avr dragon

to reset the fuses (of an attiny85) use the hvsp mode (hv serial because there're too few pins to do parallel programming)

avrdude -c dragon_hvsp -p attiny85 -U lfuse:w:0x62:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m -P usb

connections:

avr dragon           mc
20                       4
19                       8
18                        1
17                        2

1                          5
2                          6
3                          7

with pins on the avr dragon numbered as
20  19
.
.
.
2    1

AND CONNECT ON THE DRAGON ITSELF jtag pin 2 to VCC (pin 6)

sources:
http://people.ece.cornell.edu/land/courses/ece4760/AtmelStuff/dragon.pdf