Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!mit-eddie!uw-beaver!sumax!nwnexus!pilchuck!dataio!bright From: bright@Data-IO.COM (Walter Bright) Newsgroups: comp.os.msdos.programmer Subject: Re: Detecting an 80486 Message-ID: <2664@dataio.Data-IO.COM> Date: 22 Aug 90 23:15:35 GMT References: < <3839@altos86.Altos.COM> <1990Aug21.223404.19523@ddsw1.MCS.COM> Organization: Data I/O Corporation; Redmond, WA Lines: 7 I don't have an 80486 manual, but perhaps a more reliable way to detect a 486 would be to detect a difference between an 80487 and a 387. Since 486's always have a 487 on board, this could work. Are there any differences between a 387 and a 487? Are FWAITs *never* necessary with a 487?