Dell PowerEdge C5220 Hardware Owner's Manual page 28

Menu Fields
SR-IOV Global Enable
Maximum Payload Size
WHEA Support
28
Using the System Setup Program
Settings
Disable*
Enable
Auto*
128 Bytes
256 Bytes
Disable*
Enable
Comments
Disable/Enable BIOS
support for SR-IOV
devices. To enable this
feature, an add-on NIC
with SR-IOV support is
required.
Auto detects the PCIe
maximum payload size or
sets it to 128/256 Bytes.
Enable or disable Windows
Hardware Error
Architecture (WHEA)