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Yamaha YM66 System Disk

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#85881

Yamaha YM66 System Disk | 9 November, 2020

I've picked up a Yamaha YM66S II machine, On powerup it displays the following:

"ERROR CODE-RAM DATA!" "INSERT SYSTEM DISK"

The machine looks in good condition, and I'm reasonably confident the RAM error is just a depleted primary battery on the control board. However the machine only came with a single floppy disk, which contains Some *.BRD, *.FDR, *,MCH files. No System Disk.

Does anyone have a copy of a system disk for this machine?

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#85885

Yamaha YM66 System Disk | 9 November, 2020

I don't know about here, but in YV100 the drive is on ATA PCMCIA flashdisk. Maybe it is underpressed / damaged? Or after replacing the battery on mainboard, you need to enter its parameters in the BIOS.

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