The Dell MIH61R motherboard, often found in the Inspiron 620 and Vostro 260, uses a proprietary front panel header that differs from standard ATX layouts. If you are moving this board to a new case, understanding the specific pinout is essential for connecting the power button and status LEDs. Dell MIH61R Front Panel Pinout Guide
Header 3: USB Ports (JUSB1, JUSB2)
This follows the standard 9-pin keyed layout found on most motherboards. Front Audio: This uses a standard HD Audio 10-1 pin header. If you're re-casing, are you also looking for the audio pinouts for this specific board? How to wire up front panel i/o's dell mih61r mb front panel pinout
Front Panel Pinout