Asus TUF Z270 MARK 2 Bios Manual page 40

Hardware Prefetcher
This item allows the CPU to prefetch commands and data in the L2 cache, reducing the
DRAM loading time and improves the system performance.
Adjacent Cache Line Prefetch
This item allows the mid level cache (L2) to prefetch adjacent cache lines, reducing the
DRAM loading time and improves the system performance.
Boot Performance Mode
This item allows you to select the CPU performance state during system boot before the
operating system takes control. The CPU runs at a selected performance ratio based on CPU
SW Guard Extensions (SGX)
This item allows you to enable or disable Software Guard Extensions (SGX).
Tcc Offset Time Window
This item allows you to set the TCC Offset Time Window for Running Average Temperature
Limit (RATL) feature. RATL allows setting an average max thermal temperature.
Temperatures within the time window can get higher than the temperature threshold but only
the average is used to cause frequency clipping.
CPU - Power Management Control
Intel(R) SpeedStep(tm)
This item allows more than two frequency to be supported.
CPU C-states
This item allows you to set the power saving of the CPU states.
40
[Turbo Performance] [Auto]
Turbo Mode
This item allows you to automatically set the CPU cores to run faster than
the base operating frequency when it is below the operating power, current
ASUS TUF Z270 MARK 2 BIOS Manual