Nintendo-Scene

Emu_Kidid of TehSkeen has released a USBGecko application called USB-Boot, which allows you to boot Gamecube games over USB. He has stated that this is an old project which he can only offer limited support for.

From the release notes:

USB-BOOT.
Run GC backups via USBGecko.

Usage:

Insert USBGecko into slot B and connect it to PC.

Load USB-BOOT.dol via your favorite method. 

Have a GC game in the drive.

Hit A when prompted.

When the screen asks, on the PC drag a ISO/GCM into
USB-BOOT.exe

Notes:
Speed is terrible but compatibility is pretty
good once it works

Download: USB-Boot

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