This manual documents functionality for the MPE/iX 6.0 release,
as well as later releases, for HP 3000 Series 900 systems.
This manual documents a subset of the system-supplied intrinsics
available through the native mode of operation for MPE/iX on HP 3000
Series 900 computers. The intrinsics described here are
those that are particularly useful for the programmatic control
of asynchronous devices. An asynchronous device is a device which
can be configured as a terminal or serial printer and communicates
with the system in an asynchronous, serial manner, as described
in Chapter 1 “Introduction”
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 | NOTE: MPE/iX, Multiprogramming Executive with Integrated POSIX,
is the latest in a series of forward-compatible operating systems
for the HP 3000 line of computers. |
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In HP documentation and in talking with HP 3000 users, you
will encounter references to MPE XL, the direct predecessor of MPE/iX.
MPE/iX is a superset of MPE XL. All programs written for MPE XL
will run without change under MPE/iX. You can continue to use MPE
XL system documentation, although it may not refer to features added
to the operating system to support POSIX (for example, hierarchical
directories).
Finally, you may encounter references to MPE V, which
is the operating system for HP 3000s, not based on the
PA-RISC architecture. MPE V software can be run on the
PA-RISC HP 3000s (Series 900) in what is known
as compatibility mode.
