Does anyone know of a change recently to the way 16C54-RC/P accepts programming? I used to buy these all the time and set the oscillator bit to XT and never had a problem but the last batch of 100 is causing me some problems. I use parallax programming tools and the setup bits are in the file so unless I accidently changed it to LP I'm pretty sure I programmmed and verified them correctly. After programming the 100 pieces I even recall putting in one from an earlier run and reverified it. I shipped them to the assembler and he indicated that none of them seemed to work. Had them sent back to me and they show that the device is set for LP as an oscillator type. Before I give up and say it's operator error I thought I'd ask the group if you knew of any change in the way things operate. The way I figure it ... in order of most likely to have occurred 1. I goofed and hit the 'O' key and advance the Oscillator tyoe to LP 2. My Parallax programmer let me down 3. Microchip changed something and things don't work the same as they used to. Just thought I ask before I rebuy parts. Thanks Larry ----------------------------------------------------------------------- Larry P. Thomas wa0gwa voice : 1 913 888-0282 Krell Technologies fax : 1 913 782-9359 8960 Bond pager : 1 816 989-HELP Overland Park, KS 66214-1764 e-mail : lpthomas@winning-edge.com www : http://www.krell.com -----------------------------------------------------------------------