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SUPERSERVER 5017P-TLN4F/TF User's Manual
Maximum Read Request
This feature selects the setting for the PCI Express maximum Read Request
size. The options are Auto, 128 Bytes, 256 Bytes, 512 Bytes, 1024 Bytes, 2048
Bytes, and 4096 Bytes.
ASPM Support
Set this item to the desired ASPM (Active State Power Management) level. The
options are Disabled, Auto and Force L0s.
Extended Synch
Select Enabled for Extended Synchronization support, which will extend the
same synchronization patterns for the PCI-E device. The options are Disabled
and Enabled.
Link Training Retry
This feature allows the user to decide how many attempts a software program
can make before time-out for the program. The default setting is 5. The options
are Disabled, 2, 3, and 5.
Link Training Timeout (US)
This feature allows the user to decide how many microseconds a software pro-
gram should wait before polling the 'Link Training' bit in the Link Status Register.
The range is between 10 to 1000. The default setting is 500.
Unpopulated Links
Select Disable Link to disable the unpopulated PCI-E links (connections) to save
power. The options are Keep Link ON and Disable.
PCI Express GEN 2 Settings
Completion Timeout
For device functions that support completion timeout programmability, this fea-
ture allows system software to modify the completion timeout value. If Default is
selected, the timeout value is 50us to 50ms. If Shorter is selected, the software
will use shorter timeout ranges supported by the hardware. If Longer is selected,
software will use longer ranges supported by the hardware. The options are
Default, Shorter, Longer, and Disabled.
ARI Forwarding (Available when supported by the hardware)
If set to Enabled, the downstream port disables it's traditional Device Number
eld (0 enforcement) when turning a Type1 Conguration Request into a Type0