Dell Mih61r Mb Front Panel Pinout May 2026

The front panel header on the MIH61R is a 9-pin (2×5, one missing) proprietary Dell header, not standard Intel HD Audio or Power LED.

Typical pin functions (top row = pins 1–5, bottom row = pins 6–9, no pin 10):

| Pin | Signal | Wire color (approx) | |-----|-------------|----------------------| | 1 | HDD LED + | Blue/White | | 2 | HDD LED - | White/Purple | | 3 | Power LED + | Green/Yellow | | 4 | Power LED - | White | | 5 | Power SW | Blue/White (or white)| | 6 | (Key – no pin)| | | 7 | Power SW | Brown/White (or gray)| | 8 | Reserved | (unused) | | 9 | +5V (FP) | Red | dell mih61r mb front panel pinout

⚠️ Note: Some Dell Service Manuals show pin 9 = +5V (for diagnostic LEDs / front USB activity), not used for power/reset.

This document describes the front-panel header (front panel I/O) pinout for the Dell MIH61R motherboard (MIH61R-MB) used in certain Dell desktop models. It covers pin assignments for power/reset LEDs and switches, speaker, USB, audio, and system panel jumper orientation, plus practical connection tips and troubleshooting notes. The front panel header on the MIH61R is

| Pin | Signal | Pin | Signal | |-----|----------------|-----|----------------| | 1 | HDD_LED (+) | 2 | HDD_LED (-) | | 3 | PWR_SW (+) | 4 | PWR_SW (-) | | 5 | RESET_SW (+) | 6 | RESET_SW (-) | | 7 | PWR_LED (+) | 8 | PWR_LED (-) | | 9 | NC (or GND) | 10 | GND | | 11 | NC | 12 | NC | | 13 | AUD_MIC_IN | 14 | AUD_GND | | 15 | AUD_FPOUT_R | 16 | AUD_RET_R | | 17 | AUD_FPOUT_L | 18 | AUD_RET_L | | 19 | AUD_MIC_BIAS | 20 | AUD_GND |

Note: Pins 13–20 are for AC’97 style front panel audio (not HD Audio). Dell did not use standard Intel HD Audio pinout here. Note : Pins 13–20 are for AC’97 style

The MIH61R is an LGA1155 motherboard (supporting Sandy Bridge and Ivy Bridge CPUs like the i5-2400, i7-2600, or i7-3770). It is old, but capable for a budget retro gaming PC or home server.

Pros:

Cons: