AVR

Software (Windows)

WinAVR

Thomas Fischl USBasp AVR programmer page

Zadig USB Drivers. Use libusb drivers for win32 and USBasp (Not WinUSB ones!!)

Fuse Settings for ATMEGA328 and ATMEGA168

Read Fuse settings

avrdude -c usbasp -p m168 -v

Low fuse internal clock 1 Mghz

0x62

Low fuse internal clock 8 Mghz

0xE2

Low fuse external clock 16 Mghz and 2 x 22pf Caps

0xFF  Warning! If no external clock attached the cpu will not run and cannot be programed until it         has an external clock

Example command set fuse and read fuse value

avrdude -c usbasp -p m168 -U lfuse:w:0xe2:m
avrdude -c usbasp -p m168 -U lfuse:r:-:h