Keysight PXIe Chassis Family User Guide 117
Changing and Restoring the M9018 PCIe Switch Fabric Configuration PCIe Link Configuration
Note that the PCIe Switch Fabric is undefined between the times when the
chassis is powered on and when the PCIe Reset signal occurs.
The position of the virtual switch depends on the selection you make using the
Configurator program. Because the virtual switch position is stored in chassis
non-volatile memory, the switch position persists through chassis power cycles.
Selecting a Link Configuration
Use Table 7 to determine the fabric link settings for a single chassis or for a
master chassis (a master chassis cascades from its peripheral slot(s) to one or
more secondary chassis). Use Table 8 for the fabric link settings for secondary
chassis.
Table 7 Single or Master Chassis Fabric Link Settings
(see next page for notes)
Changing the PCIe fabric to one that is incompatible with your
system controller can result in you no longer being able to
connect with your M9018 chassis from your controller.
Refer to
the Additional Fabric Information section below for information on
correcting this situation.
If you are using the M9018A/B in a multiple chassis arrangement,
make certain you have the latest chassis firmware (with fabric
links) installed. Chassis firmware updates are available at:
www.keysight.com/find/M9018A.
Single Chassis or Master Chassis Configuration 1x8 (Factory
Default) Link
1x8 (Gen
1) Link
2x8 Link 4x4 Link
External controller connected to an M9021A module
installed in slot 1.
See Note 3
M9036A or M9037A PCIe Embedded Controller in slot 1. See Note 1
See Note 2
Other non-Keysight Embedded Controller in slot 1. See Note 1 See Note 4
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