National Instruments NI PXI-8360 用户手册

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Common Questions
This appendix lists common questions related to the use of the 
NI ExpressCard MXI controllers.
General Hardware
What are the board names of the NI ExpressCard MXI remote 
controllers? 
NI ExpressCard-8360: ExpressCard MXI Interface
NI PXI-8360: MXI Express Interface
NI PXIe-8360: MXI Express for PXI Express Interface
Is NI ExpressCard MXI compatible with NI MXI Express?
NI ExpressCard MXI and NI MXI Express use the same cable and 
PXI/cPCI module (the NI PXI-8360). You can use either an 
NI ExpressCard-8360 or an NI PCIe-8361/8362 to control a chassis with 
an NI PXI-8360 or NI PXIe-8360.
How many PXI bus segments can I connect together with 
NI ExpressCard MXI? 
The PCI specification allows up to 255 bus segments. NI ExpressCard MXI 
does not limit this number, but the maximum number of bus segments 
allowed can be BIOS or operating system dependent. For more 
information, refer to KnowledgeBase 3U7CI4D8 at 
ni.com
.
Notes
A computer has several internal PCI bus segments. The NI PXI-8360 adds 
2 PCI bus segments, and the NI PXIe-8360 adds up to 7 bus segments—4 bus segments on 
the backplane, and 3 bus segments internally on the NI PXIe-8360.
Due to the point-to-point nature of PCI Express, NI ExpressCard MXI supports only a star 
configuration. You must use traditional MXI for the daisy chain configuration.