Z80 Retro 18 - How SD Cards Work

An important note from knghtbrd You definitely gave enough warning about sda possibly being not your SD card especially on a desktop system but it can be your boot drive on a Raspberry Pi too. So a good rule of thumb before you go writing over anything in dev check whats mounted on your system. You can do that with this command: df -H If you see sdaANYTHING there dont run commands that overwrite it! Find out where your SD card is first and figure out how to modify the command appropriately. --- You can support this channel on Patreon! This video is part of a YouTube playlistseries: The github repo seen in this video: Related project hardware repos: A Hackaday page for Z80 Retro! projects: Related Wikipedia pages: Simplified SD card specification you want Part-1: rjhcoding.com website with some AVR C code that might also be useful in understanding the SD cards SPI protocol. Ben Eaters SPI interface video: Music used in this video Vibe Tracks Alternate was downloaded from the YouTube Audio Library: Z80 SDcard CPM homebrew retrocomputer,

#Cpm #Homebrew #Retrocomputer #Sdcard #Z80