Case 1. XP-60 use FLASH ROM in the early lots (S/N from Z**0100 to Z**1099).
These following that, how to update FLASH ROM.
Required item: two 2HD FDs for update of XP-60. XP-60 Ver. UP DISK SET (PNO. 17048904).
Method:
1.1. Load DISK 1 into the disk drive.
1.2. Power on.
1.3. LCD Backlight on, and display shows nothing in a few seconds.
1.4. Display shows "Now Erasing Flash ROM".(for about 30 seconds)
1.5. Display shows "Now Writing Flash ROM". LED of Disk drive lighting.(for about 40 seconds)
1.6. Display shows "Please Insert The 2nd Disk". LED of STOP/PLAY lighting orange.
1.7. Pull out DISK 1, then load DISK 2.
1.8. Display shows "Now Writing Flash ROM". LED of Disk drive lighting.(for about 40 seconds)
1.9. Display shows "Flash ROM Has Been Successfully Updated". LED of STOP/PLAY lighting green.
1.10. Pull out DISK 2, then power off.
NOTE : When display shows error message, or any LED light red, check IC7 and IC10 on main board. (solder not complete)
NOTE : When update program ROM, the Bender & Modulation must be readjusted. For details, refer to the [Bender & Modulation Adjust] item in the test mode. (p.20)
Case 2. When updating the programmed mask ROM from LOT 11 onwards (S/N Z**1100-), replace the MASK ROM (01564056) or MAIN BOARD ASSY (71018956).
(Roland XP-60 Service Notes)