Good point, done!
Yes, simply unlock them with YarisSwap.
Good point, I've added a note to the original post about inserting a memory card.
Do you have the Content\0000000000000000 folder on the usb drive? if so i suspect the drive is already configured. I'm pretty sure newer versions...
Does the 256m card have a dip switch to reduce the size? you could try that and see if you can write to it then. Other than that i don't know...
As you have have a Jtag / RGH i think you can modify the fan speed with dashlaunch or freestyle dash if I remember correctly, older Xbox 360 do...
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