De-Taitoifying a Taito TypeX4 Arcade Base Unit

In a little experiment involving a potentially dangerous BIOS flashing operation, I grabbed a copy of the latest version of the Supermicro X10SLQ-L Motherboard BIOS and flashed it to my unlocked Taito TypeX4 unit. Things happened. Flash goes the BIOS… After creating a BIOS update USB by using the wonderful Rufus formatting utility and then…