upgrade_pc_engine_s_apu_bios_with_pxe
PC Engines APU - update BIOS over PXE
Prerequisites
Working PXE/tftp server.
PC Engine's APU.
Serial console.
Configuration
Download BIOS image, flash BIOS
Request IP-Address.
udhcpc -i eth0
Download the BIOS firmware.
tftp -g -r /bios/apu140405.rom pxe.server.host
Upgrade the firmware.
$ flashrom -w apu140405.rom
flashrom v0.9.7-r1711-APU on Linux 3.8.13-tinycore (i686)
flashrom is free software, get the source code at http://www.flashrom.org
Using default programmer "internal".
Calibrating delay loop... OK.
coreboot table found at 0xdffdf000.
Found chipset "AMD SB7x0/SB8x0/SB9x0". Enabling flash write... OK.
Found Macronix flash chip "MX25L1605A/MX25L1606E" (2048 kB, SPI) at physical address 0xffe00000.
Reading old flash chip contents... done.
Erasing and writing flash chip... Erase/write done.
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upgrade_pc_engine_s_apu_bios_with_pxe.txt · Last modified: 2021/10/09 15:14 (external edit)