Pegatron Motherboard M2n78la Manual Top !!link!! -

For an immediate visual clue, one enthusiast noted you can differentiate the two "Violet" boards by the location of the CMOS battery and the presence of a PS/2 mouse port on the rear I/O panel.

Line-In (light blue), Line-Out/Speaker (lime green), and Microphone (pink). ⚙️ Clear CMOS Jumper Settings pegatron motherboard m2n78la manual top

If you are looking for specific replacement parts, the board's common HP Part Number (MPN) is 504879-001. For an immediate visual clue, one enthusiast noted

The symptoms of this failing chipset include: For an immediate visual clue