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Utilities
Advanced Menu > PCIe Configuration > PCI Subsystem Settings > PCI Express GEN 2
Settings
Table 4-31: Advanced Menu > PCIe Configuration > PCI Subsystem Settings > PCIe GEN 2 Settings
Feature
Options
Description
Completion Timeout
•
Default
• Shorter
• Longer
• Disabled
In device Functions that support
Completion Timeout programmability,
allows system software to modify the
Completion Timeout value. 'Default'
50us to 50ms. If 'Shorter' is selected,
software will use shorter timeout
ranges supported by hardware. If
'Longer' is selected, software will use
longer timeout ranges
ARI Forwarding
• Enabled
• Disabled
If supported by hardware and set to
'Enabled', the Downstream Port
disables its traditional Device Number
field being 0 enforcement when
turning a Type1 Configuration
Request into a Type0 Configuration
Request, permitting access to
Extended Functions in an ARI Device
immediately below the Port
AtomicOp Requester Enable
• Enabled
• Disabled
If supported by hardware and set to
'Enabled', this function initiates
AtomicOp Requests only if Bus
Master Enable bit is in the Command
Register Set
AtomicOp Egress Blocking
• Enabled
• Disabled
If supported by hardware and set to
'Enabled', outbound AtomicOp
Requests via Egress Ports will be
blocked
IDO Request Enable
• Enabled
• 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
IDO Completion Enable
• Enabled
• 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
LTR Mechanism Enable
• Enabled
• Disabled
If supported by hardware and set to
'Enabled', this enables the Latency
Tolerance Reporting (LTR)
Mechanism
End-End TLP Prefix Blocking
• Enabled
• Disabled
If supported by hardware and set to
'Enabled', this function will block
forwarding of TLPs containing End-
End TLP Prefixes
PCI Express GEN2 Link Register
Settings
Info only
