User Manual

4-26
Chapter 4: BIOS Setup
IDO Completion Enable [Disabled]
If supported by hardware and set to
[Enabled]
,thispermitssettingthenumberofID-
BasedOrdering(IDO)bit(Attribute[2])requeststobeinitiated.
Congurationoptions:[Disabled][Enabled]
LTR Mechanism Enable [Disabled]
If supported by hardware and set to
[Enabled]
,thisenablestheLatencyTolerance
Reporting (LTR) Mechanism.
Congurationoptions:[Disabled][Enabled]
End-End TLP Prefix Blocking [Disabled]
If supported by hardware and set to
[Enabled]
,thisfunctionwillblockforwardingof
TLPscontainingEnd-EndTLPPrexes.
Congurationoptions:[Disabled][Enabled]
PCI Express GEN2 Link Register Settings
Target Link Speed [Auto]
If supported by hardware and set to
[Force to X.X GT/s]
,forDownstreamPorts,this
setsanupperlimitonLinkoperationalspeedbyrestrictingthevaluesadvertisedbythe
Upstream component in its training sequences. When
[Auto]
is selected HW initialized
data will be used.
Congurationoptions:[Disabled][Forceto2.5GT/s][Forceto5.0GT/s][Forceto8.0
GT/s][Forceto16.0GT/s][Forceto32.0GT/s]
Clock Power Management [Disabled]
If supported by hardware and set to
[Enabled]
,thedeviceispermittedtouse
CLKREQ#signalforpowermanagementofLinkclockinaccordancetoprotocol
denedinappropriateformfactorspecication.
Congurationoptions:[Disabled][Enabled]
Compliance SOS [Disabled]
If supported by hardware and set to
[Enabled]
,thiswillforceLTSSMtosendSKP
OrderedSetsbetweensequenceswhensendingCompliancePatternorModied
Compliance Pattern.
Congurationoptions:[Disabled][Enabled]
Hardware Autonomous Width [Enabled]
If supported by hardware and set to
[Disabled]
,thiswilldisablethehardware’sability
tochangelinkwidthexceptwidthsizereductionforthepurposeofcorrectingunstable
linkoperation.
Congurationoptions:[Disabled][Enabled]
Hardware Autonomous Speed [Enabled]
If supported by hardware and set to
[Disabled]
,thiswilldisablethehardware’sability
tochangelinkspeedexceptspeedratereductionforthepurposeofcorrectingunstable
linkoperation.
Congurationoptions:[Disabled][Enabled]