I need to program an ATTiny via ISP with a bootloader, and then rewrite the fuse settings to disable the reset pin functionality. The problem is that it appears to erase the flash, then write the fuse settings, then write the bootloader code. This means that if I set the fuse such that it disables …

ArduinoISP Fuses Only.

westfw November 10, 2012, 5:21am 6

I don't think that ArduinoISP will work with processors that have more than 128k of flash.
It also only supports AVRs that have "ISP" programming.

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