alan smith wrote:
> Tim, 
>    
>   From my experiance, you need to do at least ONE bulk erase with 5V, and then forever more, it will work fine with 3.3V.  Its hit and miss if you don't do the one time bulk erase, but
>   try that and see if it works for you.

I can confirm the same bizarre requirement. 16F876As. Would not verify using ICSP @ 3.3V.
After one bulk erase at 5V (all parts were tolerant of 5V) loaded fine, and bootloader
then worked correctly. Weird, but now I just put in the bootloader (ROMZap) @ 5V
and then all is well.

Robert

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