At 03:50 2001-05-24, you wrote: >Essentially there is a 512KB amd flash rom as opposed to the rom chip the 83 >uses which is a real rom. Somewhere (check the list for this and the t6a04 >pdf file) there was a pdf file on the flash chip they use. (Someone want to >point this out? I am just too lazy to look it up right now) I have the pdf on my ftp. ftp://alh.dhs.org/calculator/ti83/tech/ //Olle