Sorry, I could not find how to use ProPic 2 to program AVR=B4s, which is in= our current project. However, Bond Peter_S-petbond1 , kindly informed= me about the PicProg V3 from http://www.crownhill.co.uk which can do both= AVR and PIC and verify at two defieable volatges. Regards /Morgan Octavio P Nogueira wrote: >ProPic 2 can do that. -snip- >> What I am lookung for is a low volyme production quality programmer. >> >> That is, it must be able to verify at one voltage higher than the= intended >working voltage, and then verify at lower voltage. >> >> i.e if target is 5V, then verify at 6 and 4 volts. >> >> Because our products are often low volume high reliability. >> >> And, we will be using both AVR and PIC. >>