sorry for jumping this 1 month old post up back,
but i just want to tell i tired use this GBA Multi-booter too (about 6 months ago),
unfortunately, from what i've found, there is no tool for windows for this
(except really old and outdated one that works with old printer port, and hard to work with, and also make problems
).
So the only way you can run the tool is under linux or Mac OS.
anyway, i made to myself a small "dev-kit" of all necessary files needed for running this tool,
i'm attaching it.
it's including also instructions, some schematic, and 2 GBA Multi-boot tools:
- MSMCcable-1.01 (arduino sketch type)
- usb-gba-multiboot (arduino leonardo "frameware flashing" type, see:
http://youtu.be/Zfmj_KPE_L4)
(can be found under "Other Booting Tool" folder)
i tired to do it in Oracle VM VirtualBox with "PClinux", and it didn't work, its because the drivers in the latest linux version cannot support the MSMCcable-1.01 (which using old libraries),
so i guess the best way is to try it out with older linux versions (linux versions from 2004~2003, might work) and then try to install it.
i hope i've helped you with this