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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 3275

post #32741 of 67372
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Quote:
Originally Posted by xXUNLUCKYXx View Post

My 8350 arrived on Friday and spent about 4 hours trying to get it overclocked and stable.

Currently sitting at 1.4v at 4.4GHZ.

The Gigabyte 990FX-UD3 rev3 just cant handle this chip the voltages fluctuate way to much and throttle the chip so looks like i am going to have to sell the board.

Thinking about the Asus Sabertooth 990fx?

The problem isn't the board at 4.4Ghz. Certainly not at just 1.4v. Post your BIOS settings, include APC, HPC, LLC, and all power saving settings.
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post #32742 of 67372
Quote:
Originally Posted by xXUNLUCKYXx View Post

My 8350 arrived on Friday and spent about 4 hours trying to get it overclocked and stable.

Currently sitting at 1.4v at 4.4GHZ.

The Gigabyte 990FX-UD3 rev3 just cant handle this chip the voltages fluctuate way to much and throttle the chip so looks like i am going to have to sell the board.

Thinking about the Asus Sabertooth 990fx?

The Sabertooth 990FX R 2.0 is an awesome board. I've loved mine ever since I first fired her up.

But I do agree with @KyadCK - the UD3 should be able to handle a 4.4Ghz 8350 - 1.4 V sounds a little high for 4.4Ghz - let's see your LLC and bios settings!
post #32743 of 67372
Quote:
Originally Posted by cpmee View Post

On overclockers.com they have a test from years ago on a socket A 462 pin. It was found that cooling the back of the mobo did lower the core temps by a good .5C. With the AM3+ having over 900 pins, I would expect a good solid 1+ C lowering of core temps. And because of the way the vrms are mounted on the board, you are lowering their temps significantly with the fan on the back. The 1/16" thick typical fiberglass mobo has an R factor of less than 1.

However, the main benefit of the fan on the back is to lower the socket temps. Socket temps, not core temps, are what trigger the mobo to do things like throttle, etc.

I'm not sure if it's just the mobo we both have or what, but the socket gets pretty hot without the fan on the back of the motherboard.
post #32744 of 67372
Quote:
Originally Posted by jason387 View Post

Any help for my previous post?
Plug your fans into molex on your power supply. See if that helps. If your fans don't have molex connectors then buy some adapters. They are not particularly expensive. See if that helps and report back!
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post #32745 of 67372
Quote:
Originally Posted by Bagmup View Post

Quote:
Originally Posted by cpmee View Post

On overclockers.com they have a test from years ago on a socket A 462 pin. It was found that cooling the back of the mobo did lower the core temps by a good .5C. With the AM3+ having over 900 pins, I would expect a good solid 1+ C lowering of core temps. And because of the way the vrms are mounted on the board, you are lowering their temps significantly with the fan on the back. The 1/16" thick typical fiberglass mobo has an R factor of less than 1.

However, the main benefit of the fan on the back is to lower the socket temps. Socket temps, not core temps, are what trigger the mobo to do things like throttle, etc.

I'm not sure if it's just the mobo we both have or what, but the socket gets pretty hot without the fan on the back of the motherboard.
I dunno if it was getting hotter in comparison to other boards. But I just decided that I would do a back side panel fan and VRM fan. What a charm! I assume you are talking about M5A99FX PRO R2.0.

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post #32746 of 67372
So it took a bit of trouble but I managed to get my old board and FX-8350 into Azza Blue, my girlfriend's rig.
pictures (Click to show)


Yes, it looks stupid because her case is blue and the board is black and red.

We had to use a red 8-pin EPS extension because the cord was too short to reach the plug on the top of the motherboard. She also had 2 blue 120mm fans in the top, but the 8-pin and 4-pin power connectors on the board wouldn't clear the fans when they were plugged in. Even if I ran the cables behind the motherboard tray it wouldn't have worked.

Using the cheap Scythe Samurai ZZ cooler at stock, the machine quickly reached 55C core and 64C socket in Prime95. So we won't be doing any overclocking till she gets a better cooler. We're thinking H100i with SP120s with the blue rings.

We're gonna have to get a different case and I'm (of course it's me and not the g/f) going to have to rebuild the thing in a different case. Her current case, the Azza Triton, sucks to build in. It's just like everything is spaced weird and it's cramped. It's hard to do good cable management in. Sorry to do this to you Devildog, but we're gonna jack your style and get a Corsair C70 Vengeance because we love the look of the side panel. The grommets for cables are nice also. It will fit the H100i well too. The g/f wants the version of the case with white trim, sounds good to me. Maybe with enough blue lighting, you won't be able to see the black and red of the motherboard. Most people won't admit it but color coordination is a big deal :V
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post #32747 of 67372
This is a none issue with the 990FX UD3 rev 3

LLC is set to Ultra High,

Cool and quite and all the other power save features are disabled

HPC makes no difference in the voltage staying stable I have tried both, enabling and disabling

I can get the machine to post but it just blue screens after getting into windows below 1.4volts

HT link is set to stock 2600mhz
RAM 1600mhz had to slacken the timings from 8-8-8-24 2t too 9-9-9-24 2t
post #32748 of 67372
Quote:
Originally Posted by xXUNLUCKYXx View Post

This is a none issue with the 990FX UD3 rev 3

LLC is set to Ultra High,

Cool and quite and all the other power save features are disabled

HPC makes no difference in the voltage staying stable I have tried both, enabling and disabling

I can get the machine to post but it just blue screens after getting into windows below 1.4volts

HT link is set to stock 2600mhz
RAM 1600mhz had to slacken the timings from 8-8-8-24 2t too 9-9-9-24 2t

Have you disabled Turbo? and what clock speed are you setting in bios?
post #32749 of 67372
Quote:
Originally Posted by Alastair View Post

I dunno if it was getting hotter in comparison to other boards. But I just decided that I would do a back side panel fan and VRM fan. What a charm! I assume you are talking about M5A99FX PRO R2.0.

Nice mods, what are the fans? And yeah, i have the same board. I don't know about the socket temps being the same as every other board, i've seen a few 4.8Ghz 8350's without extra cooling on the vrm's and drilling holes in the case side (not a fan of that). What did you use to seal around the fan? And what is the cooler on the gpu's?
Edited by Bagmup - 3/31/14 at 5:50am
post #32750 of 67372
Quote:
Originally Posted by xXUNLUCKYXx View Post

This is a none issue with the 990FX UD3 rev 3

LLC is set to Ultra High,

Cool and quite and all the other power save features are disabled

HPC makes no difference in the voltage staying stable I have tried both, enabling and disabling

I can get the machine to post but it just blue screens after getting into windows below 1.4volts

HT link is set to stock 2600mhz
RAM 1600mhz had to slacken the timings from 8-8-8-24 2t too 9-9-9-24 2t

Bios screenies would really help people to help you out..

As a reference, my 8320 can do 4.5 on the same board with 1.39 Volts..

UD3 rev 3 was been proven to be a not sooo good overclocker..but,

I have to agree with both men above.. At 4.4 GHz, and 1.4 volts, the board can still be very solid. That is,

If, and only if, you have done enough digging on this site and done some tricks for the board..

VRMs get quite hot, as well as the board NB.. VRM trick will do for you IMO..
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