Bios - advanced – Kontron KTQ67-FLEX MED User Manual

Page 67

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KTQ67/Flex -Medical Users Guide

KTD-N0849-D Page 67

Function

Selection

Description

Completion Timeout

Default
Shorter
Longer
Disabled

In device Functions that support Completion
Timeout programmability, modify the
Completion Timeout range value is allowed.
Default: 50us to 50ms.
Shorter: shorter ranges supported by HW.
Longer: longer ranges implemented by SW.

ARI Forwarding

Disabled
Enabled

If supported by HW and 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

Disabled
Enabled

If supported by HW and Enabled, initiate
AtomicOp Requests only if Bus Master Enable
bit is in the Command Register Set.

AtomicOp Egress Blocking

Disabled
Enabled

If supported by HW and Enabled, outbound
AtomicOp Requests via Egress Ports will be
blocked.

IDO Request Enable

Disabled
Enabled

If supported by HW and Enabled, permit
setting the number of ID-Based Ordering
(IDO) bit (Attribute[2]) requests to be initiated.

IDO Completion Enable

Disabled
Enabled

If supported by HW and Enabled, permit
setting the number of ID-Based Ordering
(IDO) bit (Attribute[2]) requests to be initiated.

LTR Mechanism Enable

Disabled
Enabled

If supported by HW and Enabled, enable the
Latency Tolerance Reporting (LTR)
Mechanism.

End-End TLP Prefix Blocking

Disabled
Enabled

If supported by HW and Enabled, block
forwarding of TLPs containing End-End TLP
Prefixes.

Target Link Speed

Auto
Force to 2.5 GT/s
Force to 5.0 GT/s

If supported by HW and set to ´Force to 2.5
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.

Clock Power Management

Disabled
Enabled

If supported by HW and Enabled, device is
permitted to use CLKREQ# signal for power
management of Link clock in accordance to
protocol defined in appropriate form factor
specification.

Compliance SOS

Disabled
Enabled

If supported by HW and Enabled, force
LTSSM to send SKP Ordered Sets between
sequences when sending Compliance Pattern
or Modified Compliance Pattern.

Hardware Autonomous Width

Enabled
Disabled

If supported by HW and Disabled, disable the
HW ability to change link width except width
size reduction for the purpose of correcting
unstable link operation.

Hardware Autonomous Speed

Enabled
Disabled

If supported by HW and Disabled, disable the
HW ability to change link speed except speed
rate reduction for the purpose of correcting
unstable link operation.

BIOS - Advanced

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