Yes. Read carefully the thread in the Harmony forum where you'll find the instructions and the latest version of the software.
So, I get the cable built, I add the dumping software, plug the cable between the Harmony Cart and cart to be dumped, plug the mini USB into my computer, run the software on the Harmony Cart, and then a bin. shows up on my computer?
You should be able to dump multicarts one game at a time.
Any limitations like with multicarts maybe or anything else?
If the multicart has switches, you just set them for each game and then you dump it just like single game carts. If it's like the Atari "32 in 1" cart, where the games are selected by power-cycling the console, you should be able to dump them in sequence by power-cycling the cart (i.e. by unplugging the usb cable which powers it) after each dump. In case of multicarts with a menu, you should at least be able to dump the menu itself. You can post it on the forum so that it can be disassembled and examamined to identify the memory locations used to select the games (the "hotspots"). Then you should be able to dump the games using the "custom" option in the utility.
I have an Harmony but haven't yet build the special cable, so I didn't tried out the dumping software myself.
I don't have any of those cartridge selectors, so I can't say for sure, but I hope the video game brain bad design is an isolated case.
I have a ROM Scanner but have been scared to use it after hearing about the Video Game Brain. It is still new in box.
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