Apple II 5.25 floppy disks specifications
Although 5.25 floppy disks are still available for purchase, there are different specifications, and not all of them work with the Disk II drive. For example, the more “modern” high-density (HD) disks will not work. The correct specification is:
- Double Density (DD)
- Single Side (SS) or Double Side (DS)
- 48 tpi
Whether you choose Single or Double Side, it doesn’t matter. But DS means that both sides of the disk can be used, and that’s why I always buy and use Double Side. But there’s a catch.
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