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Chapter 4: AMI BIOS
IOU1 (II0 PCIe Port 3)
This item configures the PCI-E port Bifuraction setting for a PCI-E port specified
by the user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto.
No PCIe Port Active ECO (Engineer Change Order)
This feature provides a work-around solution when there is no active PCI device
detected by the BIOS. The options are PCU Squelch Exit Ignore Option and
Reset the SQ FLOP by CSR Option.
Socket 0 PcieD00F0 - Port 0/DMI
Link Speed
This item configures the link speed of a PCI-E port specified by the user. The
options are Auto, Gen 1 (Generation 1) (2.5 GT/s), and Gen 2 (Generation 2)
(5 GT/s).
PCI-E Port DeEmphasis
This item configures the De-Emphasis Control (LANKCON2 [6]) setting for this
computer. The options are -6.0 dB and -3.5 dB.
The following items will be display:
PCI-E Port Link Status
PCI-E Port Link Max
PCI-E Port Link Speed
PCI-E Port L0s Exit Latency
Use this item to set the length of time required for the port specified by the
user to complete the transition from L0s to L0. The default setting is 4uS - 8uS.
PCI-E Port L1 Exit Latency
Use this item to set the length of time required for the port specified by the user
to complete the transition from L1 to L0. The default setting is <1uS, 1uS - 2uS,
2uS - 4uS, 4uS - 8uS, 8uS - 16uS, 16uS - 32uS, 32uS - 64uS, and >64uS.
Fatal Err (Error) Over
Select Enable to defer fatal errors to the IIO core error logic for the port specified
by the user. The options are Disable and Enable.
Non-Fatal Err (Error) Over
Select Enable to defer non-fatal errors to the IIO core error logic for the port
specified by the user. The options are Disable and Enable.
4-11
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