Check the listing for details. Korg Trinity System ROM Version 2.4.1 Operating System Disk Set (Latest SoloTRI). Condition: New. Listed at 15.99 USD. Newest System Version 2.4.1 (for SOLO-TRI Prophecy Board) - Set of two floppy disks System Version 2.4.1 is for use on any Trinity, except for units that have the MOSS option (V3) installed. Trinity owners with the new MOSS-TRI 6-voice Z1 synthesis board should download version 3.1.1. This System is the last update that is compatible with the SOLO-TRI Prophecy Board. To update your Trinity Workstation to OS 2.4.1: !!!!! - It is important to know that you risk severely damaging your Trinity unless the following instructions are followed precisely. Any additional button or key strokes during the update process will result in ROM failure. Note: This updating will erase all Programs, Combis and Sequence data in the Trinity. Be sure to back-up all data before proceeding! 1) Hold down the RESET and ENTER buttons while turning on the Trinity. The display will show "Please insert boot disk". 2) Insert System Boot Disk #1 of the 2.41 OS version into the drive. 3) New System Software installation will begin at this point. DO NOT TOUCH KEYBOARD OR INTERRUPT THE POWER WHILE THE SYSTEM IS BEING UPDATED! 4) During installation the following messages will appear: • "Now loading IPL" • "Now loading a SYSINFO3.KRG file" • "WARNING!! Don't touch me." • Now erasing ROM" • Now loading a V94.000 file" 5) Shortly, you will be prompted with "please change to a No.002 disk","V94.000 file has been successfully loaded". 6) Eject Disk 1 and insert System Boot Disk No. 2 into the drive. "Now loading a V94.001. file" will appear in the display. 7) When the following messages appear, installation has been completed successfully and the Trinity will restart automatically: • "Checking the system's check sum" • "System load was completed" 8) Reload your Programs, Combis and Sequences and enjoy your new System Software!!