Pci express settings, Relaxed ordering, Extended tag – IBASE IPPCXXB9-RE User Manual
Page 38: No snoop, Maximum payload, Maximum read request, Aspm support, Extended synch, Link training retry
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IPPCxxB9-RE User Manual
PCI Express Settings
Aptio Setup Utility
Main Advanced
Chipset Boot Security Save & Exit
PCI Express Device Register Settings
→ ←
Select Screen
↑↓Select Item
Enter: Select
+- Change Field
F1:
General Help
F2:
Previous Values
F3: Optimized Default
F4: Save ESC: Exit
Relaxed Ordering
Disabled
Extended Tag
Disabled
No Snoop
Enabled
Maximum Payload
Auto
Maximum Read Request
Auto
PCI Express Link Register Settings
ASPM Support
WARNING: Enabling ASPM may cause
some PCI-E devices to fail
Extended Synch
Link Training Retry
Link Training Timeout (uS)
Unpopulated Links
Disabled
Disabled
5
100
Keep Link ON
Relaxed Ordering
Enables or disables PCI Express Device Relaxed Ordering.
Extended Tag
If ENABLED allows device to use 8-bit Tag field as a requester.
No Snoop
Enables or disables PCI Express Device No Snoop option.
Maximum Payload
Set Maximum Payload of PCI Express Device or allow System BIOS to select the value.
Maximum Read Request
Set Maximum Read Request Size of PCI Express Device or allow System BIOS to
select the value.
ASPM Support
Set the ASPM Level: Force L0s
– Force all links to L0s State:
AUTO
– BIOS auto configure : DISABLE – Disables ASPM.
Extended Synch
If ENABLED allows generation of Extended Synchronization patterns.
Link Training Retry
Defines number of Retry Attempts software will take to retrain the link if previous
training attempt was unsuccessful.