National Instruments PCI-8331 - Manual (Page 36)

Appendix B Common Questions
© National Instruments Corporation B-5 MXI-4 Series User Manual
connected in series can be powered on in any order, except that you need
to ensure that the last component powered on is the host PC or the chassis
containing the host controller as previously mentioned.
For more details, refer to the Powering Up the MXI-4 System section in
Chapter 2, Hardware and Software Installation .
What is the benefit of Universal PCI support with MXI-4?
With Universal PCI support, MXI-4 now can be used in more types of PCI
and PCI-X slots.
Note PCI-X and 66 Mhz PCI buses maintain backwards compatibility with 33 Mhz PCI
boards like MXI-4 by slowing down the bus to 33 Mhz operation.
What is significant about improved error handling with MXI-4?
MXI-4 now offers the flexibility to correct for serial data corruption during
transmission in noisy or harsh environments. MXI-4 also gives greater
flexibility of use.
Table B-1. MXI-4 Bus Compatibility
Will the board connector
work in this type of slot?
Universal
MXI-4 boards
Traditional
MXI-3 boards
5 V PCI 33 Mhz yes yes
3.3 V PCI 33 MHz yes no
3.3 V PCI 66 MHz yes no
3.3 V PCI-X 66 MHz yes no
3.3 V PCI-X 100 MHz yes no
3.3 V PCI-X 133 MHz yes no