Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.3 4.3bsd-beta 6/6/85; site ucbvax.BERKELEY.EDU Path: utzoo!decvax!ittatc!dcdwest!sdcsvax!ucbvax!PUCC.BITNET!D0430 From: D0430@PUCC.BITNET (Paul Lansky) Newsgroups: mod.computers.vax Subject: Submission for mod.computers.vax Message-ID: <8606281059.AA06168@ucbvax.Berkeley.EDU> Date: Thu, 26-Jun-86 19:52:00 EDT Article-I.D.: ucbvax.8606281059.AA06168 Posted: Thu Jun 26 19:52:00 1986 Date-Received: Sat, 28-Jun-86 12:57:30 EDT Sender: daemon@ucbvax.BERKELEY.EDU Organization: The ARPA Internet Lines: 16 Approved: info-vax@sri-kl.arpa Newsgroups: mod.computers.vax net.unix-wizards net.arch Subject: Q-bus/uvaxII question Date: Thursday, 26-Jun-86 19:51:58 EDT Userid: D0430 This a tricky question: on the MicrovaxII (or Qbus), under Ultrix, if you have a card which has Q-bus memory, but *not* PMI memory (e.g. it doesnt connect to the cpu by the PMI, but has its memory on the Q-bus) ---- how do you copy from PMI memory to Q-bus memory? I understand how ubasetup() works vis-a-vis PTE's and mapping DMA transfers etc, but I don't understand this issue at all. please reply here or to d0430@pucc , or ...princeton!winnie!paul. thanx Paul Lansky