Thanks. I have put the Atmel 89 into the programmer, but while in the program it does not give that adapter as the one for the AT90S2313 IC. It shows a MCS-51 adapter for this chip with 4 different IC sockets. I have matched the Dip switch settings to the config that appears for that adapter, but it does not seem to read and write to the AT90S2313 AVR. Any help would be appreciated.