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this post was submitted on 16 Nov 2025
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I'm not surprised it works that way on between steam deck and steam deck and the architecture is identical in terms of what steam needs
It's not identical? They are different architectires.
What does the architecture of the CPU have to do with the disk format? Nothing lol, linux arm can use ext4, btrfs, xfs etc same as it's x86 counterpart
~~Any binaries saved on the SD card would need to be duplicated to both x86 and ARM.~~
No they have FEX which translates x86 to arm instructions
Sure but with FEX it shouldn’t matter
Despite being ARM CPUs and Linux based machines, I'm pretty sure most of what they play is Windows x86 binaries.
What I will find fascinating is that if Linux does get a major foothold this might be the way that we actually transition off of x86 because of having all these different translation layers and then we can start creating new and interesting CPU architectures that would be more efficient than stuff that's been sitting from the 80s but still having the backwards compatibility through translation layers
Guessing the disk format used between both systems is identical too (at least from what I saw on my steam deck when using the tool integrated into SteamOS big picture)
Well the great thing about Linux is that it supports so many different file formats it doesn't really matter but yeah it's probably going to be exfat for the SD cards and ext4 for hard drive
It was ext4 for the SD card on default format on Deck (Not too sure why, maybe something to do with size limitations?)
Case folding support is likely the main reason
Ah ether way it can read both