Kontron KTQ67-FLEX - Manual (Page 72)

KTQ67 Users Guide
KTD-N0829-G Page 72
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
Synchronization 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 (note1)
Defines number of Microseconds software
will wait before polling ´Link Training´ bit in
Link Status register. Value range from 1 to
100uS.
Unpopulated Links
Keep Link ON
Disable Link
In order to save power, software will disable
unpopulated PCI Express links, if this option
set to ´Disabled Link´.
Restore PCIe Registers
Enabled
Disabled
On non-PCI Express aware OS’s (Pre
Windows Vista) some devices may not be
correctly reinitialized after S3.
Enabling this restores PCI Express device
configurations on S3 resume. Warning:
Enabling this may cause issues with other
hardware after S3 resume.
Note1: Use either digit keys to enter value or +/- keys to increase/decrease value. Don’t use mix of digit
keys and +/- keys.
BIOS - Advanced