PCI Express GEN2 Device Register Settings

Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.

Advanced

PCI Express GEN2 Device Register Settings

In device Functions that

Completion Timeout

[Default]

support Completion Timeout

ARI Forwarding

[Disabled]

programmability, allows

Atomic0p Requester Enable

[Disabled]

system software to modify

Atomic0p Egress Blocking

[Disabled]

the Completion Timout value.

ID0 Request Enable

[Disabled]

‘Default’ 50us to 50ms.

ID0 Completion Enable

[Disabled]

If ‘Shorter’ is selected,

LTR Mechanism Enable

[Disabled]

software will use shorter

End-End TLP Prefix Blocking

[Disabled]

timeout ranges supported

 

 

by hardware.If ‘Longer’ is

PCI Express GEN2 Link Register

 

selected, software will use.

 

 

Target Link Speed

[Auto]

 

Clock Power Management

[Disabled]

 

 

Compliance SOS

[Disabled]

→←: Select Screen

Hardware Autonomous Width

[Enabled]

↑↓: Select Item

Hardware Autonomous Speed

[Enabled]

Enter: Select Item

 

 

+/-: Change Opt.

 

 

F1: General Help

 

 

F2: Previous Values

 

 

F5: Optimized Defaults

 

 

F10: Save & Exit

 

 

ESC: Exit

 

 

 

Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.

Completion Timeout [Default]

In device Functions that support Completion Timeout programmability, allows system software to modify the Completion Timout 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.

Configuration options: [Default] [Shorter] [Longer] [Disabled]

ARI Forwarding [Disabled]

If supported by hardware and set to ‘Enabled’, the Downstream Port disables its traditional Device Number field being 0 enforcement when turning a Type 1 Configuration Request into a Type 0 Configuration Request, permitting access to Extended Functions in ab ART Device immediately below the port. Configuration options: [Disabled] [Enabled]

Atomic0p Requester Enable [Disabled]

If supported by hardware and set to ‘Enabled’, this function initistes Atomc0p Requests only if Bus Master Enable bit is in the Command Register set. Configuration options: [Disabled] [Enabled]

Atomic0p Egress Blocking [Disabled]

If supported by hardware and set to ‘Enabled’, outbound Atomic0p Requests via Egress Ports will be blocked. Configuration options: [Disabled] [Enabled]

ID0 Request Enable [Disabled]

If supported by hardware and set to ‘Enabled’, this permits setting the number of ID-Based Ordering (ID0) bit (Attribute [2]) requests to be initiated. Configuration options: [Disabled] [Enabled]

5-26

Chapter 5: BIOS setup