Path: utzoo!attcan!uunet!super!udel!princeton!njin!rutgers!bellcore!faline!thumper!ulysses!hector!eric From: eric@hector.UUCP (Eric Lavitsky) Newsgroups: comp.sys.amiga.tech Subject: Re: Hopalong Message-ID: <10589@ulysses.homer.nj.att.com> Date: 9 Sep 88 19:29:28 GMT References: <2581@sugar.uu.net> <4957@netnews.upenn.edu> <7004@well.UUCP> <4644@cbmvax.UUCP> Sender: netnews@ulysses.homer.nj.att.com Reply-To: eric@hector.UUCP (Eric Lavitsky) Organization: AT&T Bell Laboratories Lines: 30 In article <4644@cbmvax.UUCP> grr@cbmvax.UUCP (George Robbins) writes: >In article <7004@well.UUCP> ewhac@well.UUCP (Leo 'Bols Ewhac' Schwab) writes: >> (Leo describes his difficulties with his '020/A1000/2M combo) > >Well, it's hard to tell without looking at the hardware involved, but >I suspect that the Hurricane card isn't doing quite enough kludgery >to make everything work in your expanded configuration. > >The Amiga hardware generally doesn't decode the FC (function code) lines >emitted by the processor - it just sees a single flat 16Mbyte address >space. With a 68020 various function codes are emitted during the >coprocessor interface protocol that *do not* correspond to normal >external memory cycles. This can cause a conflict if a memory card >reponds or bus buffers are enabled. Well, none of the ASDG products listen to function codes, so it must have something to do with buffering on the bus? This is certainly not the first time I've heard of problems with the Ronin board not working correctly with other expansion products. Has anyone had luck getting it working with expansion memory on an A1000 ??? >George Robbins - now working for, uucp: {uunet|ihnp4|rutgers}!cbmvax!grr -Eric ARPA: eric@topaz.rutgers.edu or eric@ulysses.att.com UUCP: {att,ucbvax}!ulysses!eric or {wherever!}rutgers!topaz!eric SNAIL: 34 Maplehurst Ln, Piscataway, NJ 08854 "To err is human; To really f*ck up requires the root password."