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Your me.bin is an update binary! You have to use an ME region for flashing it via fpt! Writing an update binary as a region would brick your machine.
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The command you used would write the file me.bin as a complete firmware, not a ME region thus beginning at 0x0 and overwriting the Descriptor region. This would brick your machine second time.
The correct command for flashing a ME region (if you had had one) with fptw64 would be fptw64 -ME -f me_region.bin -
The manual says your board has USB flashback:
I’m sorry, but you don’t understand what you’re doing and you’re trying really hard to brick your machine.
Take very good care of the dump you got via fptw64 -d spi.bin since you’re gonna need it for recovery if you continue this way.