KTD-N0886-E
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).