Kontron KTQ77/Flex User Manual page 73

KTD-N0848-B
Function
Completion Timeout
ARI Forwarding
AtomicOp Requester Enable
AtomicOp Egress Blocking
IDO Request Enable
IDO Completion Enable
LTR Mechanism Enable
End-End TLP Prefix Blocking
Target Link Speed
Clock Power Management
Compliance SOS
Hardware Autonomous Width
Hardware Autonomous Speed
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Selection Description
In device Functions that support Completion
Default Timeout programmability, modify the
Completion Timeout range value is allowed.
Shorter
Default: 50us to 50ms.
Longer
Shorter: shorter ranges supported by HW.
Disabled
Longer: longer ranges implemented by SW.
If supported by HW and Enabled, the
Downstream Port disables its traditional
Device Number field being 0 enforcement
Disabled
when turning a Type1 Configuration Request
Enabled
into a Type0 Configuration Request, permitting
access to Extended Functions in an ARI
Device immediately below the port.
If supported by HW and Enabled, initiate
Disabled
AtomicOp Requests only if Bus Master Enable
Enabled
bit is in the Command Register Set.
If supported by HW and Enabled, outbound
Disabled
AtomicOp Requests via Egress Ports will be
Enabled
blocked.
If supported by HW and Enabled, permit
Disabled
setting the number of ID-Based Ordering
Enabled
(IDO) bit (Attribute[2]) requests to be initiated.
If supported by HW and Enabled, permit
Disabled
setting the number of ID-Based Ordering
Enabled
(IDO) bit (Attribute[2]) requests to be initiated.
If supported by HW and Enabled, enable the
Disabled
Latency Tolerance Reporting (LTR)
Enabled
Mechanism.
If supported by HW and Enabled, block
Disabled
forwarding of TLPs containing End-End TLP
Enabled
Prefixes.
If supported by HW and set to ´Force to 2.5
GT/s´ for Downstream Ports, this sets an
Auto
upper limit on link operational speed by
Force to 2.5 GT/s restricting the values advertised by the
Upstream component in its training
Force to 5.0 GT/s
sequences. When ´Auto´ is selected HW
initialized data will be used.
If supported by HW and Enabled, device is
permitted to use CLKREQ# signal for power
Disabled
management of Link clock in accordance to
Enabled
protocol defined in appropriate form factor
specification.
If supported by HW and Enabled, force
Disabled
LTSSM to send SKP Ordered Sets between
sequences when sending Compliance Pattern
Enabled
or Modified Compliance Pattern.
If supported by HW and Disabled, disable the
Enabled
HW ability to change link width except width
size reduction for the purpose of correcting
Disabled
unstable link operation.
If supported by HW and Disabled, disable the
Enabled
HW ability to change link speed except speed
rate reduction for the purpose of correcting
Disabled
unstable link operation.
BIOS - Advanced
KTQ77/Flex Users Guide