PA-RISC Processors

PA-8200 (PCX-U+)


Shortly after the introduction of the PA-8000 the design team noted several aspects of this chip for improvement in the successor, which were corrected with the PA-8200 in 1997.

The new chip should offer improved performace, compatibility with existing applications and short time to market, with the whole design heavily leveraged from the existing PA-8000 foundation. The availability of new 4 Mb SRAMs with faster access times allowed for an increased CPU clock speed and bigger caches. Smaller changes include an increase to the BHT and TLB as high benefit, low risk improvements.


Used in


  1. Four-Way Superscalar PA-RISC Processors (PDF, 190 KB) Anne P. Scott et al (August 1997: Hewlett-Packard Journal)
  2. HP Pumps Up PA-8x00 Family ( mirror) Linley Gwennap (October 1994: Microprocessor Report, Volume 10 Number 14). [Article reprint for]
  3. HP's Latest PA-RISC Microprocessor Evolution Enables 50 Percent Application Performance Boost Hewlett-Packard (October 1996: HP press release). [Article mirror for]

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