Avalue ECM-KA - Manual (Page 43)

ECM-KA User’s Manual
ECM-KA User’s Manual 43
Maximum Payload
Auto[Default]
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[Default]
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[Default]
Auto
Force L0s
Set ASPM Level: Force L0s – Force all links
L0s State : AUTO – BIOS auto configure :
DISABLE – Disables ASPM.
Extended Synch
Disabled[Default]
Enabled
If ENABLED allows generation of Extended
Synchronization patterns.
Link Training Retry
Disabled
2
3
5[Default]
Defines number of Retry Attempts software
will take to retrain the link if previous training
attempt was unsuccessful.
Link Training Timeout (uS)
10-10000
100[Default]
Defines number of Microseconds software will
wait before polling ‘Link Training’ bit in Link
Status register. Value range from 10 to 10000
uS.
Unpopulated Links
Keep Link ON[Default]
Disabled
In order to save power, software will disable
unpopulated PCI Express links, if this option
set to ‘Disable Link’.
Restore PCIE Registers
Disabled[Default],
Enabled
On non-PCI Express aware OS ’s (Pre
Windows Vista) some devices may not be
correctly reinitialized after S3. Enabling this
restors PCI Express device configurations on
S3 resume. Warning: Enabling this may cause
issues with other hardware after S3 resume.