Roger:

Are you setting the calibration values?

>I'm having a very strange problem when programming a
>PIC14000. I have MPlab Ver 4.12.12 and a PICSTART Plus
>version 2.01.00 running on NT4.0 SP3.  I'm using an eprom
>version of the 14000 and when I program the chip even though
>it verifies correctly, the chip will operate correctly about
>every other time it is programmed.  I've tried another 14000
>and the same thing happens.  When  the chip doesn't work it
>sometimes is dead in the water when it powers up, but sometimes
>the program will partially run.  Then when I erase and reprogram
>with no changes to the code it will run perfectly.  Has anyone
>experienced this type of problem or have any ideas on what is happening?
>
>I'm about to start using some OTP chips but am leery of the same thing
>happening and I can't afford to lose half of my chips to this problem
>
>Any help is appreciated
>
>Roger