Bios - chipset – Kontron KTQ77-FLEX User Manual

Page 123

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KTQ77/Flex Users Guide

KTD-N0848-C Page 123



Note 1: Only present if Ivy Bridge CPU is used.

Function

Selection

Description

PEG0 – Gen X

Auto
GEN1
Gen2

Configure PEG0 B0:D1:F0
Gen1-Gen3

PEG0 ASPM

Disabled
Auto
ASPM L0s
ASPM L1
ASPM L0sL1

Control ASPM support for the PEG: Device 1
Function 0. This has no effect if PEG is not the
currently active device.

Enable PEG

Disabled
Enabled
Auto

To enable or disable the PEG.

Detect Non-Compliance Device

Disabled
Enabled

Detect Non-Compliance PCI Express Device in
PEG.

De-emphasis Control

-6 dB
-3.5 dB

Configuring the De-emphasis Control on PEG.

PEG Sampler Calibrate

Auto
Enabled
Disabled

Enable or disable PEG Sampler Calibrate.
Auto means Disabled for SNB MB/DT, Enabled
for IVB A0 B0.

Swing Control

Reduced
Half
Full

Perform PEG Swing Control, on IVB C0 and
Later.

Gen3 Equalization
(Note1)

Enabled
Disabled

Perform PEG Gen3 Equalization steps.

Gen3 Eq Phase 2
(Note1)

Auto
Enabled
Disabled

Perform PEG Gen3 Equalization phase 2.

Gen3 Eq Preset Search
(Note1)

Enabled
Disabled

Perform PEG Gen3 Preset Search algorithm, on
IVB Co or Later.

PEG Link Disabled

Enabled
Disabled

Enable or disable PCIe link disable mechanism
for additional power saving.

Fast PEG Init

Enabled
Disabled

Enable or disable Fast PEG Init, Some
optimization if not PEG devices present in cold
boot.

RxCEM Loop back

Enabled
Disabled

Enable or disable RxCEM Loop back.

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