I asked: > > I just tried to program a 16C57-04/XP (old but straight from tube) > > but the PicStart+ gives a head of errors upon programming and > > it (the chip) does not seem to be programmed correctly. I have > > the latest MPLAB & firmware. I used to program these a few years > > ago with a PicStart 16B with no trouble at all. Any clues ? > > A second new chip gave identical results. Weird huh! Olin replied: >Try doing a blank test first. This will catch communication errors with >little chance of programming gobbledygook into your OTP parts. It might >also catch parts that aren't really blank. I did that on the second chip. It did report that the config word was not blank but that would be right for an XT part wouldn't it? >I'm assuming you've done the obvious, like set MPLAB for the right processor >and plugged the processor into the ZIF socket the right way. Yes and yes ! Regards... -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads