Bios - advanced – Kontron KTQ67-FLEX User Manual
Page 74

KTQ67 Users Guide
KTD-N0829-G Page 74
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
