Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!mimsy!chris From: chris@mimsy.UUCP (Chris Torek) Newsgroups: comp.unix.wizards Subject: Re: port to VAX 780 Message-ID: <4865@mimsy.UUCP> Date: Sat, 20-Dec-86 14:48:52 EST Article-I.D.: mimsy.4865 Posted: Sat Dec 20 14:48:52 1986 Date-Received: Sat, 20-Dec-86 22:37:37 EST References: <137@stcvax.UUCP> Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742 Lines: 21 In article <137@stcvax.UUCP>, mes@stcvax.UUCP (Marjorie Smith) writes: >We are porting 4.2 code from a VAX-11/750 to a VAX-11/780. >What do we need to be aware of? Normally, nothing at all. >I understand that the UNIBUS adapter works differently on the 780. >How does this affect drivers on the UNIBUS? The common code in vaxuba/uba.c attempts to hide all the differences. The only existing drivers that check the CPU type are the console TU58 cassette driver (only 750s have console TU58 cassettes) and the UDA50 driver, which depends on the CPU type mainly because the generic code needs some work. >Is this the only difference? No, but again, most of the differences are thoroughly hidden. -- In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7690) UUCP: seismo!mimsy!chris ARPA/CSNet: chris@mimsy.umd.edu