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ryzen 256c temp spikes

Wormhole
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anyone else having 256 degrees celsius spikes on ryzen or is it core temp

pc specs

ryzen 5 1600

masterliquid 120l water cooler

ax370 gaming k7

16gb ddr4 2400

rtx 2070

 

(◣_◢) Ryzen 5 3600,   Aorus X370 K7,   XPG 16GB 3200,   Gigabyte 2070 Windforce Corsair RM650x,   LG 32GK650F-B 31.5" 144Hz QHD FreeSync VA,   Kingston 120GB SSD,   Samsung 1TB 860 QVO,   2TB HDD,   Fractal Design Meshify C,   Corsair K63 Wireless,   Corsair Gaming M65 PRO,   Audio Technica ATH M50x,   Windows 10 ProCorsair H100x 240mm.  (◣_◢)

(◣_◢) Ryzen 5 1600,   Noctua NH-L12S,   Gigabyte GTX 1060 6G,   ASUS Prime B350 Plus,   HyperX Fury 8GB DDR4 (2666MHz - 1.3v),   SilverStone ET550-B,   Kingston 120GB SSD 2TB HDD,   Cougar MX330,   Windows 10 Pro.  (◣_◢)

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256 C....Ryzen only goes to 90 C....at 256 the chip would be fried.

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My guess is that the temperature sensor has gone wonky...

CPU: i7-5820k @ 4.2Ghz // MOBO: Asus X99 Sabertooth // RAM: 32GB Corsair Dominator Platinum 2400MHz 

GPU: MSI GTX 1080 FE // PSU: Corsair RM750i // CASE: Thermaltake Core X71 // BOOT: Samsung Evo 960 500GB

STORAGE: Samsung Evo 850 500GB + 250GB // COOLING: Full custom loop // DISPLAY: LG 34UC89G-B

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It's pretty much an incorrectly read sensor.  Values like 127c or 256c should always be treated as suspicious, as they can be a sign of software reading the wrong memory address to get temperature from sensor, or other such issues.

 

127 = 0111 1111 in binary , it's the maximum you can store in one byte if the 8th bit is used for sign

256 = 0000 0001  0000 0000 in binary, another value that doesn't really make sense for temperatures ...

 

Use hwmonitor or aida64 to read the temperatures, see if those get it wrong as well.

 

btw. a Ryzen cpu would probably start to throttle (reduce its frequency) at around 95-100c and eventually shut down.  So 256c is not realistic.  It never was, since solder melts at around 217 degrees celsius, so the socket and components on the motherboard would de-solder themselves at such temperatures.

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