> Subject: Re: [PCBUILD] Was there a 287XL math coprocessor? > > > > Oscar Viņas wrote: > > > Was there really a 287XL math chip? Where was it used? What is that > > XL suffix? > > > > > > Re: > > http://www.iso.port.ac.uk/~mike/interests/chistory/documents/comp1990.htm > > > > "Intel releases the 10-MHz 287XL and 287XTL (designed for laptop > > computers) math coprocessors. These coprocessors operate faster than > > previously released versions. [511.319]" > > > > Also see more detailed comments at: > > http://www.getty.net/texts/coproces.txt > > > > My comments: > > > > I had one on my first 286. It was notably undistinquished for speed > > increase. *;-) Not sure what the acronym stands for. I once saw an advertisement which interpreted it as "Extra Low" voltage (3.3 V vs. 5 V) ==> lower wattage ==> lower battery drain ==> "ideal" for laptops. (This was for a later series processor, however.) > > > > All the best, > > > > Russell Smith Boyd Ramsay [log in to unmask] The NOSPIN Group provides a monthly newsletter with great tips, information and ideas: NOSPIN-L, The NOSPIN Magazine Visit our web site to signup: http://nospin.com