Kontron KTQ77/Flex User Manual page 123

KTD-N0848-B
Function
PEG0 – Gen X
PEG0 ASPM
Enable PEG
Detect Non-Compliance Device
De-emphasis Control
PEG Sampler Calibrate
Swing Control
Gen3 Equalization
(Note1)
Gen3 Eq Phase 2
(Note1)
Gen3 Eq Preset Search
(Note1)
PEG Link Disabled
Fast PEG Init
RxCEM Loop back
Note 1: Only present if Ivy Bridge CPU is used.
Page 123
Selection Description
Auto
Configure PEG0 B0:D1:F0
GEN1
Gen1-Gen3
Gen2
Disabled
Auto
Control ASPM support for the PEG: Device 1
ASPM L0s Function 0. This has no effect if PEG is not the
currently active device.
ASPM L1
ASPM L0sL1
Disabled
Enabled To enable or disable the PEG.
Auto
Disabled
Detect Non-Compliance PCI Express Device in
PEG.
Enabled
-6 dB
Configuring the De-emphasis Control on PEG.
-3.5 dB
Auto
Enable or disable PEG Sampler Calibrate.
Enabled
Auto means Disabled for SNB MB/DT, Enabled
for IVB A0 B0.
Disabled
Reduced
Perform PEG Swing Control, on IVB C0 and
Half
Later.
Full
Enabled
Perform PEG Gen3 Equalization steps.
Disabled
Auto
Enabled Perform PEG Gen3 Equalization phase 2.
Disabled
Enabled
Perform PEG Gen3 Preset Search algorithm, on
IVB Co or Later.
Disabled
Enabled
Enable or disable PCIe link disable mechanism
for additional power saving.
Disabled
Enable or disable Fast PEG Init, Some
Enabled
optimization if not PEG devices present in cold
Disabled
boot.
Enabled
Enable or disable RxCEM Loop back.
Disabled
BIOS - Chipset
KTQ77/Flex Users Guide