Supermicro X13DAI-T User Manual page 119

VMD Config for IOU 3
Enable/Disable VMD
Select Enable to enable the Intel VMD technology support for the root port specified.
The options are Disable and Enable.
CPU2 SLOT6 VMD (Available when the device is detected by the system and
"Enable/Disable VMD" above is set to Enable)
Select Enable to enable the Intel VMD technology support for the root port specified.
The options are Disable and Enable.
Hot Plug Capable (Available when the device is detected by the system and
"Enable/Disable VMD" above is set to Enable)
Select Enable to enable Hot Plug support for the root ports specified, which allows
you to change the devices on those root ports without shutting down the system.
The options are Disable and Enable.
IIO-PCIe Express Global Options
PCIe ASPM Support (Global)
Use this feature to disable the Active State Power Management (ASPM) support for all
PCIe root ports. The options are Disable and Auto.
PCIe Max Read Request Size
Use this feature to set the maximum read request size in PCI hierarchy. The options are
Auto, 128B, 256B, 512B, 1024B, 2048B, and 4096B.
Equalization Bypass To Highest Rate
Set this feature to Enable to reduce the link training time for PCIe 5.0 device by skipping
equalization of intermediate data rates. The options are Disable and Enable.
IIO eDPC Support (Available when your system supports this feature)
Use this feature to configure the setting for IIO Enhanced Downstream Port Containment
(eDPC) support for your system in an effort to improve the error containment capacity
within the PCIe subsystem when an uncorrected error is detected either at the root port
or at the switch downstream port. Select Disable to disable IIO eDPC support. Select
On Fatal Error to enable IIO eDPC support in your system when a fatal error occurs.
Select On Fatal and Non-Fatal Error to enable IIO eDPC support when an error, fatal
or non-fatal, has occurred. The options are Disable, On Fatal Error, and On Fatal and
Non-Fatal Errors.
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Chapter 4: UEFI BIOS