Dell D220p 01 Power Supply Pinout 2 Jun 2026

| Dell Pin | Dell Signal | -> | ATX Pin | ATX Signal | | :--- | :--- | :--- | :--- | :--- | | 1,2,15,16,17,19 | Ground | -> | 3,5,7,13,15,16,17 | Ground | | 3,4,5,20 | +5V | -> | 4,6,19,20 | +5V | | 9,10 | +12VA | -> | 10,11,12 | +12V | | 12,13,14 | +3.3V | -> | 1,2,11 | +3.3V | | 11 | 3.3V Sense | -> | (Not on ATX) | Leave unconnected OR tie to +3.3V | | 18 | PS_ON# (Green) | -> | 14 (Green) | PS_ON# | | 8 | PWR_OK (Gray) | -> | 8 (Gray) | PWR_OK | | 7 | +5VSB (Red/Black) | -> | 9 (Purple) | +5VSB | | 6 | +12VB | -> | Not used | (Drive rail only) |

| Symptom | Likely Cause | Fix | |---------|--------------|-----| | No power, fan doesn’t spin | PS_ON not shorted (pin 8) | Short green to black | | PSU shuts down after 1 sec | No load on +5V | Add 5V load (HDD/resistor) | | 3.3V reads 2.7V | Brown sense line open | Tie brown (pin 18) to any orange (+3.3V) | | PC restarts randomly | PW-OK (gray) unstable | Check caps; replace if bulging (common on D220P-01) | Dell D220p 01 Power Supply Pinout 2