You can use data-pip if it has it, problem is, if it looses parameters it looses machine software as well, and that can't be backed up. Original 5000 would have been on paper tape, then sent on 8 inch floppy! Problem with both those, tape readers are usually dead by now, and unless the dealer has been around for a long time, won't have the 8" floppy drive and board set. So, a lot of money to get software from okuma on more modern media, a new ram board since bubble memory is long gone, and a service call. The only things you can really do, keep the cabinet clean, and make sure all your fans are working.