SpecInfo Engineering Lab β€’ VESA eDP Standards & Matrix Database

eDP Pinout & Screen Matrix Checker

Inspect 30-Pin vs 40-Pin eDP connector signals, measure critical backlight & logic voltages with your multimeter, verify 60Hz to 144Hz+ upgrade feasibility, and browse OEM display panel specifications.

Connector Standard:
πŸ”

πŸ”Œ eDP Header Pinout Diagram

VESA Standard
Click pin to inspect multimeter test voltage Pitch: 0.5mm / 0.4mm IPEX
⚑ Pin 26: VBL_PWR / V_LED
11V - 20V DC

Main LED backlight power rail. If 0V measured with power plugged in, check motherboard backlight SMD fuse (F1/F2).

Signal Category
VBL (POWER)
Expected Behavior
Backlight Rail
πŸ“– In-Depth Backlight Repair Guide

Screen stays completely dark but image is visible under a flashlight? Read our detailed guide on locating and replacing blown SMD 0402/0603 backlight fuses.

Read Backlight Fuse Rework Guide β†’

πŸ”„ Refresh & Panel Upgrade Feasibility

Compatibility

Check if upgrading from your current panel to a higher refresh rate or higher resolution panel is electrically compatible with your laptop's harness.

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Select panels to calculate compatibility.

πŸ’» OEM Matrix Database

30+ panels