Chapter 4: AMI BIOS
4-23
•
Current State
•
Error Code
PCIe/PCI/PnP Configuration
The following PCI information will be displayed:
PCI Bus Driver Version
PCI Devices Common Settings:
PCI PERR/SERR Support
Select Enabled for the system to log an error event when a PERR (PCI/PCI-E Parity
Error) or a SERR (System Error) occurs. The options are Enabled and
Disabled
.
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
.
SR-IOV (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 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
Bytes, and 256 Bytes.
Maximum Read Request
Select Auto for the BIOS to automatically set the maximum size for a read request
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
Use this item to set the Active State Power Management (ASPM) level for a PCI-E
device. Select Auto for the system BIOS to automatically set the ASPM level based
on the system configuration. Select Disabled to disable ASPM support. The options
are
Disabled
and Auto.
Warning
: Enabling ASPM support may cause some PCI-E devices to fail!
