The Intel default of this value is 1.25 times the product defined TDP (i.e. This is also considered the second layer of protection to prevent the CPU from been damaged due to overclocking. Short Duration Package Power Limit defines the absolute highest power consumption that the CPU can sustain for a very short period of time to compensate the possibility of a sudden drain of power when under extreme high load. The unit is in seconds, with the maximum length limited at no more than 127. Package Power Time Window defines the length of time in seconds that is allowed for the CPU to operate at above TDP yet below the Long Duration Package Power Limit. When left at AUTO, the BIOS will load the Asus recommended value defined by the Asus OC Expert Team for the ease of O.C. The Intel default value of this option is the TDP(Thermal Design Power) of that processor. This is also known as the first level of protection to prevent the CPU from been damaged due to overclocking. Long Duration Packet Power Limit defines the throttle point of when the CPU should throttle down when the power consumption exceed the defined level. I don't understand why ASUS engineers have setted so high default values, do they realize that a user without particular knowledge keeping everything on default except XMP will expose his CPU to power/thermal throttling and even accelerated decay ?Ĭan someone explain long and short duration power limits value (and also give some good value to insert) ?. Also, vssa and vccio are hugely too high with XMP profiles. With everything on default, except SVID behaviour on best scenario, vcore could exceed 1.4V. For my part, I had to set a negative offset of 0.14V and set LLC on 1.Īs I said above, default voltages are delirious.
#Power on time exceeded manual
Then, you can set offset or adaptive voltage mode according to what manual voltage you needed. Even with AVX in linpack, with power limit on 140W (my cooler is a Pure Rock given for 150W TDP), all cores were running at 4.7 GHz and max temp threshold at 85☌ was not exceeded. There was no throttling any longer, and of course, temperatures were cooler.
Under very high stress, vcore did not exceed 1.23V.
For my 8700K at 4.7 GHz on all cores, I only needed 1.20V, despite using a 3600 MHz RAM kit. You can try manual mode and see what voltage you need. In fact, default voltages applied by the board are far too high for stock frequencies, even with MCE.
I had the same problem with my Z370-F Strix board, and even raising power limit in BIOS did not totally prevent the CPU from power throttling.
0 kommentar(er)
