©NationalInstruments Corporation ix 7344/7334Hardware User Manual
About This Manual
This manual describes the electrical and mechanicalaspects ofeach
controller in the 7344/7334 family and contains information concerning
their operation and programming. Unless otherwise noted, text applies to
all controllers in the 7344/7334 family.
The 7344/7334 family of controllers includes the following controllers:
•PCI-7344
•PXI-7344
•FW-7344
•PCI-7334
The 7344/7334 controllers are designed for PCI, PXI, and 1394 bus
computers.
Refert o the Glossary section of this manual for definitionsof selected
related terms.

Conventions

The followingconventions appear in this manual:
<> Angle bracketsthat containnumbers separated byan ellipsis represent a
rangeo f valuesassociated with a bit or signal name—for example,
DBIO<3..0>.
♦The ♦symbol indicates that the following textappl ieso nly to a specific
product, a specificoperating system, or a specific software version.
This icon denotes a note, which alerts you to important information.
This icon denotes a caution, which advises you of precautions to take to
avoidinjury, data loss, or a system crash.
italic Italictext denotes variables, emphasis, a cross reference, or an introduction
toa key concept. This font also denotes text that is a placeholder for a word
orvalue that you must supply.
monospace Textin this font denotes text or characters that you should enter from the
keyboard,sections of code, programming examples, and syntax examples.
Thisfont is also used for the proper names of disk drives, paths, directories,