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Table 25. System Information details (continued)
Option
System CPLD Version
UEFI Compliance Version
AGESA Version
SMU Version
MPIO Version
Memory Settings
To view the Memory Settings screen, power on the system, press F2, and click System Setup Main Menu > System BIOS
> Memory Settings.
Processor Settings
To view the Processor Settings screen, power on the system, press F2, and click System Setup Main Menu > System
BIOS > Processor Settings.
Table 26. Processor Settings details
Option
Logical Processor
Virtualization Technology
IOMMU Support
Kernel DMA Protection
L1 Stream HW Prefetcher
L2 Stream HW Prefetcher
L1 Stride Prefetcher
L1 Region Prefetcher
Description
Specifies the current version of the system complex programmable
logic device (CPLD) firmware.
Specifies the UEFI compliance level of the system firmware.
Specifies the AGESA reference code version.
Specifies the SMU firmware version.
Specifies the MPIO firmware version.
Description
Each processor core supports up to two logical processors.
If this option is set to Enabled, the BIOS displays all the
logical processors. If this option is set to Disabled, the BIOS
displays only one logical processor per core. This option is set
to Enabled by default.
Enables or disables the virtualization technology for the
processor. This option is set to Enabled by default.
Enable or Disable IOMMU support. It is required to create
IVRS ACPI table. This option is set to Enabled by default.
When this option is set to Enabled, using IOMMU, BIOS,
and the Operating System will enable direct memory access
protection for DMA capable peripheral devices. Enable
IOMMU Support to use this option. This option is set
to Disabled by default. When set to Enabled by using
Virtualization Technology, BIOS and Operating System will
enable direct memory access protection for DMA capable
peripheral devices. Enable Virtualization Technology to use
this option.
Enables or disables the L1 stream hardware prefetcher. This
option is set to Enabled by default.
Enables or disables the L2 stream hardware prefetcher. This
option is set to Enabled by default.
Enables or disables the L1 stride prefetcher. This option is set
to Enabled by default, as it optimizes overall workload.
NOTE:
This option is only available for 4
AMD EPYC processors.
Enables or disables the L1 region prefetcher. This option is set
to Enabled by default, as it optimizes overall workload.
NOTE:
This option is only available for 4
AMD EPYC processors.
Pre-operating system management applications
th
Generation
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Generation
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