No RISC No Fun OpenPA is an independent technical resource on HP 9000 and PA-RISC computers and operating systems. Information on PA-RISC is contained in more than 100 articles published on OpenPA since 1999 on HP 9000 computers, PA-RISC architecture and software ecosystem: Hardware: Technology covered by this site is based on HP PA-RISC architecture and processors from the 1980s to 2000s. Most of