>If someone knows how to use this would ya give me a holler. >TIA >Bruce For Bruce and anybody else, the following works for me - S2BIN xxx.s19 /00 xxx.s19 is obviously your S19 file name, /00 means fill in the blanks with 00 (my choice). Or download from a EPROM Programmer Manufacturer their software, most of these will load any file format and save to any file format. Ross Myers