You must install new MPC 2000 XL OS before installing the drive. You can always order the proper 2000XL cards at MPCstuff. THIS DRIVE NEEDS TO HAVE OS V1.20 INSTALLED BEFORE THE DRIVE IS INSTALLED. You can order the OS V1.20 on floppy or zip disc on our website: mpcstuff You can also download it and put on a floppy yourself before installing the drive.
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