Apple first introduced external storage on cassette tape but later added an external floppy disc drive. The Apple II’s eight expansion slots on the motherboard were one of the most crucial features.

Apple II, II Plus, IIe and IIc Introduced in 1977, the Apple II came with 4K of RAM and hooked up to a TV and cassette tape recorder. A year later, a floppy disk was available. In 1979 and 1983 ...

[Oliver Schmidt] has been exploring how the Raspberry Pi Pico can serve in such a role for the classic Apple II. The talk was presented ... including a storage device, a Z80 CP/M card, and a ...