[žile]

No-execute memory protection.

CPU thermal throttling=TM2

The first is in the form of TM1 (Thermal Monitor 1). If the CPU reaches a certain temperature this technology inserts idle clock cycles into the system to try and cool it down. This is called Thermal Throttling. As it is inserting idle clock cycles this means that less clock cycles can be used to process data, thus a decrease in processing power is noticed.

The second is called TM2 (Thermal Monitor 2). This is the main part of Intel SpeedStep Technology. This can decrease the multiplier on a CPU to x14 and decrease the CPU voltage (vcore), thus lowering temps but reducing the clock speed of the CPU. This is only activated when a small amount of processing power of the CPU is actually required. TM2 is part of the Enhanced Intel SpeedStep Technology that is implemented into the Intel 6xx and 8xx processors and obviously the mobile processors.

TM1 is very common and is implemented into: Pentium 4, Xeon, Celeron D, Celeron (Northwood), Pentium M processors and Pentium Dual Cores (Pentium D).
The temperature for the activation of thermal throttling varies on the model and stepping of the processor.

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