Supermicro X10DBT User Manual page 97

Chapter 4: AMI BIOS
SERR# Generation
Select Enabled to allow a PCI/PCI-E device to generate a System-Error (SERR)
number for a PCI Bus Signal Error Event. The options are Enabled and Disabled.
PCI AER (Advanced Error-Reporting) Support
Select Enabled to support Advanced Error-Reporting for onboard PCI devices. The
options are Disabled and Enabled.
Above 4G Decoding (Available if the system supports 64-bit PCI decoding)
Select Enabled to decode a PCI device that supports 64-bit in the space above 4G
Address. The options are Enabled and Disabled.
42-bit Address AOC
Select Enabled to enable 42-bit Address Add-On card for Nvidia Tesla support. The
options are Enabled and Disabled.
SR-IOV Support (Available if the system supports Single-Root
Virtualization)
Select Enabled for Single-Root IO Virtualization support. The options are Enabled
and Disabled.
Maximum Payload
Select Auto to allow the system BIOS to automatically set the maximum payload
value for a PCI-E device to enhance system performance. The options are Auto,
128 Bytes, 256 Bytes, 512 Bytes, 1024 Bytes, 2048 Bytes, and 4096 Bytes.
PCI AER (Advanced Error-Reporting) Support
Select Enabled to support Advanced Error-Reporting for onboard PCI devices. The
options are Disabled and Enabled.
Maximum Read Request
Select Auto to allow the system BIOS to automatically set the maximum Read
Request size for a PCI-E device to enhance system performance. The options are
Auto, 128 Bytes, 256 Bytes, 512 Bytes, 1024 Bytes, 2048 Bytes, and 4096 Bytes.
ASPM Support
This feature allows the user to set the Active State Power Management (ASPM)
level for a PCI-E device. Select Force L0s to force all PCI-E links to operate at L0s
state. Select Auto to allow the system BIOS to automatically set the ASPM level for
the system. Select Disabled to disable ASPM support. The options are Disabled,
Force L0s, and Auto.
Warning: Enabling ASPM support may cause some PCI-E devices to fail!
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