Dell Mih61r — Mb Front Panel Pinout

You have a Dell OptiPlex 3010, 7010, or 390. The motherboard is the (often labeled CN-0Y8H8Y or similar). You decided to move this motherboard into a standard ATX case to save money, or perhaps you are trying to diagnose a power button failure.

Let's tear down the schematic, identify the pins, and get your machine booting. On most standard motherboards (Asus, MSI, Gigabyte), the front panel header is a block of 9 pins (missing one for keying). Dell, however, uses a 10-pin or 12-pin header layout that redefines everything. Dell Mih61r Mb Front Panel Pinout

On the Dell MH61R, the power switch circuit is on and Pin 7 (GND) . You have a Dell OptiPlex 3010, 7010, or 390

There isn't one. Dell does not route a reset button to the front panel header on the MH61R. If you want a reset button, you must short two specific pins on the super I/O chip—which is not recommended for beginners. The "Dell Trap" Explained Why does your standard case power switch not work? Let's tear down the schematic, identify the pins,

You plugged in the standard Intel front panel header connector. You pressed the power button. Nothing happened.

On the MH61R, look for a header labeled or simply FRONT PANEL . It is located near the bottom right edge of the board, usually just above the SATA ports.

If you are reading this, you have likely just experienced a specific flavor of PC building frustration.