The markings on a circuit board refer to two different technical specifications. When looking for a
, indicating the fire-retardant properties of the PCB material rather than a specific model number. For a "boardview" (a file used by repair technicians to locate components and traces), you typically need the specific design files for the carrier board you are using. Official Raspberry Pi CM4 IO Board cm4+94v0+boardview
If using a CM4 with eMMC, the carrier board's SD card slot is usually disabled. Safety Standard The markings on a circuit board refer to
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