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[Official] Gigabyte GA-990XA/970A-Series Owners' Club & Help Thread - FX-8350 support added - Page 313

post #3121 of 3278
Quote:
Originally Posted by bazookatooths View Post

Eventually may be what I end up doing but that is going to be expensive considering those chips never seem to go down in price mad.gif
Wouldn't you think the skylake would be a better upgrade it doesnt seem to cost that much more. As for finding used chips they are not that much cheaper.

There's Z97 boards on the marketplace right now for good prices (a Z97 SOC-Force $130 top of the line board). I'm sure you can find a used 4790K too for $250 or less just look around on OCN or other forum marketplaces. An i7-6700k is what $370? You can can get a new 4790K from Microcenter for $279.99 + tax if you are in the states and there's one near you hopefully.
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post #3122 of 3278
Quote:
Originally Posted by M3TAl View Post

There's Z97 boards on the marketplace right now for good prices (a Z97 SOC-Force $130 top of the line board). I'm sure you can find a used 4790K too for $250 or less just look around on OCN or other forum marketplaces. An i7-6700k is what $370? You can can get a new 4790K from Microcenter for $279.99 + tax if you are in the states and there's one near you hopefully.

Went and bought some better 1866mhz oc to 2000mhz and now up to 4.5ghz temps tip top at game load @ 56c. Had to get rid of a few dust covers but thumb.gif wewt I think I may just end keeping this til it explodes, I have reached my magic number!
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post #3123 of 3278
Quote:
Originally Posted by bazookatooths View Post

Went and bought some better 1866mhz oc to 2000mhz and now up to 4.5ghz temps tip top at game load @ 56c. Had to get rid of a few dust covers but thumb.gif wewt I think I may just end keeping this til it explodes, I have reached my magic number!

Congrats, run her into the ground!
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post #3124 of 3278
Hi there biggrin.gif

I recentely purchased a 970A-UD3P. So far I've been impressed by this motherboard, coming from a cheaper Asrock model which failed me some months ago. I came here asking for some advices.

I managed to overclock my Athlon II x4 640 to 3.75 GHz. This is the validation link http://valid.x86.fr/vakefp.

I used OCCTPT to test my overclock, and the test ran for 1 hr with no errors. The max teperatures under load are as follows:

max CPU socket temp: 56 C
max CPU core temp: 39 C
max motherboard temp: 39 C

So far so good. What I personally find suspicious is that VCore was set at 1.375 v (1.367 v under load). I was surprised that the CPU was able to operate at 3.75 GHz with such relatively low voltage. Therefore I was wondering whether I was doing something wrong. Perhaps my readings are wrong? If everything was just fine, do you think I'd still have room to further overclock the CPU?
Edited by FairFriend - 9/29/15 at 8:56am
post #3125 of 3278
Quote:
Originally Posted by FairFriend View Post

Hi there biggrin.gif

max motherboard temp: 39 C

So far so good. What I personally find suspicious is that VCore was set at 1.375 v (1.367 v under load). I was surprised that the CPU was able to operate at 3.75 GHz with such relatively low voltage. Therefore I was wondering whether I was doing something wrong. Perhaps my readings are wrong? If everything was just fine, do you think I'd still have room to further overclock the CPU?

If you want confirmation, run Prime95 overnight (see my signature about that). About temperatures, this is generally, a cool running motherboard, as far as the socket is concerned. The VRM may get hot. If your chip is stable, then you have a good chip...
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post #3126 of 3278
Thank you for the comment and especially for the Prime95 heads-up. I had no idea it could fail after 18 hours! Thought that after max 3 hours the system would be considered stable. I guess that for the time being I will live with my relative instability smile.gif. By the way, there is no way to monitor VRM temperature through software, is it? How could I check whether the VRM cooler is too hot? I guess that touching it is out of the question given the high temperatures...
post #3127 of 3278
Quote:
Originally Posted by FairFriend View Post

Thank you for the comment and especially for the Prime95 heads-up. I had no idea it could fail after 18 hours! Thought that after max 3 hours the system would be considered stable. I guess that for the time being I will live with my relative instability smile.gif. By the way, there is no way to monitor VRM temperature through software, is it? How could I check whether the VRM cooler is too hot? I guess that touching it is out of the question given the high temperatures...

Personally, i use IBT AVX Very High to quickly test stability and then 12h Prime95 for final confirmation. HWInfo might show VRM temp, i don't know, it depends on the motherboard. I have the motherboard, but i hate HWInfo, too much clutter and i don't trust software for such measurements anyway.

The finger method is only indicative. If you want the "secure" method, buy an IR thermometer. I have this one:

http://www.scythe-eu.com/no_cache/en/pressrelease/product/scythe-kama-thermo-wireless.html

^ Cheap and good. Can be powered up by USB port or by battery.

EDIT: For 1.375v i doubt you will have heat issue, unless you have very poor airflow.
Edited by Undervolter - 9/29/15 at 11:23am
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post #3128 of 3278
Thank you , but i still want a devils canyon now.
Quote:
Originally Posted by M3TAl View Post

There's Z97 boards on the marketplace right now for good prices (a Z97 SOC-Force $130 top of the line board). I'm sure you can find a used 4790K too for $250 or less just look around on OCN or other forum marketplaces. An i7-6700k is what $370? You can can get a new 4790K from Microcenter for $279.99 + tax if you are in the states and there's one near you hopefully.

We'll I just got 3dmark and I got the badge:

Brawn
Your GPU is ready to rumble, but your CPU doesn't want to play.

lol, its basically telling me go buy a devils canyon and I will reward you with a higher score
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post #3129 of 3278
Quote:
Originally Posted by FairFriend View Post

Thank you for the comment and especially for the Prime95 heads-up. I had no idea it could fail after 18 hours! Thought that after max 3 hours the system would be considered stable. I guess that for the time being I will live with my relative instability smile.gif. By the way, there is no way to monitor VRM temperature through software, is it? How could I check whether the VRM cooler is too hot? I guess that touching it is out of the question given the high temperatures...

Are you sure you are checking the correct temperature for CPU? 39C at full stress test load is VERY low unless your ambient is also VERY low.

I can't remember if the UD3P has a VRM sensor, some of the later Giga boards have a sensor. Download HWiNFO64 and look for something called PMBus VR (or something like that). If it has that then that's the VRM temp. Also you are unlikely to overheat the VRM with an x4 640, they don't pull nearly as much wattage as bulldozer/piledriver under high OC's. Even though both are 125W TDP the power draw shoots up much higher on BD/PD at high volts/clocks than on the old Athlon II/Phenom II's.
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post #3130 of 3278
Quote:
Originally Posted by M3TAl View Post

Are you sure you are checking the correct temperature for CPU? 39C at full stress test load is VERY low unless your ambient is also VERY low.

I can't remember if the UD3P has a VRM sensor, some of the later Giga boards have a sensor. Download HWiNFO64 and look for something called PMBus VR (or something like that). If it has that then that's the VRM temp. Also you are unlikely to overheat the VRM with an x4 640, they don't pull nearly as much wattage as bulldozer/piledriver under high OC's. Even though both are 125W TDP the power draw shoots up much higher on BD/PD at high volts/clocks than on the old Athlon II/Phenom II's.

Thank you for the reply. 39C is the core's temperature, which to my knowledge is calculated using an algorithm and therefore is not accurate. I've always thought that the socket temperature (56C in my case) was the one to monitor. I've read that, for AMD CPUs, core temperatures become accurate when they reach 45C: the explaination was that the difference between the actual temperature and the one calculated using the AMD algorithm decreases as the temperature increases. So presumably my real core temperature in this case should be 49C circa, that is socket temperature - 7C. Here is a link to a more articulate explaination http://www.overclock.net/t/1128821/amd-temp-information-and-guide.

Regarding the VRM temperatures, I launched HWiNFO64 and I've got two readings, called VR T1 and VR T2, where I presume VR stands for voltage regulator. Idle temperatures are 42C, load temperatures could not be measured because it appears that HWiNFO64 conflicts with OCCTPT. I'll try Prime95 later.

By the way, the X4 640 TDP is 95 Watt, so I guess I should be safe.
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