Bad BIOS!
In my quest to get my motherboard (Gigabyte S-series GA-MA790FX-DS5) to wake-on-LAN, I tried upgrading the BIOS from Gigabyte’s download site from version F6 to version F8F. Bad idea! After the upgrade, the system would sometimes reboot spontaneously. This seemed to happen with more resource-intensive processes. The Gigabyte support folks were not really helpful (they just told me to check the cables), and, indeed, [...]
Stir-on-LAN
I got Wake-on-LAN almost working on my desktop computer. It took some trial and error, but here are the essential steps:
I configured my Gigabyte S-series GA-MA790FX-DS5 motherboard BIOS to have PME Event set to enabled; this enables wake-on-LAN which means, apparently, that the NIC still receives a little bit of power in order to check for the Magic Packet. [...]

