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Sleep mode resets overclock

Sleep mode resets overclock
« on: January 20, 2015, 08:29:46 pm »

On waking from sleep the CPU multiplier returns to stock.

I've set multiplier at 44 in the BIOS. Vcore is 1.15v.

Boot up and check frequencies, temps etc using gigabyte SIV. Looks good.

Run Prime 95. Temps jump 20-40 deg, fans rev up. Check frequencies using task manager. See a jump from +- 3.5GHz to +- 4.3GHz

So far so good.

Put the system into sleep mode (via windows shut down menu)

Wake the system.

Check frequencies, temps etc using gigabyte SIV. Vcore still 1.15v but CPU mulitplier returned to 35 (stock). CPU frequency now reported as stock (3.5GHz)

Run Prime 95. Temps jump only 20 deg or so, fan speed hardly increases. Check frequencies using task managerand get nothing above stock.

Maybe it's just reporting wrong but lack of CPU temp rise suggests CPU frequency multiplier isreturning to stock after wake from sleep.

Any suggestions as how to fix this?

Thanks for your help.

SteveStrop


Motherboard Model: X00-UD4 rev1.0

BIOS version:F11
 
Processor Make and Model:i7 5930K

Memory Manufacturer: Gskill

Model:Type: DDR4

Capacity: 4x 8GB

Timings: 15-15-15

Graphics Card Manufacturer:PNY

Model: Quadro K2200

Operating System: Win 8.1 Pro 64bit

CPU Cooling: Corsair H75