Pegatron Motherboard M2n78la Manual Top Fix Info
The most common hardware failure on the M2N78-LA involves the . It handles your SATA storage connections but ships from the factory with an undersized heatsink.
In that PDF (usually page 27-35), you will find the exact layout for the M2N78LA. Alternatively, archive.org has a cached version of the Pegatron BIOS update M2N78LA_ROM.15 . Do not flash a random ASUS M2N78-VM BIOS; it will brick the board. pegatron motherboard m2n78la manual top