Path: utzoo!mnetor!uunet!lll-winken!lll-lcc!lll-tis!ames!amdahl!amdcad!tim
From: tim@amdcad.AMD.COM (Tim Olson)
Newsgroups: comp.arch
Subject: Re: RISC floating point coprocessors
Message-ID: <21207@amdcad.AMD.COM>
Date: 17 Apr 88 19:52:42 GMT
References: <2038@obiwan.mips.COM> <571@taux01.UUCP>
Reply-To: tim@amdcad.UUCP (Tim Olson)
Organization: Advanced Micro Devices
Lines: 13

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.

The earliest versions of the RT (NMOS processor) had the option of
software floating-point or the National chip.  The new RT (Faster, CMOS
processor) comes standard with the '881.

	-- Tim Olson
	Advanced Micro Devices
	(tim@amdcad.amd.com)