Dev looked at Maya. “You just diagnosed a short that didn’t exist in any netlist, any schematic, any continuity test. You diagnosed a ghost .”
But then she saw it. A tiny, almost invisible annotation in the boardview’s metadata, buried in a user-defined field labeled “REV_NOTES.” She’d scrolled past it a hundred times. This time, she stopped. nb8511-pcb-mb-v4 boardview
Dev zoomed into C442. “Here. The little bastard. The boardview says its positive terminal is net ‘+3V3_MEM,’ and its negative is ‘GND_REF.’ That’s fine. But when I meter it, there’s zero ohms between those nets. So either the boardview is wrong, or the physical board has a solder bridge somewhere.” Dev looked at Maya
“Show me the boardview again,” Maya said, leaning over Dev’s monitor. ” Maya said