Includes Over Voltage (OVP), Over Current (OCP), and Short Circuit Protection (SCP). Modification & Usage Tips
. Plugging it directly into a standard motherboard can cause permanent damage. Safety Protections:
"You’re wasting your time, Elias," said Sarah, leaning against the doorframe. She held a tablet, scrolling through a manifest of modern, surface-mount components. "That thing belongs in a museum, or a landfill. It’s a proprietary brick. You can’t even turn it on without the specific motherboard it was married to. The pinout is a nightmare."
The (also known as the Dell DA-2 series AC adapter) is a highly reliable external power brick originally designed for ultra-small form factor (USFF) desktops. Capable of delivering a robust 12V output at 18 Amps (220 Watts total) , it has become a staple hardware component for DIY electronics enthusiasts, crypto miners, and eGPU (external graphics card) builders.
216W (often labeled or rounded to 220W)
Fan spins, voltages appear on all rails.
DC current. All three are typically tied together to handle the 18A capacity (
Remote Ground / Sense (often connected to Pin 1 for startup) +12V DC Output 7 +12V DC Output 8 +12V DC Output Key Modification Notes
The secondary 6-pin connector (Pinout 2) is the master control center. Its Purple (5VSB), Green (PS_ON#), and Gray (PW-OK) wires are non-negotiable for proper operation. The main 20-pin connector only carries power rails. Dell D220p 01 Power Supply Pinout 2
SATA power connectors are used to power storage devices like hard drives and SSDs.
The external connector features 8 distinct pins arranged in a compact layout. If you choose to keep the original plastic plug intact, you can use the pin configuration below. Alternatively, if you cut the proprietary cable open to expose the bare wires, you can map them using their factory color-coding. Pin Number Wire Color Description Remote + Remote sense line / positive control signal Pin 2 Ground (-) Main DC negative return line Pin 3 Ground (-) Main DC negative return line Pin 4 Ground (-) Main DC negative return line Pin 5 Remote Ground (-) Remote control sense ground / enable trigger Pin 6 +12V Power Main DC positive output line Pin 7 +12V Power Main DC positive output line Pin 8 +12V Power Main DC positive output line
I assume you mean the Dell D220p‑01 laptop power adapter (barrel plug) — here’s the pinout for its 7.4×5.0 mm DC barrel with center pin (typical for Dell laptops):
Unlike standard ATX power supplies that turn on via a green wire shorted to ground, the D220P-01 uses a sense loop to detect when it is plugged into a motherboard. Out of the box, the unit sits in a low-power standby mode. Dell D220P 01 Power Supply Wiring Includes Over Voltage (OVP), Over Current (OCP), and
The Dell D220P-01 does not turn on merely by plugging it into the wall. It requires a trigger signal to activate the 12V12 cap V +12Vpositive 12 cap V (Pins 6, 7, 8): These pins carry the main 12V12 cap V
The fluorescent lights of the repair shop hummed in B-flat, a drone that Elias had tuned out years ago. His workspace was a chaotic mosaic of logic boards, solder splatters, and discarded heat sinks. But in the center lay the artifact.
: You must interface with the Blue wire (Remote Ground) and one of the Black wires (Ground) .
Includes built-in safeguards such as Over-Voltage Protection (OVP), Over-Current Protection (OCP), Short-Circuit Protection (SCP), and Over-Temperature Protection (OTP). Status Indicator: It’s a proprietary brick