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Need help for counter adjusting AMD's 20 deg offset on a psasively cooled 1800x Ryzen cpu

post #1 of 12
Thread Starter 
I have a passively cooled cpu build, and I need to lower the reported temperature by 20 deg, which is the offset AMD had previously, but I don't know how to do it, or rather, it isn't clear to me how to safely make this kind of change in the bios.


Motherboard: Crosshair VI Hero
Cpu: Ryzen 1800x
Bios: 1002

Installed: AMD chipset driver 17.10 from around 17. April this year.

I never installed the Asus package (AMD Chipset Driver V9.0.000.8 for Win7 64bit &Windows 10 64-bit, dated March 9.)

Update: I disabled "sense skew" in bios , but that did not seem to have any effect by the looks of it.
Edited by Decoman - 5/3/17 at 2:04am
post #2 of 12
Thread Starter 
Having looked at the fist page here, I set the "sense skew" to 'enabled', and I set the value to 272. This apparently made the reported cpu temp in bios seem much lower.

Inside windows, HFinfo64 report temps around 51 deg C max at idle.
post #3 of 12
What is the temp when you run IBT (Intel Burn Test)?
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
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2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
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post #4 of 12
Thread Starter 
I am willing to try that. smile.gif Give me a few minutes.

This is not ideal though at present time, as I don't have my three temperature controlled fans installed. I only have one noctua fan mounted into the case.

Hmm. I need to first install .NET Framework 3.5 to get the Intel Burn Test software to install. 231MB, will take some minutes to download.

Btw, this is how the build looks like atm, with the three fans I mentioned not yet mounted on the far right side:


Edited by Decoman - 5/3/17 at 3:46am
post #5 of 12
Thread Starter 
I have started the IntelBurnTest and running with "normal" settings in that software.

Cpu temps seem to hold at 70 deg C. smile.gif

Btw, I am using a KVM switch to switch between my two computers, only having one screen.
post #6 of 12
That temp is with the side panel off?
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
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post #7 of 12
Thread Starter 
Note: Later on, this machine with only one fan (!) did not pass the IntelBurnTest when I put the front panel onto the case.


Max temps reported by HWinfo64 was 73 deg C.

Looks like this cooler might be decent. I had my doubts when I had to work with AMD's 20 deg C offsett, making my bios warning me about overheating. Now, with that issue solved, seems I have ok temps after all. smile.gif
Edited by Decoman - 5/3/17 at 4:23am
post #8 of 12
Thread Starter 
Ah, ok, let me do the test again, with the front panel mounted on the case. I did my test without the front panel mounted, because it was already off, and I didn't know the performance of the cooler. I did have the back panel mounted.

I'll try this again with the panels off.
post #9 of 12
You might wan to read what Doyll has to say...

Setting up a case for optimum cooling
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
  hide details  
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
  hide details  
Reply
post #10 of 12
Thread Starter 
Seems like, with the front panel on, the Ryzen 1800x cpu shut itself down as the temps got to about 80 degC. (I tried this two times now, same result.) It really did not look like the temps went to 90's or anything like that.

I tried to keep an eye on all the various things with HWinfo64, and the last I saw the temp on the cpu was measaured to be 78 deg C. I am no expert, so take this with a grain of salt so to speak, though this made me think that the cpu shut down at 80 deg C.

All the other temps seemed fairly low.

Hopefully, with the three fans I have ordered, the higher temps should be manageable.

I was hoping for the cooler to work without lots of fans blowing, but I knew it was probably a bad idea to not have any fans at all, as if relying only on convection to have the hot air escape out the top of the case.

I will now go order some Conductonaut to try that out, and re-seat the cooler again. At this point, a degree cooler or two, would be beneficial.
Edited by Decoman - 5/3/17 at 5:03am
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