project of AVR Atmega fusebit doctor (HVPP+HVSP).
http://diy.elektroda.eu/atmega-fusebit-doctor-hvpp/?lang=en
FUSEBITS: internal 1MHz clock, EESAVE enabled:
M8 L:0xE1 H:0xD1
M88,M168 L:0x62 H:0xD7 E:0xF9 // debug-> for Mega168 L:0x62 H:0xD7 E:0x00
M328 L:0x62 H:0xD1 E:0xFF