Path: utzoo!mnetor!uunet!lll-winken!csustan!polyslo!jeff From: jeff@polyslo.UUCP (Skippy The Wonder Hacker) Newsgroups: comp.arch Subject: Re: RISC floating point coprocessors Message-ID: <1913@polyslo.UUCP> Date: 17 Apr 88 23:09:31 GMT References: <2038@obiwan.mips.COM> <571@taux01.UUCP> Reply-To: jeff@polyslo.UUCP (Skippy The Wonder Hacker) Organization: Cal Poly State University -- San Luis Obispo Lines: 18 In article <571@taux01.UUCP> amos@taux01.UUCP (Amos Shapir) writes: >In article <2038@obiwan.mips.COM> mark@mips.COM (Mark G. Johnson) writes: >> 1. The IBM PC/RT uses a RISC processor and, I believe, a Motorola >> MC68881 for floating point coprocessor. > >No, it uses NSC's 32081 FPU chip. Actually you are both right. There are now three types of floating point for the RT: 1) FPA1 - uses 32081 2) FPA2 - uses weitek(I think) 3) New RT processors also have a 68881 on the cpu card Jeff Weinstein Computer Systems Lab Cal Poly State Univ jeff@polyslo.uucp ucbvax!voder!polyslo!jeff