well as it shows up in windows as a 'pic18f4550 family'' i'd presume its the original or compatible microchip bootloader.

schemetic is simple, leds on every port.....


Problem is most diagrams I find for it are for the 4550, so where do I connect a switch to bootload,do I need a switch to bootload?

Why is everything bootloader for the 4550?

seems anyone wanting to play with 2550's are getting the short end of the stick.....

how do I generate basic that compatible with a bootloader etc.

All this and other questions answered on the next episode of.........