Krystian Hebel

Firmware Engineer interested mostly in things deliberately omitted from documentation. Thinks C is high-level language, can write something in Verilog but doesn’t know how to read it yet.

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Articles (21)


Enabling ECC on PC Engines platforms

Published at October 16, 2018 ·  14 min read

In this post I want to share some findings about ECC on PC Engines apu platforms. I’ll try to shortly describe what ECC is, why is it so desired, what problems with enabling this feature were encountered and how to test whether ECC works or not using MemTest86. Introduction Sometimes a bit in RAM changes its value spontaneously due to electrical or magnetic interference. It can be caused by background radiation, cosmic rays or recently attacks using row hammering....

Categories: firmware