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Help, confusing temperatures coming from core temp and hwmonitor for a water cooled 8350, asus sabertooth 990fx. 5 degrees centigrade?!

post #1 of 4
Thread Starter 
Hi, late last night i finished my new build. I upgraded from an older 965be water cooled and enjoyed overclocking it. Decided to upgrade the whole thing and now have an asus sabertooth990fx, with an amd 8350 be. Running a single loop just for the cpu with a koolance 380a and a 240mm black ice rad. Graphics card is an asus matrix platinum 7970 because it was on offer and cheaper than any other 7970's on the day.

The computers running great, installed core temp to monitor the temp of the cpu so I could have a little play around with overclocking... The trouble is the cpu temps are simply not right. I've used hardware monitor too and it's giving the same results. In my room which is 20 degrees both programs are saying the cpu is idling between 4 and 8 degrees, and on a prime95 torture test it only goes up to 28 degrees after a few minutes. Let the cpu go back to idle and it's straight back down to around 10 degrees.

I haven't overclocked anything yet, it's straight out of the box.

cputemps_zpse7a23f71.jpg

I'm fairly handy with building computers but still learning about overclocking them, so will be digging in here to find lots of useful information for my set up.

Has anyone else had problems with inaccurate cpu temps on this mobo?

Thanks for any help, hope i've not posted in the wrong area smile.gif
post #2 of 4
try having a look at the temperature in the bios, software monitoring isn`t always accurate.
post #3 of 4
The new FX and APU processors arent accurately read by coretemp or any of the other monitoring programs until about +26c. Even then, the numbers could be slightly off.

Apparently no one has created a monitor that can accurately guage the temp of these new processors yet.

Like reecey said though, check the BIOS for a good idle temp. As long as your temps are normal there, you should be ok. Set your fan profile to kick up at 60c. If you reach 60c, either you are overclocking by a fair amount and/or your cooling solution is either inadequate or improperly mounted.
The Water Ninja
(26 items)
 
Pepto Pony
(12 items)
 
MrDVR
(15 items)
 
CPUMotherboardGraphicsRAM
AMD FX-8350 @ 4.8Ghz CROSSHAIR V FORMULA-Z MSI GTX 980 Gaming 4g 16Gb G. Skill Ripjaws 4x4 @ 1600 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 PRO 128Gb SSD Intel 160 Gb SSD Intel 250 Gb SSD Generic DVD-RW 
CoolingCoolingCoolingCooling
2 x Noctua (NF-P12-1300 )1300rpm Premium Silent... 2 x Corsair Air Series SP120   COUGAR CF-V12H Vortex Hydro-Dynamic-Bearing  Monsoon 90° Rotary Angle Fitting - 5/8" - Red 
CoolingCoolingCoolingCooling
Bitspower Dual / Single D5 Top Upgrade Kit 100 ... ModMyToys DreamFlex Premium 3/8" ID Tubing Reta... Coolance Liquid Coolant Bottle, 700mL Fluoresce... Coolance PMP 450 Variable Speed D5 Pump 
CoolingCoolingCoolingCooling
Bitspower D5 Mod Top V2 Pom version Alphacool NexXxos UT60 Full Copper Radiator 240 Noctua NF-A6X25 FLX Quiet Computer Cooling Fan ... NZXT Sentry Mesh Fan Controller w/ Five 30 watt... 
OSMonitorKeyboardPower
Microsoft Windows 7 Ultimate Toshiba Regza 52" 1920 x 1080 @ 120Hz  Microsoft Wireless Comfort 5000 Keyboard and Mouse SeaSonic M12II 750 
CaseAudio
My TV Stand Cabinet Creative Sound Blaster X-Fi Titanium 
CPUMotherboardGraphicsRAM
FX-4300 Gigabyte GA-78LMT-USB3 EVGA Geforce GTX 260 G.Skill Ripjaws X 
Hard DriveHard DriveOptical DriveCooling
Corsair SSD Samsung 7200 Laptop drive Some DVD Burner I took out of a dead Dell. Noctua NH-C12P SE14 
MonitorKeyboardPowerCase
Dell 19" 16:9 Logitec wireless Enermax 650w Apevia X-Cruiser3 Pink 
CPUMotherboardGraphicsRAM
A6-6400K Dual Core MSI A78M-E35 Onboard 4Gb G.Skill Ripjaws 1600Mhz (2 x 2) 
Hard DriveHard DriveOptical DriveCooling
Intel 320 SSD Western Digital 2.5" 1Tb 7200rpm  LG External Blue-ray Combo Drive Noctual NH-L9a 92mm SS02 
OSMonitorKeyboardPower
Windows 7 Ultimate 64bit Toshiba Regza 52" 1080p Logitech K400 Antec EarthWatts Green EA-380D 
CaseAudioOther
A piece of plywood and some zip ties. Onboard Hauppauge WinTV HVR-2250 dual tuner card. 
  hide details  
Reply
The Water Ninja
(26 items)
 
Pepto Pony
(12 items)
 
MrDVR
(15 items)
 
CPUMotherboardGraphicsRAM
AMD FX-8350 @ 4.8Ghz CROSSHAIR V FORMULA-Z MSI GTX 980 Gaming 4g 16Gb G. Skill Ripjaws 4x4 @ 1600 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 PRO 128Gb SSD Intel 160 Gb SSD Intel 250 Gb SSD Generic DVD-RW 
CoolingCoolingCoolingCooling
2 x Noctua (NF-P12-1300 )1300rpm Premium Silent... 2 x Corsair Air Series SP120   COUGAR CF-V12H Vortex Hydro-Dynamic-Bearing  Monsoon 90° Rotary Angle Fitting - 5/8" - Red 
CoolingCoolingCoolingCooling
Bitspower Dual / Single D5 Top Upgrade Kit 100 ... ModMyToys DreamFlex Premium 3/8" ID Tubing Reta... Coolance Liquid Coolant Bottle, 700mL Fluoresce... Coolance PMP 450 Variable Speed D5 Pump 
CoolingCoolingCoolingCooling
Bitspower D5 Mod Top V2 Pom version Alphacool NexXxos UT60 Full Copper Radiator 240 Noctua NF-A6X25 FLX Quiet Computer Cooling Fan ... NZXT Sentry Mesh Fan Controller w/ Five 30 watt... 
OSMonitorKeyboardPower
Microsoft Windows 7 Ultimate Toshiba Regza 52" 1920 x 1080 @ 120Hz  Microsoft Wireless Comfort 5000 Keyboard and Mouse SeaSonic M12II 750 
CaseAudio
My TV Stand Cabinet Creative Sound Blaster X-Fi Titanium 
CPUMotherboardGraphicsRAM
FX-4300 Gigabyte GA-78LMT-USB3 EVGA Geforce GTX 260 G.Skill Ripjaws X 
Hard DriveHard DriveOptical DriveCooling
Corsair SSD Samsung 7200 Laptop drive Some DVD Burner I took out of a dead Dell. Noctua NH-C12P SE14 
MonitorKeyboardPowerCase
Dell 19" 16:9 Logitec wireless Enermax 650w Apevia X-Cruiser3 Pink 
CPUMotherboardGraphicsRAM
A6-6400K Dual Core MSI A78M-E35 Onboard 4Gb G.Skill Ripjaws 1600Mhz (2 x 2) 
Hard DriveHard DriveOptical DriveCooling
Intel 320 SSD Western Digital 2.5" 1Tb 7200rpm  LG External Blue-ray Combo Drive Noctual NH-L9a 92mm SS02 
OSMonitorKeyboardPower
Windows 7 Ultimate 64bit Toshiba Regza 52" 1080p Logitech K400 Antec EarthWatts Green EA-380D 
CaseAudioOther
A piece of plywood and some zip ties. Onboard Hauppauge WinTV HVR-2250 dual tuner card. 
  hide details  
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post #4 of 4
Thread Starter 
Thanks for the replies guys. I am on water so I can't set the fan speeds to kick in on the cpu temp I guess. I have a fan controller running the fans on the radiator at full, have a koolance 380a water block and 240mm rad just for the cpu so I'm sure it's cooled well enough. I've overclocked it to 4.5ghz with vcore at 1.416v so I don't think that should be running too hot.

I was just confused by the very low temps coming out of core temp.

Hopefully someone will make an accurate desktop based monitor for use in benchmarking and running prime95.
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  • Help, confusing temperatures coming from core temp and hwmonitor for a water cooled 8350, asus sabertooth 990fx. 5 degrees centigrade?!
Overclock.net › Forums › AMD › AMD CPUs › Help, confusing temperatures coming from core temp and hwmonitor for a water cooled 8350, asus sabertooth 990fx. 5 degrees centigrade?!