MSI H87M-G43 manual Enabled Enables Intel AES support Disabled

▶Hardware Prefetcher [Enabled]

Enables or disables the hardware prefetcher (MLC Streamer prefetcher).

[Enabled]	Allows the hardware prefetcher to automatically pre-fetch data
	and instructions into L2 cache from memory for tuning the CPU
	performance.
[Disabled]	Disables the hardware prefetcher.

▶Adjacent Cache Line Prefetch [Enabled]

Enables or disables the CPU hardware prefetcher (MLC Spatial prefetcher).

[Enabled]	Enables adjacent cache line prefetching for reducing the cache
	latency time and tuning the performance to the specific application.
[Disabled]	Enables the requested cache line only.

▶CPU AES Instructions [Enabled]

Enables or disables the CPU AES (Advanced Encryption Standard-New Instructions) support. This item appears when a CPU supports this function.

[Enabled]	Enables Intel AES support.
[Disabled]	Disables Intel AES support.

▶Intel Adaptive Thermal Monitor [Enabled]

Enables or disables the Intel adaptive thermal monitor function to protect the CPU from overheating.

[Enabled]	Throttles down the CPU core clock speed when the CPU is over the
	adaptive temperature.
[Disabled]	Disables this function.

▶Intel C-State [Auto]

C-state is a processor power management technology defined by ACPI.

[Auto]	This setting will be configured automatically by BIOS.
[Enabled]	Detects the idle state of system and reduce CPU power consumption
	accordingly.
[Disabled]	Disable this function.

▶C1E Support [Disabled]

Enables or disables the C1E function for power-saving in halt state. This item appears when "Intel C-State" is enabled.

[Enabled]	Enables C1E function to reduce the CPU frequency and voltage for
	power-saving in halt state.
[Disabled]	Disables this function.

▶Package C State limit [Auto]

This item allows you to select a CPU C-state mode for power-saving when system is idle. This item appears when "Intel C-State" is enabled.

[Auto]	This setting will be configured automatically by BIOS.
[C0~C7s]	The power-saving level from high to low is C7s, C7, C6, C3, C2,
	then C0.
[No limit]	No C-state limit for CPU.

Chapter 3

3-23 BIOS Setup