Ben Stienstra

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firmware_update_pc_engines_apu

PC Engines APU2 - update BIOS via USB

Create bootable USB stick

  • Download TinyCore image.
  • Write image to USB flash drive.
    zcat apu2-tinycore6.4.img.gz | sudo dd of=/dev/sda bs=1M conv=fsync status=progress
  • Mount the USB flash drive.
  • Download latest bios to USB flash drive.
  • Boot APU2 (press F10 and select USB flash drive).
    SeaBIOS (version rel-1.11.0.5-0-gd34c797)
    
    Press F10 key now for boot menu, N for PXE boot
    Select boot device:
    
    1. AHCI/0: KINGSTON SMS200S330G ATA-8 Hard-Disk (28626 MiBytes)
    2. USB MSC Drive SanDisk Ultra 1.00
    3. iPXE
    4. Payload [setup]
    5. Payload [memtest]
    
    Booting from Hard Disk...
    
    SYSLINUX 6.03 EDD 20150820 Copyright (C) 1994-2014 H. Peter Anvin et al
    
    SYSLINUX 6.03 20150820 Copyright (C) 1994-2014 H. Peter Anvin et al
    Loading vmlinuz...Loading vmlinuz...  ook
    k
    Loading core.gz..Loading core.gz....ook
    
    <SNIP>
    
      ____   ____   _____             _                 
     |  _ \ / ___| | ____|_ __   __ _(_)_ __   ___  ___ 
     | |_) | |     |  _| | '_ \ / _` | | '_ \ / _ \/ __|
     |  __/| |___  | |___| | | | (_| | | | | |  __/\__ \
     |_|    \____| |_____|_| |_|\__, |_|_| |_|\___||___/
                                |___/
    
    TinyCore 6.4 www.tinycorelinux.com
    
    login[525]: root login on 'ttyS0'
    searching for home directory ...
    FAT partition not mounted yet, retrying since 0 sscsi 4:0:0:0: Direct-Access     SanDisk  Ultra 6
    sd 4:0:0:0: Attached scsi generic sg1 type 0
    sd 4:0:0:0: [sdb] 60063744 512-byte logical blocks: (30.7 GB/28.6 GiB)
    sd 4:0:0:0: [sdb] Write Protect is off
    sd 4:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
     sdb: sdb1
    sd 4:0:0:0: [sdb] Attached SCSI removable disk
    FAT partition not mounted yet, retrying since 1 sFAT-fs (sdb1): Volume was not properly unmounte.
    random: nonblocking pool is initialized
    FAT partition not mounted yet, retrying since 14 sSorry, FAT partition not found.
    -sh: /root/takemehome.sh: line 22: fail_beep: not found
                                                                  
    
    -sh: /root/takemehome.sh: ./autostart.sh: not found
    root@box:~# 
  • Start update.
    root@box:~# flashrom -p internal -w /media/SYSLINUX/apu2_v4.11.0.1.rom
    flashrom v0.9.8-r1888 on Linux 3.16.6-tinycore (i686)
    flashrom is free software, get the source code at http://www.flashrom.org
    
    Calibrating delay loop... delay loop is unreliable, trying to continue OK.
    coreboot table found at 0xcfed2000.
    Found chipset "AMD FCH".
    Enabling flash write... OK.
    Found Winbond flash chip "W25Q64.V" (8192 kB, SPI) mapped at physical address 0xff800000.
    Reading old flash chip contents... done.
    Erasing and writing flash chip... Erase/write done.
    Verifying flash... VERIFIED.
    root@box:~# 
  • Reboot
firmware_update_pc_engines_apu.txt · Last modified: 2019/12/30 19:07 by admin