By default, the NVIDIA chipset configures SATA ports to IDE legacy mode in older HP BIOS versions. If installing Windows 7, 10, or Linux, ensure you enter the BIOS (typically by tapping F10 during startup) and set the SATA controller mode to AHCI prior to OS installation for optimal SSD and HDD performance.
(typically colored orange or blue) for dedicated graphics cards. pegatron motherboard m2n78la manual top
A workaround for the failing SATA controller is to install a discrete SATA drive controller card and disable the onboard SATA support in the BIOS. However, this is considered a temporary fix. Because all M2N78-LA motherboards share this design flaw, replacing it with an identical model is not recommended, as the new board will eventually suffer the same fate. By default, the NVIDIA chipset configures SATA ports
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. A workaround for the failing SATA controller is
If you are considering upgrading a computer with this motherboard, here are a few key points based on the information gathered.
The symptoms of this failing chipset include:
He climbed down the stepladder and brushed the dust off the object in his hands. It was a motherboard, vintage green PCB, capacitors bulging slightly with age. Silkscreened in faint white text near the CPU socket was the model number: .