=====PC Engines APU2 - Recover blank or corrupted BIOS===== ====Documentation==== * Text source: [[https://pcengines.ch/spi1a.htm|Flash recovery board for apu2]] * {{ ::spi1a.pdf |Schematic}} ====Recover on-board flash==== * Connect to the serial console * Install the SPI.1A module on the SPI header of the apu2 system board. Please watch the orientation (white stripe). \\ {{::img_5728.jpg?nolink|}} \\ {{::img_5730.jpg?nolink|}} * Then power on. * The SPI module will override the on-board flash, which could be blank or corrupted. * Boot tinyCore Linux from a USB stick. * **Then remove the SPI module while power is on** * [[pcengines_apu2_update_firmware_rom|Reflash the BIOS]] * Reboot {{tag>[hardware pcengines apu2 flash bios on board recovery]}}