not been of any help in providing useful engineering information for the VRM circuit on this mobo.
A simple question about the VRM designed maximum power capacity results in a response as follows from Asrock tech support:
"We have run the FX-8150 for 12 hours under Prime 95."
That's like saying it's a sunny day in Taiwan so all mobos are 100% reliable. It makes absolutely no sense at all. While I understand that there is a bit of a language barrier, after multiple requests to contact a real mobo engineer in Taiwan, and to provide the above response as an official reply to the VRM circuit designed power capacity, is very sad. redface.gif
No wonder consumers change brands of mobos frequently with the lack of customer support from most Asian mobo makers. I specifically purchased the Asrock mobo because some Asrock owners claimed that Asrock tech support was superior to other Asian brands. That has certainly not been my experience when asking a very basic VRM circuit power capacity question.

luck enough you received a reply. lol +rep anyway.

thanks bud!

will try to tweak from here, if it fails then i need to roll back to 1.80
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post #157 of 416
The tech support people amaze me. It's like they don't understand or they don't care???

Good luck with your BIOS update/testing.
post #158 of 416
So the best is Bios 1.80 and LLC set at 25% for ocing?
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post #159 of 416
Quote:
Originally Posted by dixson01974 View Post

So the best is Bios 1.80 and LLC set at 25% for ocing?

I have not found any performance difference for overclocking between v1.70, 1.80 and 1.90. Some have mentioned minor issues with v1.90 as above. In my testing, 25% LLC is by far the best and only option I would recommend when manually overclocking, which is how I build all of my PCs.

The one plus with v1.90 is that you no longer need to look at John "Fatal1ty's" face in the BIOS. If that doesn't bother you and you are NOT using Win 8, then v1.80 should be fine. If you are using Win 8 then you need v1.90 for all the correct settings.
post #160 of 416
I've confirmed that when stress testing the FX-8350 overclocked under P95, that the VRM changing phases to cool the VRM circuit, can generate a warning message in P95, that is not caused by the CPU being unable to run at the actual frequency it is set to. Thus the VRM circuit can be the limiting factor to overclocking stress testing, not the actual CPU. In actual use you would never be able to put a 100% sustained load on all 8-cores for any period of time, if at all, so you may only need to stress test the 8-core FX CPUs for 1/2 hour to know if they are stable under P95, to prevent your mobo VRM from overheating.?
Edited by AMD4ME - 12/4/12 at 12:05pm
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