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4.
Use a MXI-Express (x1) cable to connect the MXI-Express host system to the Upstream
port of the first NI 9154 in the chain.
5.
Use a MXI-Express (x1) cable to connect the Downstream port of the first NI 9154 to the
Upstream port of the next NI 9154 in the chain.
Note
system configuration. For example, a PXI system with an NI PXI-8196
controller can support four chassis per chain. Different types of systems may
support more or fewer chassis per chain. For more information about how
different system configurations can affect the maximum number of chassis in a
chain, go to
6.
Power up all of the connected NI 9154 chassis.
7.
Power up the MXI-Express host system.
Note
options and supported host devices.
Caution
the host system is powered up. The BIOS and OS of the host system must
detect all bus segments on the chassis side in order to configure the PCI
hierarchy. Powering connected chassis up or down while the host system is
running can cause system hangs and data corruption.
Caution
Doing so can cause hangs or application errors. If a cable becomes unplugged,
plug it back in and reboot.
Configuring DIP Switches
All of the DIP switches are in the OFF position when the chassis is shipped from National
Instruments.
NO FPGA APP Switch
Push the NO FPGA APP switch to the ON position to prevent a LabVIEW FPGA application
from loading at startup. The NO FPGA APP switch overrides the chassis powerup options
described in the section on chassis powerup options. After startup you can download to the
FPGA from software regardless of switch position.
USER FPGA Switches
You can define the USER FPGA switches for your application. Use the LabVIEW FPGA
Module and NI-RIO software to define the USER FPGA switches to meet the needs of your
application. Refer to the LabVIEW Help for information about programming these switches.
2 | ni.com | NI 9154 User Manual
The maximum number of NI 9154 chassis in a chain depends on the
ni.com/info
and enter the Info Code
Refer to the MXI-Express (x1) Series User Manual for connectivity
All connected NI 9154 chassis must have power connected before
Do not remove MXI-Express (x1) cables while power is connected.
Figure 1. DIP Switches
915xchain
NO FPGA APP
USER FPGA1
USER FPGA2
USER FPGA3
.
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