--- tag: m0993 title: SD / SPI Flash brief: load or back up SPI Flash and SD author: shitcreek requires: HAS_SPI_FLASH, SDSUPPORT, MARLIN_DEV_MODE group: sdcard codes: [ M993, M994 ] notes: - Requires `HAS_SPI_FLASH`, `SDSUPPORT`, and `MARLIN_DEV_MODE`. --- `M993`: backup SPI Flash to SD `M994`: load a backup from SD to SPI Flash