> As far as I know the PS+ should be able to program the osccal You'd think it could but AFAICT it can't. In all the threads, help and Microchip tickets I found no mention is made of PS+. That's not to say no mention is proof The PS+ / MPLAB respond quite differently to a 675 with erased OSCCAL and a "normal" 675. The normal 675 produces both the Configuration Warning and Calibration Memory Not Programmed messages, the erased PIC produces neither, no matter what you instruct the PS+ to do (so far) -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist