Return the jumper to before powering the system back on. Upgrade Limitations & Compatibility
The AM3 version (Violet6) supports Phenom II, Athlon II, and Sempron processors with a TDP of up to 95W .
While it supports DDR3-1333, the system will automatically downclock to 1066 MHz if three or more modules are installed due to AMD platform limitations. pegatron motherboard m2n78la manual top
The (also known by its HP/Compaq code names Violet-GL8E or Violet6-GL8E ) is a Micro-ATX motherboard frequently found in HP Pavilion and Compaq Presario desktop systems.
Designed for AMD processors, this motherboard had two primary revisions: an earlier version supporting with DDR2 memory and a later "Violet6" version supporting Socket AM3 with DDR3 memory. Below is a comprehensive guide based on the M2N78-LA Motherboard Manual . Key Technical Specifications Revision 3.xx (AM2/DDR2) Revision 5.xx/6.xx (AM3/DDR3) Socket AM2 / AM2+ Chipset NVIDIA GeForce 9100 NVIDIA GeForce 9100 Memory 4x DDR2 DIMM (Up to 16GB) 4x DDR3 DIMM (Up to 16GB) Expansion 1x PCIe x16, 3x PCIe x1 1x PCIe x16, 2x PCIe x1, 1x PCI Form Factor Micro-ATX (24.4 x 24.4 cm) Micro-ATX (24.4 x 24.4 cm) Top Troubleshooting & Setup Procedures 1. Front Panel Header Pinout Return the jumper to before powering the system back on
The board features 4 SATA connectors (SATA II - 3.0 Gb/s) and one legacy floppy drive connector on older revisions.
For detailed wiring diagrams and visual layout, you can reference the HP Desktop Support Archive or download the technical PDF from The Retro Web . Pegatron M2N78-LA Motherboard Specs | PDF - Scribd The (also known by its HP/Compaq code names
To remove a forgotten BIOS password, locate the jumper: Move the jumper to pins 1-2 for 10 seconds.
The front panel connector is a 9-pin header typically located at the bottom-right of the board. If you are moving this board to a new case, use this standard configuration: Pins 1 (+) and 3 (-) Power LED: Pins 2 (+) and 4 (-) Reset Switch: Pins 5 and 7 Power Switch: Pins 6 and 8 Pin 9: Reserved/Ground; Pin 10: Empty (Key) 2. Clearing CMOS Settings
The integrated NVIDIA 9100 is automatically disabled if a dedicated card is installed in the PCI Express x16 slot.