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Use ctle, Use dfe, Qphy-pcie3 limit sets – Teledyne LeCroy QPHY-PCIE3 User Manual

Page 22: Error messages

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U

SE

CTLE

This variable allows the user to specify whether or not to apply Continuous Time Linear
Equalization (CTLE). This variable is set to Yes by default.

U

SE

DFE

This variable allows the user to specify whether or not to apply Decision Feedback Equalization
(DFE). This variable is set to Yes by default.

QPHY-PCIE3 Limit Sets

The default installation of QPHY-PCIE 3 contains only one limit set, called Compliance Limits.
In this script, limits are only used to convey Unit labels. The actual limits for each value tested
are encoded in or computed by the script and cannot be changed. The default limits used by
QPHY-PCIE3 are specified in PCI Express Card Electromechanical Specification, Rev. 3.0.

Error Messages

These messages may appear when using QualiPHY.

“Warning, no valid technology package has been found…” This message appears if none
of the QualiPHY components have been activated on the oscilloscope before launching the
QualiPHY application.

See Activate Components.

“No devices connected to the application or device not alive…” This message appears if
you are running QualiPHY from a remote PC, but a) you have not connected any oscilloscopes
to the installation, or b) the oscilloscopes are offline. See

Set Up Remote Control

to connect an

oscilloscope.

“This test requires Firmware version x.x.x.x or higher.” The test oscilloscope firmware
needs to be updated. Go to teledynelecroy.com/support/softwaredownload under Oscilloscope
Downloads > Firmware Update to download the latest firmware.

“An or better is required for .” The test cannot be run with this
oscilloscope. If using remote control, you may be able to choose another oscilloscope
connection.

“This test requires the option.” Besides the QualiPHY component, you must
purchase and activate the named software option on the oscilloscope.

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