
3-13
Chapter 3: BIOS setup
Extended Tag [Enabled]
Whenenabled,thePCIdeviceusesan9-bittageldasrequester.
Congurationoptions:[Enabled][Disabled]
No Snoop [Enabled]
Congurationoptions:[Enabled][Disabled]
Maximum Payload [Auto]
SetmaximumpayloadofPCIExpressDevice.Congurationoptions:[Auto]
[128 Bytes] [256 Bytes] [512 bytes] [1024 Bytes] [2048 Bytes] [4096 Bytes]
Maximum Read Request [Auto]
SetmaximumreadrequestsizeofPCIExpressDevice.Conguration
options: [Auto] [128 Bytes] [256 Bytes] [512 bytes] [1024 Bytes] [2048 Bytes]
[4096 Bytes]
ASPM Support [Disabled]
Congurationoptions:[Auto][Disabled][ForceL0s]
Extended Synch [Disabled]
Congurationoptions:[Enabled][Disabled]
Link Training Retry [5]
Set number of retry attempts software will take to retrain the link if previous
trainingattemptwasunsuccesful.Congurationoptions:[Disabled][2][3][5]
Link Training Timeout (uS) [1000]
Set number of microseconds before recording Link Training bit in Link Status
register. Values range from 10 to 10000 uS.
Unpopulated Links [Keep Link ON]
Tosaveonpower,unusedPCIExpresslinkscanbedisabled.Conguration
options: [Keep Link ON] [Disable Link]
Restore PCIE Registers [Disabled]
Enable this option to correct issues with S3 with older operating systems.
Congurationoptions:[Enabled][Disabled]
PCI Express GEN 2 Settings
Completion Timeout [Default]
Congurationoptions:[Default][Shorter][Longer][Disabled]
ARI Forwarding [Disabled]
Congurationoptions:[Enabled][Disabled]
Atomic0p Requester Enable [Disabled]
Congurationoptions:[Enabled][Disabled]
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