Several research and development operating systems have been ported to PA-RISC between the late 1980s and late 1990s, many of them Mach microkernel-based.| www.openpa.net
Ports of several commercial operating systems including Windows NT and NetWare to PA-RISC had been attempted in the 1990s.| www.openpa.net
OpenPA is an independent information resource for HP PA-RISC based computers and technical architecture.| www.openpa.net