National Instruments NI PCIe-836x 用户手册

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Appendix B
Common Questions
© National Instruments Corporation
B-3
added, and the device does not show up in the Windows Device Manager. 
The NI PXI-8360 will be present, along with its two bridges.
If the MXI-Express software is not installed, the PCI-to-PCI function will 
still be detected and work correctly, but the MXI-Express configuration 
device 
will be detected as an unknown device.
MXI-3 and MXI-4 to MXI-Express Upgrade Questions
What are some of the improvements from MXI-3 and MXI-4 to 
MXI-Express? 
MXI-Express incorporates the latest technology to include: 
Support for PCI Express slots. 
Improved error correction and handling for noisy or harsh 
environments. 
Improved mechanical connectivity.
Improved performance.
Support for two chassis from a single card in the host PC.
Lower cost.
Can a MXI-3, MXI-4, and MXI-Express board be used together 
directly? 
No. MXI-3, MXI-4, and MXI-Express boards use different cable 
connectors and cannot be connected together. Additionally, the 
board-to-board communication protocols differ. 
Can I use a MXI-3, MXI-4, and MXI-Express kit in the same 
multichassis PXI system? 
Yes. Different MXI kits can be intermixed to connect multiple PXI chassis 
together. As mentioned previously, an individual MXI-3 or MXI-4 board 
will not cable directly to a MXI-Express board. 
MXI-3 and MXI-4 systems required the use of a specific boot ordering. 
Is this a requirement with MXI-Express? 
Yes. The requirements of the PCI bus still mandate that you must power on 
secondary PXI chassis before powering on the host PC when using 
MXI-Express.
With MXI-3 and several chassis connected in series (daisy chain 
configuration), you were required to power on the chassis in order starting