Dell MIH61R Go to product viewer dialog for this item. motherboard (found in the Inspiron 620 and Vostro 260) uses a proprietary 10-pin or 11-pin front panel header. Because Dell uses a non-standard layout, you must manually bridge specific pins to use a standard case's power button and LEDs. Front Panel Pinout (Standard Header)
Solution: Look for a black 2x5 header labeled F_PANEL, JFP1, FRONTPNL, or PANEL. On the MIH61R, it is often unlabeled. Check the BIOS edge of the board (near the CMOS battery). dell mih61r mb front panel pinout
Dell MIH61R motherboard (commonly found in the Dell OptiPlex 390 Dell MIH61R Go to product viewer dialog for this item
polarity-sensitive. If your LEDs don't light up, flip the connector 180 degrees. Reset Switch: Front Panel Pinout (Standard Header) Issue 4: I