The product number usually follows a format like: , TPM-1.2 , or L28364-001 . It may also be called the “SPS number” (Spare Part Number).
If you are transplanting an HP motherboard into a new case or replacing a broken front panel cable, the "F_Panel" header is your biggest hurdle. Unlike standard boards that label the pins on the PCB itself, some HP boards have cryptic layouts. The motherboard manual provides the pinout diagram, showing exactly where the Power Switch, Reset Switch, HDD LED, and Power LED wires go. Without this, you are essentially guessing, which can lead to shorting the board. hp motherboard manuals