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Overclocking the 8320 multiplier strange issue

T.Vengeance
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I was really hoping that it wasn't the VRMs. I'd recommend RMAing your board, there is a sticker on the box which includes the serial number for your board, if this sticker is undamaged then you can still RMA your board.

Top-down CPU coolers like the Notcua NH-C14 will also help with the VRM cooling.

Update 2:

 

Did what I said before about reorienting the cpu cooler to not blow warm air over the VRMs and have the rear fan become intake fans. It helped abit but the temps were still in the 100s. 

 

So I did some research and found out that prime95 does something so that the OS doesn't cut off the floating point calculations and that really overtaxes the CPU, something that'll never happen in real world scenarios (at the time HWinfo64 is showing that the VRMs are pushing 140amps). That in mind, I decided to switch to AIDA64 for stress testing and now it's all good :D The VRM temps max out at 83C and are pushing on avg 98amps while the CPU is at 100%, and not throttling. So you can still recommend the 990FXA-UD3 I guess, as long as they don't stress test with prime95.

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For the longest time on this forum I actually would recommend the UD3 only if it was specifically the Rev 4.0 version because of the exact reason you posted above so I really do hope that's not the issue.

Nope it isn't. I ran the system last night while facing 0 degree air from my window and the problem still persisted. Gonna try out a new psu and see if it helps. If not I'll go return the new psu.

“The value of a college education is not the learning of many facts but the training of the mind to think”

 

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What version of HWMonitor are you using?

Another alternative I recommend would be AIDA64 Extreme Edition.

 

I'd say bring the Core voltage up to 1.375V and increase the Load-Line-Control up to High.

 

I was running into a similar issue a few days back (working on my overclock as well). My CPU would decrease the multiplier 14X from 22X that I had set in the BIOS after ~13 minutes into stress testing. It would drop my 4.8GHz to 2.8GHz. It ended up being not enough voltage / voltage drooping.

 

It seems that HWMonitor is missing a few voltage readings. Just for comparisons, here is what mine looks like:

xWXzVHq.png?1

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Update:

 

@TechFan@ic Yeah you were right, it wasn't my PSU. It was the VRMs overheating. I swear I thought they weren't but now seeing the temps, when I have 1.272V underload @4ghz, it levels off at 98degrees C. I tried 1.332V @4.4Ghz with a desk fan pointed towards my motherboard and the temps held at 88 degrees C and the multiplier didn't drop. I noticed that the multiplier dropped when the VRMs reached 114C :( Tomorrow imma try to reorient the CPU cooler to blow up and my rear exhaust fan to blow towards the VRMs and have a top fan exhaust between the VRM and CPU cooler. Hopefully it'll solve the problem but highly unlikely... (Hwmonitor afaik has no way of checking VRM temps, so that's why I thought they weren't overheating. Thanks @bbqsauce for suggesting HWinfo64 again :) The VRM temps are shown under PMbus VR)

 

@-rascal- I'm using version 1.24.0 stable

“The value of a college education is not the learning of many facts but the training of the mind to think”

 

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Update:

 

@TechFan@ic Yeah you were right, it wasn't my PSU. It was the VRMs overheating. I swear I thought they weren't but now seeing the temps, when I have 1.272V underload @4ghz, it levels off at 98degrees C. I tried 1.332V @4.4Ghz with a desk fan pointed towards my motherboard and the temps held at 88 degrees C and the multiplier didn't drop. I noticed that the multiplier dropped when the VRMs reached 114C :( Tomorrow imma try to reorient the CPU cooler to blow up and my rear exhaust fan to blow towards the VRMs and have a top fan exhaust between the VRM and CPU cooler. Hopefully it'll solve the problem but highly unlikely... (Hwmonitor afaik has no way of checking VRM temps, so that's why I thought they weren't overheating. Thanks @bbqsauce for suggesting HWinfo64 again :) The VRM temps are shown under PMbus VR)

 

@-rascal- I'm using version 1.24.0 stable

If your board is new and still under warranty you might want to consider trying to rma it? those vrm temps seem pretty odd for a rev4 board unless i'm mistaken.

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If your board is new and still under warranty you might want to consider trying to rma it? those vrm temps seem pretty odd for a rev4 board unless i'm mistaken.

Got the board off an NCIX ebay bid for 95. It was openbox but "like new" said in the ad. How would RMA work in this situation?

“The value of a college education is not the learning of many facts but the training of the mind to think”

 

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Got the board off an NCIX ebay bid for 95. It was openbox but "like new" said in the ad. How would RMA work in this situation?

I haven't got a clue regarding openbox stuff from ncix, maybe contact their customer support or something?

 

Edit: where did you check if you got the right revision from? maybe its actually a wrong revision? 

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I haven't got a clue regarding openbox stuff from ncix, maybe contact their customer support or something?

 

Edit: where did you check if you got the right revision from? maybe its actually a wrong revision? 

 

Well rev.4.0 got the new VRM heatsink so right off the bat I know its 4.0.

 

3.0 looks like this: http://www.gigabyte.com/products/product-page.aspx?pid=4397#ov

 

4.0 looks like this: http://www.gigabyte.com/products/product-page.aspx?pid=4672#ov

“The value of a college education is not the learning of many facts but the training of the mind to think”

 

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Well rev.4.0 got the new VRM heatsink so right off the bat I know its 4.0.

 

3.0 looks like this: http://www.gigabyte.com/products/product-page.aspx?pid=4397#ov

 

4.0 looks like this: http://www.gigabyte.com/products/product-page.aspx?pid=4672#ov

well you could try taking a shot at ncix to see if they would send you a new board. Or you could live with the 4.0/4.2 ghz clock so your vrms dont throttle.

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I thought they purposely fixed the VRM throttling issues with the new heatsinks on the rev.4 motherboard. I'm surprised it's still happening...

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Well rev.4.0 got the new VRM heatsink so right off the bat I know its 4.0.

 

didn't giggy also update the UEFI under APM?

don't have my UD3 on the bench anymore.

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didn't giggy also update the UEFI under APM?

don't have my UD3 on the bench anymore.

Enabling the APM underclocks my cores though sadly :(

“The value of a college education is not the learning of many facts but the training of the mind to think”

 

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I thought they purposely fixed the VRM throttling issues with the new heatsinks on the rev.4 motherboard. I'm surprised it's still happening...

it could be a one off thing. I mean he did purchase an open box one.

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Update:

@TechFan@ic Yeah you were right, it wasn't my PSU. It was the VRMs overheating. I swear I thought they weren't but now seeing the temps, when I have 1.272V underload @4ghz, it levels off at 98degrees C. I tried 1.332V @4.4Ghz with a desk fan pointed towards my motherboard and the temps held at 88 degrees C and the multiplier didn't drop. I noticed that the multiplier dropped when the VRMs reached 114C :( Tomorrow imma try to reorient the CPU cooler to blow up and my rear exhaust fan to blow towards the VRMs and have a top fan exhaust between the VRM and CPU cooler. Hopefully it'll solve the problem but highly unlikely... (Hwmonitor afaik has no way of checking VRM temps, so that's why I thought they weren't overheating. Thanks @bbqsauce for suggesting HWinfo64 again :) The VRM temps are shown under PMbus VR)

I was really hoping that it wasn't the VRMs. I'd recommend RMAing your board, there is a sticker on the box which includes the serial number for your board, if this sticker is undamaged then you can still RMA your board.

Top-down CPU coolers like the Notcua NH-C14 will also help with the VRM cooling.

My build : Glamor Shot.  Intel & AMD, Architectural Discussion.

 

 

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I was really hoping that it wasn't the VRMs. I'd recommend RMAing your board, there is a sticker on the box which includes the serial number for your board, if this sticker is undamaged then you can still RMA your board.

Top-down CPU coolers like the Notcua NH-C14 will also help with the VRM cooling.

Update 2:

 

Did what I said before about reorienting the cpu cooler to not blow warm air over the VRMs and have the rear fan become intake fans. It helped abit but the temps were still in the 100s. 

 

So I did some research and found out that prime95 does something so that the OS doesn't cut off the floating point calculations and that really overtaxes the CPU, something that'll never happen in real world scenarios (at the time HWinfo64 is showing that the VRMs are pushing 140amps). That in mind, I decided to switch to AIDA64 for stress testing and now it's all good :D The VRM temps max out at 83C and are pushing on avg 98amps while the CPU is at 100%, and not throttling. So you can still recommend the 990FXA-UD3 I guess, as long as they don't stress test with prime95.

“The value of a college education is not the learning of many facts but the training of the mind to think”

 

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Update 2:

 

Did what I said before about reorienting the cpu cooler to not blow warm air over the VRMs and have the rear fan become intake fans. It helped abit but the temps were still in the 100s. 

 

So I did some research and found out that prime95 does something so that the OS doesn't cut off the floating point calculations and that really overtaxes the CPU, something that'll never happen in real world scenarios (at the time HWinfo64 is showing that the VRMs are pushing 140amps). That in mind, I decided to switch to AIDA64 for stress testing and now it's all good :D The VRM temps max out at 83C and are pushing on avg 98amps while the CPU is at 100%, and not throttling. So you can still recommend the 990FXA-UD3 I guess, as long as they don't stress test with prime95.

I have an Asus Sabertooth 990FX R2.0 & in Prime95 smallFFT & mixed torture tests my FX 8320 doesn't throttle @ 4.4Ghz with 1.38v nor do the VRMs overheat.

My build : Glamor Shot.  Intel & AMD, Architectural Discussion.

 

 

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I have an Asus Sabertooth 990FX R2.0 & in Prime95 smallFFT & mixed torture tests my FX 8320 doesn't throttle @ 4.4Ghz with 1.38v nor do the VRMs overheat.

Point taken. Gigabyte really needs to sort out their shit then...

“The value of a college education is not the learning of many facts but the training of the mind to think”

 

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Point taken. Gigabyte really needs to sort out their shit then...

my board's vrms don't overheat. its probably just a bad board. the current revision is still ok.

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my board's vrms don't overheat. its probably just a bad board. the current revision is still ok.

(sadface)

 

Well anyhow to sum it up, I'm using the 4.4 OC atm. Stress tested with AIDA64 and my VRM temps are good. So I'll stick with it.

“The value of a college education is not the learning of many facts but the training of the mind to think”

 

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