Kontron MSM-LP Manual User Guide V106 - Manual (Page 42)

MSM-LP / BIOS Operation
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PCI Express Gen2 Settings
Feature Options Description
Completion Timeout
Default
Shorter
Longer
Disabled
In device Functions that support Completion Timeout
programmablitity, allows system software to modify the
Completion Timeout value.
ARI Forwarding
Disabled
Enabled
Enables or Disables ARI Forwarding.
AtomicOp Requester En
Disabled
Enabled
Enables or Disables AtomicOP Requests.
AtomicOp Egress Block
Disabled
Enabled
Enables or Disables AtomicOP Requests via Egress Block.
IDO Reuqest Enable
Disabled
Enabled If set to ‘Enabled’, this permits setting the number of
ID_Based Ordering (IDO) bit requests to be initiated.
IDO Completion Enable
Disabled
Enabled If set to ‘Enabled’, this permits setting the number of
ID_Based Ordering (IDO) bit requests to be initiated.
LTR Mechanism Enable
Disabled
Enabled If set to ‘Enabled’, this enables the Latency Tolernace
Reporting Mechanism.
End-End TLP Prefix B1
Disabled
Enabled If set to ‘Enabled’, this function will block forwarding of TLPs
containing End-End TLP prefixes.
Target Link Speed
Auto
Force to 2.5 GT/s
‘Force to 2.5 GT/s’ limits the maximum speed to GEN1 speed.
Selectable De-emphasis -3.5 dB If supported by hardware, this will control transmission de-