Leon Brooks <[EMAIL PROTECTED]> wrote: >On Tuesday 15 October 2002 04:18 am, rowland wrote: >> On Monday 14 Oct 2002 11:23 am, J. Greenlees wrote: >> > Thierry Vignaud wrote: >> > > also, the 486sx (at least the first ones) did has a coprocessor; it >> > > was disabled but was still there (though i don't rember if it was >> > > missing pins or some silicon hack). > >> > actually, it was a bad bit of circuit if I remember correctly, the co >> > pro was completely un-usable because of it and the cpu was a lower price >> > for that reason. > >> if I remember rightly it was a batch of i486dx's that had this problem, >> the fpu just couldnt add up properly given the right set of circumstances >> and intel had to change all the affected chips! > >486sx was 486dx sans FPU and on a skinnier buss. To add an FPU, you bought a >487sx chip, which was really a 486dx that had failed some factory tests and >been packaged for the skinnier buss. For a little while, some motherboards >had an option to run with _only_ a 487sx, because they were significantly >cheaper than a 486sx and usually worked fine (sometimes faster, because a >486sx had no CPU cache at first but many of the 487sxes did). > >Cheers; Leon >
Its alway nice to know marketing to make a royal screw-up in product development seem like a great thing! Whats worse is when outrageous claims are made by marketing for products that don't exist. :)) -Ian __________________________________________________________________ The NEW Netscape 7.0 browser is now available. Upgrade now! http://channels.netscape.com/ns/browsers/download.jsp Get your own FREE, personal Netscape Mail account today at http://webmail.netscape.com/
