Typically 0.8V to 1.2V measured at the chokes (coils) surrounding the CPU socket. PCH (Chipset): Look for 1.05V or 1.1V near the heatsink. 🔌 Step 3: Proprietary Dell Pinouts
: Often found on sites like DeviceDB or Badcaps . dell e93839 motherboard schematic high quality better
—why Rail 3.3V was flatlining when the board looked pristine. Typically 0