A few things to try from a software engineer perspective
It's pretty hard to break a Pi/CM5 from ESD with casual handling on a desk. Shorts or bad power supplies I think are the most common cause of failure but would need input from a hardware engineer for failure modes here.
- Measure 3.3V - if it's not 3.3V then PMIC or related components have failed.
- Try to boot with rpiboot - see if you can at least get a BCM2712 bootrom USB descriptor - See also https://github.com/raspberrypi/usbboot/ ... hooting.md
- Try booting in a CM5IO board vs your intended carrier board.
- Carefully check the 100 pin connectors for damage and alignment
It's pretty hard to break a Pi/CM5 from ESD with casual handling on a desk. Shorts or bad power supplies I think are the most common cause of failure but would need input from a hardware engineer for failure modes here.
Statistics: Posted by timg236 — Fri Dec 19, 2025 12:51 pm