Glossary
© National Instruments Corporation G-7 VXI-USB User Manual
NI-VXI The National Instruments bus interface software for VME/VXIbus
systems.
Non-Slot 0 device A device configured for installation in any slot in a VXIbus mainframe
other than Slot 0. Installing such a device into Slot 0 can damage the device,
the VXIbus backplane, or both.
P
PCI Peripheral Component Interconnect. The PCI bus is a high-performance
32-bit or 64-bit bus with multiplexed address and data lines.
R
register-based device A Servant-only device that supports VXIbus configuration registers.
Register-based devices are typically controlled by message-based devices
via device-dependent register reads and writes.
Resman The name of the National Instruments Resource Manager in NI-VXI bus
interface software. See Resource Manager.
Resource Manager A message-based Commander located at Logical Address 0, which
provides configuration management services such as address map
configuration, Commander and Servant mappings, and self-test and
diagnostic management.
retry An acknowledge by a destination that signifies that the cycle did not
complete and should be repeated.
RMS Root mean squared. See gRMS.
S
s seconds
slave A functional part of a VME/VXIbus device that detects data transfer cycles
initiated by a VMEbus master and responds to the transfers when the
address specifies one of the device’s registers.