According with the Rack Matrix BLOG article
PC Engines APU motherboard BIOS update describing how to update the PC Engines APUx BIOS.
We update the SD image with last BIOS 4.12.0.1 and 4.0.30 for legacy released at 2020-05-29, BIOS 4.11.0.6 released on 2020-04-26. This image can be download
hereV4.12.0.1
release date 2020-05-29
List of change- Fixed/added:
- rebased with official coreboot repository commit 8952d1c
- Memtest86+ revision updated to 0b756257276729c1a12bc1d95e7a1f044894bda2
- fixed random coreboot hangs on apu1
- fixed AGESA assertion errors on apu1
- Known issues:
- apuled driver doesn't work in FreeBSD. Check the GPIOs document for workaround.
- some PCIe cards are not detected on certain OSes and/or in certain mPCIe slots. Check the mPCIe modules document for solution/workaround.
- booting with 2 USB 3.x sticks plugged in apu4 sometimes results in detecting only 1 stick
- certain USB 3.x sticks happen to not appear in boot menu
- booting Xen is unstable
V4.11.0.6
release date 2020-04-24
List of change- Fixed/added:
- rebased with official coreboot repository commit d6f7ec5
- updated sortbootorder to v4.6.18
- reverted changes to ACPI CPU definitions causing BSD systems to not probe CPU frequency driver
- reverted changes with PCIe reset logic causing mPCIe2 slot connected modules to not appear in OS
- PCIe power management features runtime configuration
- fixed memtest hang on apu1
- fixed TPM2 detection on FreeBSD 12.1
- Known issues:
- Random boot loader hangup on apu1d4 with v4.11.0.5
- agesa errors on apu1 when booting 4.11.0.5
- apuled driver doesn't work in FreeBSD. Check the GPIOs document for workaround.
- some PCIe cards are not detected on certain OSes and/or in certain mPCIe slots. Check the mPCIe modules document for solution/workaround.
- booting with 2 USB 3.x sticks plugged in apu4 sometimes results in detecting only 1 stick
- certain USB 3.x sticks happen to not appear in boot menu
- booting Xen is unstable
