ADLINK M-342 - Manual (Page 60)

46 BIOS Setup
Maximum Payload
Set Maximum Payload of PCI Express Device or allow System
BIOS to select the value. Options: Auto, 128 Bytes, 256 Bytes,
512 Bytes, 1024 Bytes, 2048 Bytes, 4096 Bytes.
Maximum Read Request
Set Maximum Read Request Size of PCI Express Device or
allow System BIOS to select the value. Options: Auto, 128
Bytes, 256 Bytes, 512 Bytes, 1024 Bytes, 2048 Bytes, 4096
Bytes.
ASPM Support
Set the ASPM Level: Force L0s - Force all links to L0s State.
Options: Disabled, Auto, Force L0s.
Extended Synch
If Enabled allows generation of Extended Synchronization pat-
terns. Options: Disabled, Enabled.
Link Training Retry
Defines number of Retry Attempts software will take to retrain
the link if previous training attempt was unsuccessful. Options:
Disabled, 2, 3, 5.
Link Training Timeout (us)
Defines number of microseconds software will wait before poll-
ing 'Link Training' bit in Link Status register. Value range from 1
to 100 uS.
Unpopulated Links
In order to save power, software will disable unpopulated PCI
Express links, if this option set to 'disable Link'. Options: Keep
Link ON, Disable Link.