20
Extended Tag
The optional settings: [Disabled]; [Enabled].
When set as [Enabled] it will allow device to use 8-bit tag field as a requester.
No Snoop
Use this item to enable or disable PCI Express device No Snoop option.
The optional settings are: [Disabled]; [Enabled].
Maximum Payload
Use this item to set maximum payload of PCI Express device or allow system BIOS to select the
value.
The optional settings are: [Auto]; [128 Bytes]; [256 Bytes]; [512 Bytes]; [1024 Bytes]; [2048 Bytes];
[4096 Bytes].
Maximum Read Request
Use this item to set maximum read request size of PCI Express device or allow system BIOS to
select the value.
The optional settings are: [Auto]; [128 Bytes]; [256 Bytes]; [512 Bytes]; [1024 Bytes]; [2048 Bytes];
[4096 Bytes].
PCI Express Link Register Settings
ASPM Support
Use this item to set ASPM level.
The optional settings: [Disabled]; [Auto]; [Force L0s].
[Disabled]: Disables ASPM;
[Auto]: BIOS auto configure;
[Force L0s]: Force all links to L0s State.
Extended Synch
The optional settings: [Disabled]; [Enabled].
When set as [Enabled] it will allow generation of extended synchronization patterns.
Link Training Retry
Use this item to define number of retry attempts software will take to restrain the link if previous
training attempt was unsuccessful.
The optional settings are: [Disable]; [2]; [3]; [5].
Link Training Timeout (uS)
Use this item to define number of microseconds software will wait before polling
‘Link Training’ bit
in link status register. Value range from 10 to 1000 uS.
Unpopulated Links
In order to save power, software will disable unpopulated PCI Express links if this option set as
[Disable Link].
The optional settings are: [Keep Link ON]; [Disable Link].
PCI Express GEN2 Settings
Press [Enter] to make settings for the following PCI Express GEN2 Devices Settings
PCI Express GEN2 Device Register Settings
Completion Timeout
In device function that support completion timeout programmability, allows system software to
modify the completion timeout value.
The optional settings are: [Default]; [Shorter]; [Longer]; [Disabled].
[Default]: 50us to 50ms.
[Shorter]: software will use shorter timeout ranges supported by hardware.
[Longer]: software will use longer timeout ranges
ARI Forwarding
