The board supports several AM3-based AMD processors, including:

If your system fails to boot after a hardware change or a bad BIOS tweak, resetting the CMOS memory often resolves the problem. Turn off the PC and unplug the main power cable.

If your Pegatron M2N78-LA system refuses to boot or exhibits erratic behavior, utilize these standard troubleshooting procedures:

The M2N78-LA has four 240-pin DDR3 DIMM sockets supporting unbuffered non-ECC memory.

Located on the bottom right corner of the board. It is a 10x2 pin block.

When moving this motherboard into a new case, the F_PANEL (Front Panel Header) can be tricky. It is located at the bottom-right of the board. Pin 1 & 3 (usually top-right of header). Reset Switch: Pin 2 & 4. Power LED: Pin 5 & 7. HDD LED: Pin 6 & 8. 5. Drivers for Pegatron M2N78-LA

Pegatron M2N78-LA Go to product viewer dialog for this item. (also known by the HP name Violet6-GL8E Go to product viewer dialog for this item.

Socket AM3 (Supports AMD Phenom II, Athlon II, and Sempron processors) .

Page 12: Jumper Settings.

The M2N78-LA is designed for stability and efficient performance, focusing on the DDR3 memory standard and AM3 processor socket. Pegatron HP Name: Violet6-GL8E Chipset: NVIDIA GeForce 9100 Form Factor: Micro-ATX (24.4 cm x 24.4 cm) Socket: AM3 (Supports AM3 processors only) Memory: Four 240-pin DDR3 DIMM slots (Dual Channel)

He pressed the power pins with a screwdriver. A faint whine from the PSU, a fan twitched, but nothing happened. No post, no beep, no life.