Chapter 4: UEFI BIOS
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effect. Options include
Auto
, ONE (1+0), TWO (1+0), THREE (3+0), FOUR (2+0), FIVE
(5+0), SIX (6+0), and SEVN (7+0). If unsure, leave this to Auto.
L1 Stream HW Prefetcher/L2 Stream HW Prefetcher
This setting is used to enable or disable the L1/L2 Stream Hardware Prefetcher. The options
are Disabled, Enabled and
Auto
.
SMEE
This setting Enables or
Disables
secure memory encryption.
SEV ASID Count
The Secure Encrypted Virtualization (SEV) Address Space ID Count (ASID) specifies the
maximum ASID value, which affects the maximum system physical address space. 16TB
of space is available for systems that support 253 ASIDs, while 8TB of space is available
for systems that support 509 ASIDs. The options include 253 ASIDs, 509 ASIDs, and
Auto
.
SEV-ES ASID Space Limit Control
This setting customize SEV-VS ASID space limit . The options include
Auto
and Manual.
SVM Mode
This setting
Enables
or Disables CPU Virtualization.
CPU1/CPU2 Information
These sections are for informational purposes. They will display some details about the
detected CPUs on the motherboard, such as:
•
CPU Version
•
Number of Cores Running
•
Processor Family
•
Processor Model
•
Microcode Patch Level
•
L1 Instruction Cache (Size/Method)
•
L1 Data Cache (Size/Method)
•
L2 Data Cache (Size/Method)
•
L3 Cache per Scoket (Size/Method)
