Public opening planned for February 2027
HP 9000 Series 300
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The Workstation Age

HP 9000 Series 300

An HP technical workstation family based on Motorola processors.

MakerHewlett-Packard
Era1985–1991
TypeWorkstation
The story of this machine ↓

The Series 300 served technical computing applications. Family-level specifications cover several models; the installed configuration of an individual unit needs its own record.

Technical record

HP 9000 Series 300

MakerHewlett-Packard
Processor familyMotorola 68000 series
Operating systemHP-UX
Badge“HEWLETT·PACKARD 300” on the front louvre
Architecture

A Motorola 68000-family workstation running HP-UX, from the period when every serious manufacturer built its own Unix on its own silicon. The Series 300 was aimed at instrument control and engineering rather than graphics, and HP's own test equipment spoke to it over HP-IB, the instrumentation bus that became IEEE-488.

Record & provenance

The Series 300 served technical computing applications. Family-level specifications cover several models; the installed configuration of an individual unit needs its own record.

Reference: ATX-OBJ-HP-9000-SERIES-300

Source: collection inventory, photographs, and notes accompanying Serious Machines (Amir Husain, 2024).