In my first 6303 based computer I used floppies for secondary storage. Even though it worked very well floppies are relatively small, fragile, slow and, above all, they are outdated. Today there are easier and more convenient ways of storing large amounts
An 8-bit IDE interface @ Retroleum
Hey all, once again asking how this works because I can't figure it out. Trying to get a XT-IDE CF card to work along side the working HDD in a Compaq Portable
8-bit Microcontrollers - 8-bit MCUs - EFM8 - Silicon Labs
GitHub - monotech/monotech_xt-cf-mini: Miniature 8-bit ISA CompactFlash Interface + Boot ROM
Compact Flash 128mb 256mb 512mb CF Card 1GB 2GB 4G Memory Card for CNC IPC Numerical Control Machine PCMCIA Adapter (2GB Compact Flash to PCMCIA) : Electronics
Compact Flash + 8255 interface card.
FC1306T Datasheet, Chip Controller.
ISA CompactFlash Adapter XT-IDE for 8-Bit PC, XT CF LITE 4.1, XTIDE Bootable
8 bit Parallel NAND Flash Datasheets – Mouser