Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!husc6!necntc!ames!amdahl!ptsfa!well!perry From: perry@well.UUCP (Perry S. Kivolowitz) Newsgroups: comp.sys.amiga Subject: Re: 68020/68881 on A2000 Message-ID: <4603@well.UUCP> Date: Wed, 2-Dec-87 04:23:24 EST Article-I.D.: well.4603 Posted: Wed Dec 2 04:23:24 1987 Date-Received: Sat, 5-Dec-87 14:43:33 EST References: <1718@netsys.UUCP> <2856@cbmvax.UUCP> Reply-To: perry@well.UUCP (Perry S. Kivolowitz) Organization: Whole Earth 'Lectronic Link, Sausalito, CA Lines: 37 Keywords: 68020 amiga B2000 68881 32 bit speed In article <2856@cbmvax.UUCP> grr@cbmvax.UUCP (George Robbins) writes: >In article <1718@netsys.UUCP> bathkey@netsys.UUCP (Scott Bethke) writes: >> >> OK folks, I just got a 68020, with a 68881 (20 Mhz) for my B2000 >> (stuff deleted) >> it took sculpt 11.5 hours with the 68020 and 20 Mhz 68881. > >Did you invest in any of their "fast 32 bit memory"? A 68020 executing out >of 16-bit memory, or worse 16-bit chip memory isn't going to blow away the >world or anything... I might add that the static memory boards from CSA do infact greatly inhance the speed of their co-processor boards. The draw back is of course their price. These are their latest prices as I understand them: 1/2 meg board $999 2 meg board $3999 May I suggest that a good way to go is to get one CSA 32 bit memory board and then supplement your ram with large amounts of 16 bit ram. For example, get a half meg from CSA for $999 and an 8MI 8 megabyte board from ASDG for $2599. The ASDG Recoverable Ram Disk will use 16 bit memory first by the way giving you the best of both worlds. Another idea is to get the CBM 68020 board when available. That board can be populated with 2 megabytes of 32 ram on card appearing in the standard autoconfig space (correct me if I am wrong George). With 2 meg gone from the total of 8 allowable by the autoconfig standard an 8MI with 6 megabytes installed will autoconfig the remaining 6 meg. BTW: autoconfiguring a six meg memory board is an ASDG feature not part of the autoconfig standard. Thanks, Perry Kivolowitz ASDG Incorporated