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Spotify won’t open-source Car Thing, but starts refund process (arstechnica.com)

submitted 5 months ago by [email protected] to c/[email protected]

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[–] [email protected] 1 points 5 months ago (1 children)

I haven’t looked that closely at laptop CPUs

My guess would be partially because there are fewer possible interfaces, and they’re directly connecting the CPU to a separate Ethernet/WiFi MAC, USB hub controller, and audio DSP rather than having a separate chipset arbitrating who’s talking to the CPU and doing some of those functions?

[–] [email protected] 2 points 5 months ago (1 children)

my understanding, from the block diagrams they release, is that these io functions are simply integrated into the cpu. in a way that could probably be implemented in desktops too.

[–] [email protected] 1 points 5 months ago

I can’t say for all of them, I just knew that e.g. the z790 chipset still ran the ethernet phy, audio dsp, SPI, their version of TrustZone, etc through the chipset

https://www.funkykit.com/wp-content/uploads/2022/10/intel-z790-chipset-diagram.jpg

If you have the block diagrams for the laptop ones, I’d be curious