Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!unido!mcshh!abqhh!tpki!kaiki!kai From: kai@kaiki.toppoint.de (Kai Voelcker) Newsgroups: comp.sys.ibm.pc.hardware Subject: Re: Qn: 80287 with a 386 Message-ID: Date: 3 Jun 91 08:15:58 GMT References: Organization: Toppoint Mailbox e.V. Kiel, W. Germany Lines: 16 ft0d+@andrew.cmu.edu (Feichin Tschang) writes: > Has anyone out there got any comments on using a 80287 math coprocessor with > a 386-25 or similar? I believe my system board accommodates a 287 and they'r > about 1/4 the price of 387's, so my question is whether or not the 287 improv > performance within a factor of using a 387 on a 386 system. > > Thanks for any replies. I have one of the early 386 boards, so I could only use a 287. But I took the IIT 2C87. This chip runs at full clock and is Soft compatible to 387. And this combination is up to factor 2 faster than a 287. ________________________________________________________________________ | Kai Voelcker, Kappelner Str 18, D-2300 Kiel 1, voice: +49 431 335605 | | kai@kaiki.toppoint.de interests: 386asm, c, pascal; OR algorithms | | > PLEASE NOTICE: I must PAY for incoming mail! ($ 0.25/KB) Thanks. < | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~