Canon EOS R5 so-called overheat timer defeated by a single screw in battery door
On Friday, I received a message from the lead developer at Magic Lantern. An interesting theory was being put forward by one of their open source contributors, which he believed could defeat the so-called overheat timer on the Canon EOS R5.
Initially I was skeptical as to whether it would work! Mainly because the initial real-world tests on my own EOS R5 did not reset the timer.
But then, a break-through.
Magic Lantern just became Magic Screw!
Read the full blog post here:
Made a lot of progress on understanding the .DAT files. Using my Canon RP as a test bed, I recorded two 1:00 videos, one regularly and the other power-interrupted. I then copied the entire SD card for each case as a file image to my system for analysis. Prior to recording video each SD was prepared by fully wiping it with dd, then formatting in the camera. I also went back to FAT32 because it's easier to analyze those structures than exFAT.
This yields two very similar filesystem images. Fo
