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[Official] Gigabyte GA-990XA/970A-Series Owners' Club & Help Thread - FX-8350 support added - Page 125

post #1241 of 3278
Quote:
Originally Posted by mezmenir View Post

That's the main reason I got a dedicated card, it does lighten up the load on the CPU a little- who knows, it may help overclocking a little bit as well. Sounds fairly decent, but then again, I really, -really- disliked the onboard audio included with the GA990XA-UD3. I will update this opinion in a week or so when I get my new board, as apparently it has amazing onboard audio- so, it's a more fair comparison, hah.
EDIT: And about the AHCI driver, I used the provided pre-installation driver from Gigabyte (yes, it's old but, it worked), followed by installing AMD's newest drivers after Windows was done installing. That seemed to net the best performance. I had bad luck with SATA on my board though, so my only opinions on the MSAHCI driver are- it sucks. YMMV, though.

Please let me know how it compares to your new motherboard. What I REALLY dislike about having this card, though, is the floppy power adapter. I properly hate having extra cables around my case =/

I think I might give the AMD AHCI drivers a go, I've been having a few BSOD's when waking up from sleep mode.

Edit: I'm getting low FPS on Prototype 2. I know the answer is pretty obviously a yes to the question im about to ask, but do you think that the CPU is bottlenecking the system?


Edited by petsasj - 9/7/12 at 3:15am
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post #1242 of 3278
Hello fellow board owners!

Just a quick follow up to this post I made earlier, and thanks for the prior help!

Just trying to be on the safe side of things, a nice overclock would be great, but longevity and all that is what I'm really after.

So, TMPIN2 is pretty much unanimous to be the CPU socket temp. After doing some research, it seems an approximate 12C will be the difference between the socket temp (TMPIN2) and core temps. This makes sense to me, as my readings are anywhere from 11-13C higher on TMPIN2 than on individual core temps.

I am running a 990XA-UD3 with a 975BE on a Hyper 212+ in a push/pull configuration. I set a simple multiplier bump from 18 to 20, giving me a final clock speed of 4Ghz. AMD recommends keeping this line of CPU under 62C. I'd assume they're referring to the socket temp (TMPIN2) rather than the individual core temps. Under a Prime95 blend stress core temps hit about 56 and TMPIN2 hits anywhere from 68-70, better or worse depending on ambient temps. Also, vCore is anywhere from 1.42 to 1.44 using either HWMonitor or CPU-Z, and I have LLC set to Regular in the BIOS.

The real question here I'm asking is this: I need to lower my vCore to drop the CPU socket temp to a reasonable level. Anyone with experience with this combination of board/CPU care to share what kind of voltage you're running your Deneb chips at? I'm going to start slowly dropping vCore until I hit instability. I wouldn't mind dropping to the stock multiplier as well if it keeps my CPU socket temp lower. I just figured it'd be nice to see some other numbers to compare to. Also, I'd like fine control over all the voltages on the board, instead of letting the board do it automatically. I do not know what normal operating voltages are supposed to be for these, and some Googling doesn't get me anywhere either (probably not searching with the right words). Any links to this information would be appreciated!

What a great group here for this board, a wonderful place to come to learn and get as much as you can out of this board! Thanks in advance for all your wonderful expertise!

EDIT: I figured I'd also mention that I have the voltage settings in the BIOS set to Auto, which includes CPU vCore.
Edited by TMan459 - 9/8/12 at 12:38am
post #1243 of 3278
62C refers to core temps, not CPU socket temp.
post #1244 of 3278
Quote:
Originally Posted by itomic View Post

62C refers to core temps, not CPU socket temp.

62C refers to CPU package temp, aka TCase (TMPIN#). Not core. Visit AMD datasheets references.

No, TMPIN# isn't actually a sensor on the board, it's another estimated temperature based on your junction. Core tempertaure calculation is a little bit different, but in reality, your cores are always 8-20C higher than your TCase. Hence throttling kicks in sometimes at 77-80C TCase.

No, running over a value of 62C Tcase won't hurt the CPU dramatically, YMMV of course, this is probably chip specific. I've let mine get up to 70ish. At which point the cores are roughly 85.
    
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post #1245 of 3278
FX and Phenom II r not the same. FX chips whitstand higher temps without throttling. Safe switch on FX chip is set at 90C. U said that u let your chip up to 70 -ish. What was it then, cores 70-ish, or CPU socket 70-ish ??
post #1246 of 3278
Quote:
Originally Posted by itomic View Post

FX and Phenom II r not the same. FX chips whitstand higher temps without throttling. Safe switch on FX chip is set at 90C. U said that u let your chip up to 70 -ish. What was it then, cores 70-ish, or CPU socket 70-ish ??

I wasn't comparing "per-processor", more like- talking about how running outside the blanket of it's rated temperature hasn't hurt it. FX can take a lot more heat, yes.

"CPU Socket" is Tcase (there is no socket sensor), and yeah, that's what gets up to 70. When my TCase is 70 (give or take), the cores "display" 55-60, but in reality, they are more like 80+, easy. It is physically impossible to have a core temperature lower than Tcase, and the "core" temperature isn't calibrated for absolute reads, but merely only good for delta. AMD hasn't realeased any information to make it any more useful at all, though newer version of AOD seem to read it differently, YMMV.

I used to be a strong believer in the 62C core temp thing too- but. Yeah. It's not right, because of physics. The cores are rated to take much, much higher heat than Tcase, but the "CPU package" as a whole, is only rated for X value. (62.5 for example).

(It was more meant for "TMan", in the post above).
    
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post #1247 of 3278
Socket temp has REAL sensor, its only real sensor regariding the chip it self.
post #1248 of 3278
Quote:
Originally Posted by itomic View Post

Socket temp has REAL sensor, its only real sensor regariding the chip it self.

No. TMPIN# is an estimation. There's a real sensor somewhere on die, as to it's value, well we can't see it. Rumor has it, that it's somewhere in the junction between the die and socket, in the CPU. Tcase is only an estimation though- there is no physical sensor inside the socket. AMD uses a sideband interface for the sensors, the temperature is given to the board, from the processor. (This is of course assuming the manufacturer only followed AMDs specification and didn't do anything custom, like in the Sabertooth's case. That board is covered in DTS.) Nowhere in the AMD Socket design specifications is a thermal sensor or related, ever mentioned. Though, if you want the true rating of temperature -of- the socket, it is safe between -55C and +110C. Far beyond what the processor will ever experience.
Edited by mezmenir - 9/8/12 at 12:31pm
    
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post #1249 of 3278
Quote:
Originally Posted by itomic View Post

FX and Phenom II r not the same. FX chips whitstand higher temps without throttling. Safe switch on FX chip is set at 90C. U said that u let your chip up to 70 -ish. What was it then, cores 70-ish, or CPU socket 70-ish ??

Cores we're according to HWMonitor around 12C lower than TMPIN2. Attached a screenshot of HWMonitor to show what's going on. The screenshot show only a 11C difference, but it's always 11-13, mostly 12, I suppose depending on how close either temp is to any particular degree, just not rounding at times.

I played with voltages and got pretty good results. Ended up disabling CnQ in the BIOS and using PhenomMsrTweaker to set up a manual CnQ profile. Running @ 3.6 Ghz @ stock 200Mhz frequency @ the stock multiplier of 18 with only needing 1.3125 vCore. A significant drop in temps as you can see in the screenshot, compared to around a 70C TMPIN2 reading running @ 4.0Ghz with 1.425 vCore.

I live in Wisconsin, and it's been an unusually hot and humid summer, and have no climate control where this computer sits. Plus the apartment I'm in has no cross breeze, so air gets pretty stale where my computer sits.

Once it starts cooling off outside I'll probably end up overclocking the chip back to 4Ghz since cooler ambient temps will keep it running cooler.

Thanks for all the quick, helpful responses!



HWMonitor was monitoring for about 30 minutes while both idling, a quick 10 or so minutes of Prime95, and some Guild Wars 2.
Edited by TMan459 - 9/8/12 at 8:13pm
post #1250 of 3278
If anyone is interested, i installed new BETA BIOS F7c for 970A - UD3 board and didnt notice any improvements over F6 for overclocking.
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