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Express-HLE
Feature
Options
Description
Extended
Synch
Enabled
Disabled
If enabled the generation of PCI Express synchronization patterns is
allowed
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
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
Disable
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 restors PCI
Express device configurations on S3 resume. Warning: Enabling this
may cause issues with other hardware after S3 resume.
PEG Configuration (System Agent)
Submenu
PCH-PCIe Configuration
Submenu
7.3.7.1
PCI and PCIe > PEG Configuration (System Agent)
Feature
Options
Description
PEG Configuration (System Agen)
Info only
PEG0
Not Present
Display PEG0 present or not.
PEG0 – Gen X
Auto
Gen1
Gen2
Gen3
Configure PEG0 B0:D1:F0 Gen1-Gen3
PEG0 ASPM
Disabled
Auto
ASPM L0S
ASPM L1
ASPM L0SL1
Control ASPM support for the PEG Device. This has no effect if
PEG is not the currently active device.
Enable
PEG
Disabled
Enabled
Auto
Enable/Disable the PEG.
Detect Non-compliance Device
Disabled
Enable
Detect Non-Compliance PCI Express Device in PEG.
PEG Sampler Calibrate
Auto
Enabled
Disable
Enable/Disable PEG Sampler Calibrate\nAuto means Disabled
for SNB MB/DT, Enabled for IVB A0 B0.
Swing
Control
Half
Full
Perform PEG Swing Control, on IVB C0 and Later.
PEG Gen3 Equalization
Enabled
Disable
Perform PEG Gen3 Equalization steps.
Gen3 Eq Phase 2
Auto
Enabled
Disable
Perform PEG Gen3 Equalization Phase 2.
Gen3 Eq Preset Search
Enabled
Perform PEG Gen3 Preset Search algorithm, on IVB C0 and
Later.
