Glossary
G-6
www.ni.com
M
m
meters
M
mega—(1) the standard metric prefix for 1 million or 10
6
, when used with
units of measure such as volts and hertz; (2) the prefix for 1,048,576, or 2
20
,
when used with B (byte) to quantify data or computer memory
MANTIS
a National Instruments custom ASIC that performs VXIbus arbitration and
manages interrupts and triggers
master
a functional part of a VME/VXIbus device that initiates data transfers on
the backplane. A transfer can be either a read or a write.
MBLT
eight-byte block transfers in which both the Address bus and the Data bus
are used to transfer data
MITE
a National Instruments custom ASIC, a sophisticated dual-channel DMA
controller that incorporates the Synchronous MXI and VME64 protocols to
achieve high-performance block transfer rates
MODID
module ID lines. Used in VXI to geographically locate boards and to
dynamically configure boards
MTBF
Mean Time Between Failure
N
NI-488.2 or
NI-488.2M
the National Instruments industry-standard software for controlling GPIB
instruments
NI-VISA
the National Instruments implementation of the VISA standard; an
interface-independent software that provides a unified programming
interface for VXI, GPIB, and serial instruments
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.