Pci express settings – Kontron MSM-LP Manual User Guide V106 User Manual

Page 40

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MSM-LP / BIOS Operation




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36

PCI Express Settings

Feature

Options

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

4096 Bytes

Set Maximum Payload of PCI Express Device or allow System
BIOS to select the value.

Maximum Read Request

Auto
128 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 LOs

Force LOs: Force all Links to LOs State
Auto: BIOS Auto function
Disabled: Disable ASPM

Extended Synch

Disabled
Enabled

If Enabled allows generation of Extended Synchronization
patterns.

Link Training Retry

Disabled
2
3

Defines number of Retry Attempts software will take to
retrain the link if previous training attempt was
unsuccessful.

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