Kontron KTQM87-mITX - Manual (Page 79)

KTD-N0886-A Page 77 BIOS - Advanced
KTQM87/mITX Users Guide
Function Selection Description
PEG0 – Gen X
Auto
Gen1
Gen2
Gen3
Configure PEG0 B0:D1:F0 Speed.
PEG1 – Gen X
Auto
Gen1
Gen2
Gen3
Configure PEG1 B0:D1:F1 Speed.
PEG2 – Gen X
Auto
Gen1
Gen2
Gen3
Configure PEG2 B0:D1:F2 Speed.
Always Enable PEG
Disabled
Enabled
Enable PEG.
PEG ASPM
Disabled
L0S
L1
L0S And L1
Auto
PEG ASPM Settings.
Program PCIe ASPM later than
Oprom
Disabled
Enabled
Enabled: PCIe ASPM will be programmed after
OpROM. Disabled: PCIe ASPM will be programmed
before OpROM
De-emphasis Control
-6 dB
-3.5 dB
DeEmphasis control for PEG.
Swing Control
Reduced
Half
Full Perform PEG Swing Control.
PEG Sample Calibrate
Disabled
Enabled
Auto
Enable/Disable PEG Sample Calibrate.
Gen3 Equalization
Disabled
Enabled
Perform PEG Gen3 Equalization steps.
PEG Gen3 Equalization Phase2
Disabled
Enabled
Enable/Disable PEG Gen3 Equalization Phase2.
Gen3 Root Port Preset 1,2,… 8,…11 Root Port Preset value for Gen3 Equalization.
Gen3 Endpoint Preset 0,1,… 7,…10 Endpoint Preset value for Gen3 Equalization.
Gen3 Endpoint Hint 0,1, 2,…10 Endpoint Hint value for Gen3 Equalization.
Gen3 Eq Preset Search
Disabled
Enabled
Perform PEG Gen3 SW Preset Search algorithm.
Always re-search Gen3 Eq
Preset Disabled
Enabled
Always re-search PEG Gen3 Preset even it has been
done once.
Allow PREST# GPIO Usage
Disabled
Enabled
Enable/Disable GPIO-based resets to PEG
endpoint(s) during margin search, if needed.
Preset Search Dwell Time 0,… 1000, …65535 PEG Gen3 Preset Search dwell time in [ms].
Timing Start Margin 4, … 15, …255
The starting value [4…255] for the backward
margin search.
Voltage Start Margin 4, … 20, …255
The starting value [4…255] for the backward
margin search.
Error Target 0, 1, …65535 The margin search error target value [1 … 65535].
PEG RxCEM Loopback Mode
Disabled
Enabled
Enable/Disable PEG RxCEM Loopback Mode.
PEG Gen3 RxCTLE Control 0, … 8, …255 PEG Gen3 RxCTLE for Bundle0(Lane0, Lane1).