118 Keysight PXIe Chassis Family User Guide
PCIe Link Configuration Changing and Restoring the M9018 PCIe Switch Fabric Configuration
Note 1:
- The 1x8 (Factory Default) fabric is the default fabric you will boot with when
the M9018A/B PCIe fabric base configuration reset button is pressed at boot.
- Although all PXI System Modules can function using the 1x8 (Factory Default)
fabric, it is not recommended for normal use with System Modules other than
the M9021A due to better performance with the other fabrics, and the
possibility of PXI Standard compliance issues with other system modules.
Note 2:
- The M9018A/B 2x8 fabric is recommended when using the Keysight M9036A
or M9037A Controller for performance reasons because x8 connectivity is
facilitated to the x8 slots of the M9018A/B chassis (slots 2, 6, 11, and 15).
Note 3:
- An M9021A will function with either the 1x8 (Factory Default) fabric, or the
1x8 (Gen1) fabric. However, using the 1x8 (Factory Default) fabric is capable
of better Gen2 PCIe performance and is preferred for all cases when the
M9018 chassis is NOT a secondary chassis cascaded from another M9018
Chassis peripheral slot.
Note 4:
- Some non-Keysight system modules and embedded controllers cannot
operate with the M9018A/B configured to the 2x8 fabric, and therefore, this
fabric is normally NOT recommended for non-Keysight system modules.
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