Boss MD-500
Current Firmware
1.05
Connect MD-500 via USB while holding the RATE/VALUE knob, then attach the USB cable and plug in the INPUT jack. The device mounts as a drive called 'BOSS_MD500'. Copy MD500ROM.BIN and ROMINFO.TXT from the extracted ZIP to the root of the drive. Eject the drive, disconnect USB, then press the EDIT button on the unit to execute the update. Do not power off during the update.
Just for reference. For complete and up-to-date instructions, always refer to the manufacturer's official firmware page.
Firmware pageopens in a new tab — boss.infoManufacturer page →opens in a new tab — boss.info
Manual →opens in a new tab — static.roland.com
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