SuperServer 5019C-L/FL User's Manual
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Max Payload Size
Select Auto for the system BIOS to automatically set the maximum payload value for a
PCI-E device to enhance system performance. The options are
Auto
, 128, and 256 TLP.
Program PCIe ASPM After OPROM
PCIe ASPM, the Active State Power Management for PCI-Express slots, is a power
management protocol used to manage power consumption of serial-link devices installed
on PCI-E slots during a prolonged off-peak time. If this feature is set to Enabled, PCI-E
ASPM will be programmed after OPROM. If this feature is set to Disabled, the PCI-E
ASPM will be programmed before OPROM. The options are
Disabled
and Enabled.
VT-d
Select Enable to use Intel Virtualization Technology for Direct I/O VT-d support
by reporting
the I/O device assignments to the VMM (Virtual Machine Monitor) through the DMAR
ACPI tables. This feature offers fully-protected I/O resource sharing across Intel platforms,
providing greater reliability, security, and availability in networking and data-sharing. The
options are Disabled and
Enabled
.
SW Guard Extensions (SGX)
Select Enabled to activate Software Guard Extensions (SGX) support. The options are
Disabled, Enabled, and
Software Controlled
.
Select Owner EPOCH Input Type
There are three Owner EPOCH modes (each EPOCH is 64 bit). The options are
No Change
in Owner EPOCHs
, Change to New Random Owner EPOCHs, and Manual User Defined
Owner EPOCHs.
GNA Device (B0:D8:F0)
This feature enables the SA GNA device. The options are
Enabled
and Disabled.
X2APIC Opt Out
X2APIC, an extension of the XAPIC architecture, is designed to support 32-bit processor
addressability. X2APIC enhances the performance of interrupt delivery. The options are
Enabled and
Disabled
.
PCH-IO Configuration
PCI Express Configuration
DMI Link ASPM Control
Use this feature to set the Active State Power Management (ASPM) state on the System
Agent (SA) side of the DMI Link. The options are Disabled, L0s, L1, L0sL1, and
Auto
.
