Kontron KTHM76-mITX - Manual (Page 122)

KTQM77 – KTHM76 Users Guide
KTD-N0850-F Page 122
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.
PCIe PEG Bifurcation
1 x16
2 x8
1 x8, 2 x4
“2 x8” and “1 x8, 2 x4” need Riser Card with
bifurcation functionality to work. Only supported
on KTQM77/mITX having PCB ID 01 or above.
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.
PCIe Gen3 RxCTLEp Setting
(Note1)
0-11, 12, 13-15
The range of the setting is (0-15). This setting
has to be specified based on platform design
and following the guideline.
BIOS - Chipset