Kontron KTA70M-mITX - Manual (Page 56)

KTD-N0861-B Page 49 BIOS - Advanced
KTA70M/mITX Users Guide
KTA70M/mITX Users Guide
Function Selection Description
Relaxed Ordering
Disabled
Enabled Enables or Disables PCI Express Device Relaxed
Ordering.
Extended Tag
Disabled
Enabled If Enabled allows Device to use 8-bit Tag field as a
requester.
No Snoop
Disabled
Enabled Enables or Disables PCI Express Device No Snoop
option.
Maximum Payload
Auto
128 Bytes
256 Bytes
512 Bytes
1024 Bytes
2048 Bytes
4096 Bytes
Set Maximum Payload of PCI Express Device or
allow System BIOS to select the value.
Maximum Read Request
Auto
128 Bytes
256 Bytes
512 Bytes
1024 Bytes
2048 Bytes
4096 Bytes
Set Maximum Read Request Size of PCI Express
Device or allow System BIOS to select the value.
ASPM Support
Disabled
Auto
Force L0s
Set the ASPM Level:
Force L0s - Force all links to L0s State.
Auto – BIOS auto configure
Disable – Disabled ASPM
Extended Synch
Disabled
Enabled If Enabled allows generation of Extended
Syncronization patterns.
Link Training Retry
Disabled
2
3
5
Defines number of Retry Attempts software will
take to retrain the link if previous training
attempt was unsuccessful.
Link Training Timeout (uS) 100
Defines number of Microseconds software will
wait before polling ´Link Training´ bit in Link
Status register. Value range from 10 to 1000uS.
Unpopulated Links
Keep Link ON
Disabled
In order to save power, software will disable
unpopulated PCI Express links, if this option set
to Disabled.