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The Hewlett-Packard Nanoprocessor from HP (part number 1820-1692 [1]) was a small Control-Oriented Processor [2] microcontroller without an ALU nor the ability to add or subtract. [3] It was released in 1974 by HP and used in many HP products. [4] It was packaged in a 40-pin ceramic DIP that dissipated less than one watt. [5] Die of HP ...
The attached HP 98770A color display enabled the color graphics with its own CPU and separate power supply, a vector generator based on the AMD2900 bit-slice architecture, graphics memory with three planes of 32 KB each, the connection interface to the mainframe consists of a direct data bus attachment, and a light-pen logic.
HP PA-RISC 7300LC microprocessor HP 9000 C110 PA-RISC workstation booting Debian GNU/Linux. Precision Architecture RISC (PA-RISC) or Hewlett Packard Precision Architecture (HP/PA or simply HPPA), is a general purpose computer instruction set architecture (ISA) developed by Hewlett-Packard from the 1980s until the 2000s.
When a page fault was raised, the main CPU was halted in mid (memory) cycle while the fixer CPU would bring the page into memory and then allow the main CPU to continue, unaware of the page fault. [10] Later improvements in the Motorola 68010 processor obviated the need for the dual-processor design.
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The PA-8000 is a four-way superscalar microprocessor that executes instructions out-of-order and speculatively. [1] [4] These features were not found in previous PA-RISC implementations, making the PA-8000 the first PA-RISC CPU to break the tradition of using simple microarchitectures and high-clock rate implementation to attain performance.
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