I am using atmega 328pu instead of atmega328p-pu. I am trying to upload the boot loader using avr pocket programmer. Please let me know how to resolve this issue

I have changed signature from 0x1e 0×95 0x0F to 0x1e 0×95 0×14 relevant link given here

http://www.crash-bang.com/resource/bootload-atmega328/

I am using atmega 328pu instead of atmega328p-pu. I am trying to upload the bootloader using AVR pocket programmer.

I have changed signature from 0x1e 0×95 0x0F to 0x1e 0×95 0×14.

(Relevant link)

avrdude: initialization failed, rc=-1
         Double check connections and try again, or use -F to override
         this check.