Hardware Prefetcher; Adjacent Cache Line Prefetch; Boot Performance Mode; Cpu Power Management Configuration - Asus STRIX Z270F GAMING Bios Manual

Hardware Prefetcher

This item allows the CPU to prefetch commands and data in the L2 cache, reduces 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
[Auto]
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 Configuration

Intel(R) SpeedStep(tm)
This item allows more than two frequency to be supported.
The following item appears only when you set Intel(R) SpeedStep(tm) to [Auto] or
[Enabled].
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 and temperature
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ASUS STRIX Z270F GAMING BIOS Manual