Flashed using a 4gb sd card with slightly older release of the same buster os with dd, which itself boots fine on the same model B.

But when I attempt to boot using the latest legacy buster lite os (300 odd MB image) on a micro sd mounted via sd adapter there is no response from the pi. Red power light on but no boot activity.

Is it something to do with using a 32GB micro sd via sd adapter on the old pi 1 model B?

  • The absolute minimum size for an SD card is 8GB. Even a 16GB card is a bit small. The ideal size is 32GB.
    – Dougie
    Aug 5, 2023 at 19:20

1 Answer 1


There was two logical partitions written to sda1 as I mistakenly wasn't writing to top level sda. When I cleared these using fdisk and set the dd of to /dev/sda and not /dev/sda1 the card booted fine.

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