Memory settings – Teledyne LeCroy Sierra M122 User Manual User Manual
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Sierra M122 SAS/SATA Protocol Analyzer User Manual
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SAS/SATA Software Menus and Toolbars
Teledyne LeCroy
Figure 2.68: SAS: Setting Project Options
SAS vs. SATA: For the ALIGN Transmission Period section, SATA Dialog shows options 256
and 258, and does not show 2048 or 2049.
For Speed, SATA Dialog shows H1, D1 to H4, D4 and does not show I1, T1 to I4, T4.
SATA Dialog does not show MUX Setting button.
SATA dialog shows DevSlp min detection time field to enter the debouncer value.
Memory Settings
The Trace Memory Status section has the following fields.
Trigger Position
Pre‐Trigger defaults to 50%, which defines the percentage of data to capture before and
after the triggering event. You can change this percentage by dragging the slider.
Capture of the specified percentage of the data prior to the triggering event cannot be
guaranteed and may be 0. This can occur if the triggering event occurs before storing the
required amount of pre‐trigger event data. In such a case, the data display shows fewer
than the specified data points prior to the triggering event. For more detail, (see
)
Note:
Trigger Position only works when the triggering option is Pattern.
In certain cases, when one port is recording traffic and filling up the memory much faster
than another port, you might see traffic appearing only on one port for a while, and the