>I am fairly sure > that there are only few differences between a zIIP and a CP > millicode load. I don't know, one way or the other, if a zIIP can > field I/O interrupts or do I/O type instructions.
zIIPs can and do use I/O instructions. z/OS chooses to enable zIIPs to field I/O interrupts for QDIO devices, but not for other devices. Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
