Greentext

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Early_To_Risa@sh.itjust.works

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Anon is incompatible (sh.itjust.works)

submitted 20 hours ago by Early_To_Risa@sh.itjust.works to c/greentext@sh.itjust.works

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[–] tetris11@feddit.uk 9 points 17 hours ago (2 children)

usb c (actually thunderbolt)

aren't these different tech stacks and connectors?

[–] GamingChairModel@lemmy.world 3 points 9 hours ago

Macbooks have had Thunderbolt 3 (the protocol) over USB-C (the physical form factor) since about 2015. The Thunderbolt 3 protocol became incorporated into the USB 4 standard in 2019 (and is implemented on the physical USB-C port).

Earlier versions of Thunderbolt were proprietary standards jointly controlled by Apple and Intel, but implemented over Mini-DisplayPort connectors. They were phased out in new devices starting in around 2015.

[–] Footer1998@crazypeople.online 16 points 17 hours ago (1 children)

used to be, not anymore though, thunderbolt uses the same ports as USB C and is compatible with USB C, you can think of thunderbolt as enhanced USB C

[–] tetris11@feddit.uk 0 points 17 hours ago* (last edited 8 hours ago) (3 children)

is it thunderbolt emulated through software on the USB pin stack? or is it really thunderbolt pins offering a USB connector, emulating USB protocols on the thunderbolt stack?

[–] resipsaloquitur@lemmy.cafe 2 points 10 hours ago

No. Some pins in USB can be used for non-USB protocols. If your monitor takes USB-C, likely the video signal is transmitted using DisplayPort on those pins.

Ditto thunderbolt.

[–] Footer1998@crazypeople.online 4 points 17 hours ago

i'm sorry, i don't know the details of how it's implemented exactly

[–] autriyo@feddit.org 3 points 16 hours ago (1 children)

Its capable of some pretty high bandwidths, there's some extra hardware required to make the ports work for thunderbolt. But I think it just runs through the normal USB-C pins.

Its more like an internal switch, rather than emulation. At least the Wikipedia page mentions different pin configurations per usage mode...

[–] tetris11@feddit.uk -3 points 16 hours ago

I asked a slop machine and it said that Thunderbolt is implemented in the PCIe/Displayport hardware mode of the USB. I then checked the wikipedia and it more or less aligned with that interpretation