Utilities
43
LEC-BTS
Advanced Menu > PCIe Configuration > PCI Subsystem Settings > PCI Express Settings
Table 4-30: Advanced Menu > PCIe Configuration > PCI Subsystem Settings > PCIe Settings
Feature
Options
Description
Relaxed Ordering
• Enabled
• Disabled
Enables or Disables PCI Express
device relaxed ordering.
Extended Tag
• Enabled
• Disabled
If Enabled, allows device to use 8-bit
tag field as a requester.
No Snoop
•
Enabled
• Disabled
Enables or Disables PCI Express
device No Snoop option.
Maximum Payload
Auto
Set maximum payload of PCI Express
device or allow system BIOS to select
the value.
Maximum Read Request
Auto
Set Maximum Read Request Size of
PCI Express Device or allow System
BIOS to select the value
PCI Express Link Register Settings
Info only
ASPM Support
•
Disabled
• Auto
• Force L0s
• Set the ASPM Level:
• DISABLE - Disables ASPM
• AUTO - BIOS auto configure
• Force L0s - Force all links to L0s
State
Extended Synch
• Enabled
• Disabled
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)
1000
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
• Disabled
In order to save power, software will
disable unpopulated PCI Express
links, if this option set to 'Disable 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
