Peter, > Are you verifying them in 9 seconds, or programming a blank EPROM? I am programming a blank EPROM in 9 seconds. Add another 2-3 seconds for verifying EPROM to the buffer. >So, if you erase the EPROM, verify that > it's erased, and then program - it'll take 9 seconds for a 32 kByte > BIN file? 9 seconds for programming, a couple more for verifying. Tim