I'd have thought Fat32 but I don't know how fussy macs are about that.
Tried unetbootin.github.io got closer, but didn't work in the end. I think I am gonna give in and borrow a Win machine to do the bloody USB from there... Thanks for the tips everyone! It was worth a try
@frankohara started
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I'd have thought Fat32 but I don't know how fussy macs are about that.