this post was submitted on 24 Mar 2026
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[–] DanTDM@lemmy.world 113 points 3 days ago* (last edited 3 days ago) (3 children)

someone is going to nerdsnipe me so i will add that technically its 15 registered ports per USB controller, so you can add a dongle with another USB controller and have more than 15. a mobo usually only has 1 USB controller for way more than 15 USB ports though, Apple added this arbitrary restriction for no reason since none of their devices have that many ports. so a typical PC motherboard just straight up destabilizes the system lmfao

[–] Wizard_Pope@lemmy.world 34 points 3 days ago (11 children)

Okay but what kind of application is it used for that you exceed 15 ports filled??

[–] TrickDacy@lemmy.world 104 points 3 days ago (3 children)

but why would you need [thing that is already technically possible and could conceivably be needed]???

Are you an apple dev?

[–] Wizard_Pope@lemmy.world 9 points 3 days ago (2 children)

I am just asking what they are doing to need that as I cannot think of anything off the top of my head

[–] Earthman_Jim@lemmy.zip 42 points 3 days ago* (last edited 3 days ago)

Music production, which apple pretends to be superior at.

[–] TrickDacy@lemmy.world 12 points 3 days ago (16 children)

I mean, it's pretty easy to imagine needing 10 USB ports. I think I'm using around that many myself on my desktop. Then just add a couple more for things that may be things needed temporarily.

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[–] accideath@feddit.org 6 points 3 days ago (5 children)

Well, from an Apple pov, there’s no reason to change that limit (which is probably there because of some legacy limitation) until they release a device with more usb ports, which they probably won’t. macOS isn’t supposed to run on your pc motherboard after all.
But I agree that it’s annoying. I was daily driving a hackintosh with catalina for two years. Wasn’t the easiest setup.

[–] TrickDacy@lemmy.world 8 points 3 days ago

Yeah, but from Apple's perspective, a lot of shitty things make more sense but I still ain't okay with them :)

I was thinking of trying to do hackintosh before I switched to Linux. I think I dodged a bullet.

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[–] saltesc@lemmy.world 3 points 3 days ago

When I worked for Apple, I do remember the iOS devs having racks of iOS devices all being flashed at the same time off a single Mac. But I don't remember the count and this was years ago—like Snow Leopard to El Cap era.

I was just kind of data analytics, but the labs were near my area, so can't really give much more info, but mildly interesting, I guess?

[–] curbstickle@anarchist.nexus 32 points 3 days ago (1 children)

For my work, I personally have:

  • Webcam
  • Mic
  • Dongle for mouse
  • Dongle for headset
  • Wired keyboard
  • Monitor 2 touchscreen
  • Macropad
  • Ethernet adapter 1 (connection to work network)
  • Ethernet adapter 2 (connection to small switch with no uplinks, for device testing)
  • Ethernet adapter 3 (connection to local avoip network)
  • External drive
  • Microcontroller programmer (universal, let me cut down on a few other adapters I had)
  • Serial adapter
  • Card reader
  • Video capture - analog
  • Video capture - digital
  • Audio interface for xlr I/o and my good headphones
  • NFC reader/writer

Then a couple of loose cables for connecting the random devices, like a tablet for adb purposes, DSLR, etc. Not including the built-in devices on the laptop which show up as USB devices, like the crappy built-in webcam, microsd only card reader in the worlds stupidest spot, etc.

I'd say its easy to hit 15 - thats only the USB devices attached to my work laptop.

[–] wabasso@lemmy.ca 8 points 3 days ago (2 children)

Ok that was legit.

Do you had recommendations for powered USB 2 and 3 hubs that are decent quality? I’m so sick of plugging things in and they don’t have enough power.

[–] curbstickle@anarchist.nexus 10 points 3 days ago (2 children)

Sabrent. Bit more money, but I like the ones with built in power switches per port (handy for testing disconnection events), and the build quality is solid. Power supplies they provide can be a bit bulky, but I mount them in my rack so its not really a problem for me.

Anker I like for their slimmer powered hubs, but those mostly sit in my laptop backpack, not the daily driver on my home office desk.

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[–] socsa@piefed.social 10 points 2 days ago

My bukakke VR simulator require between six and six hundred USB devices.

[–] mech@feddit.org 9 points 3 days ago

Don't judge, I need this RAID 0 array of 30 flash drives for my workflow!

[–] Prunebutt@slrpnk.net 10 points 3 days ago (1 children)

Off the top of my head: Sensors. E.g. in some underfunded university lab.

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[–] DanTDM@lemmy.world 10 points 3 days ago* (last edited 3 days ago) (1 children)

one physical USB-A socket on the machine can read as two USB ports virtually due to that physical socket supporting USB 2.0 and USB 3.0 at the same time, I believe its a backwards compat thing. I think there might also be internal (virtual) USB ports as well but don't quote me on that. On mobos with 8+ physical USB A sockets it can easily get past the 16 limit unless you specifically disable the USB 2.0 port, which then might break older devices relying on that and it becomes a whole headache. this person explains it better than I can

[–] Wizard_Pope@lemmy.world 4 points 3 days ago

Ah I see. So it's more like plugging in 5-10 things exceeds the limit.

[–] expr@piefed.social 6 points 3 days ago

It's not actually that hard to get up there. Mechanical keyboard, wired mouse, external drives, headset, webcam, other peripherals, etc. And if you are trying to do anything more involved like music production, you end up needing way more (audio interfaces, midi controllers, etc.).

[–] RipLemmDotEE@lemmy.today 4 points 3 days ago

Anyone who produces music with hardware and hasn't spent the extra money to buy a dedicated MIDI interface.

[–] altkey@lemmy.dbzer0.com 3 points 3 days ago* (last edited 3 days ago)

Video. If there is something mindlessly excessive, it's always video. And if you have tree leaves for budget, instead of slightly more expensive hardware controllers or PCIe cards that can combine multiple inputs and outputs, and do it right, you default to cheap usb dongles per device used, and compose them on software level. If you collect inputs from several devices and output these to something like displays on a scene, while also collecting audio from mics, DJ deck, and outputting these too, numbers add up quickly. This clownshow is further expanded by unreliable software, usb power limits, Microslop Windows in most cases - because pros use it or Mac, no penguins. I have no pride in greatly exceeding what some random PCs could predictably do, for fixing random errors here and there when USB and USB hubs hit their practical ceiling is just another level of Dante's hell, for all us time- and harware-restricted tinkerers.

[–] daggermoon@piefed.world 4 points 3 days ago (6 children)
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"so a typical PC motherboard destabilizes the system" you don't say. Steve jobs killed the external Macos program they had for GSeries and m68k Mac's when he came back saying internally "if you let competition thrive you cannot drive demand".

so I think we can guess why it's hard coded lol

[–] vithigar@lemmy.ca 8 points 3 days ago* (last edited 3 days ago)

a mobo usually only has 1 USB controller for way more than 15 USB ports though

This is not true for the last... many PC motherboards I've used. The USB ports are almost always split between the CPU controller and a chipset controller.

If you want to be really pedantic I guess you could argue that the motherboard only supplies one while the other comes from the CPU. :P

[–] ramble81@lemmy.zip 26 points 3 days ago* (last edited 3 days ago) (1 children)

Huh, I don’t think I’ve ever seen a controller with more than 15 ports anyway. Usually looking through the device manager (or lspci) there are multiple USB controllers on a motherboard (mine has 4 for example) so theoretically you could do 60 ports. Also what can do you about chaining to hubs? Since technically the spec lets you chain up to 127 devices.

But the bigger question is, what in the world are you doing that’s requiring 15 ports.

[–] Agent641@lemmy.world 43 points 3 days ago (1 children)
[–] QuantumSparkles@sh.itjust.works 38 points 3 days ago (1 children)

That’s called a rat king

[–] JargonWagon@lemmy.world 5 points 3 days ago* (last edited 3 days ago)

Technology's cyclical

[–] Borger@lemmy.blahaj.zone 28 points 3 days ago* (last edited 3 days ago) (2 children)

What in the world kind of job makes you set up a Hackintosh? 😭 while I’m stuck here with company managed Windows on a Thinkpad where I can’t even customise my wallpaper…

I built and set up mine back in the High Sierra days (hobby project ofc.) I kept it going for years but finally gave up a few months ago; didn’t feel worth it anymore when Intel is on its way out of the Apple ecosystem. Could have easily keep it going if I didn’t care about staying up to date with MacOS major releases.

[–] TrickDacy@lemmy.world 14 points 3 days ago

What in the world kind of job makes you set up a Hackintosh?

Probably a contractor role at a company that uses some Mac software in the role they're hiring for. So it's more of a situation of "do you have a Mac you can use for this job?". That's my guess anyhow.

[–] rustydrd@sh.itjust.works 4 points 3 days ago

stuck here with company managed Windows on a Thinkpad where I can’t even customise my wallpaper…

You are conveniently provided a secure IT infrastructure streamlined toward seamless collaboration and productivity. Please do not resist.

[–] olenkoVD@lemmy.dbzer0.com 11 points 2 days ago

I think there is a flag in OpenCore, something like XhciPortLimit that you can tweak to fix that, or map your USB ports or something I can't remember, it's been so long since I bothered with these kind of stuff

[–] BackgrndNoize@lemmy.world 9 points 3 days ago (3 children)

What anime is the Gif from?

[–] norra@lemmy.world 12 points 2 days ago (1 children)

I think it's Serial Experiments Lain

Beep boop, you are correct. I put it into SauceNAO and it said

Serial Experiments Lain - 5

TV Series (1998) - 13 Episodes

^JP^ Title: リアルエクスペリメンツレイン
^EP^ Name: Distortion
~Est~ ~Time:~ ~00:15:24~ ~/~ ~00:23:54~

[–] elevenbones@sh.itjust.works 3 points 2 days ago

At first I thought it was Boogiepop Phantom, but maybe it is Lain...

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[–] realitista@lemmus.org 13 points 3 days ago (1 children)

are hackintoshes still a thing? Are you just using an old Intel MacOS?

[–] Cort@lemmy.world 3 points 2 days ago (3 children)

Iirc you can do Ryzen hackintoshes now too.

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Are you sure? Action Retro built a software RAID from 30 floppy drives connected over USB.

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