szelbi

joined 9 months ago
[–] [email protected] 2 points 8 months ago* (last edited 8 months ago)

Unfortunately, where I use the dock there is only a Wi-Fi connection. So I can't say anything about LAN speeds. I copied an 8GB file from the WD7500BPKX via the USB 3 port and the transfer was around 88 MiB/s. However, the transfer itself froze twice for a few seconds, which didn't happen when using the laptop's built-in USB port (speeds were about the same). So it's certainly not ideal...

[–] [email protected] 1 points 8 months ago (2 children)

OK, so today I was able to test the WD19TB dock again as I am back home. I changed the Thunderbolt security level to "No Security", connected the dock to the USB-C port further away from the display and... it seems to work fine.
I've got two screens connected: 1080p 75Hz (DP) and 1080p 165Hz (but only works at 144Hz via HDMI, so it's not a problem with the dock - same on PC with GTX1070); mouse and DAC via USB-A. I'm not sure what exactly caused the problems I had, but I guess it doesn't matter much now :D
Thanks for your help @[email protected] :)

[–] [email protected] 6 points 8 months ago* (last edited 8 months ago)

I have a similar problem, but on Lemmy.zip (Lemmy.world looks fine). However, I am running Fedora Kinoite (immutable), where Firefox is not installed as Flatpak.

Main page of Lemmy.world

Main page of Lemmy.zip

[–] [email protected] 3 points 8 months ago

I've been using Fedora Kinoite for a few months now. Before that, I also hopped between different distros quite a bit, including Ubuntu, Mint, Fedora Workstation, openSUSE. To be honest, I really appreciate the immutable nature of Kinoite and maybe that is why I am really happy with the experience. Even "normal" Fedora Workstation caused a lot of problems during my usage and with Kinoite, nothing like that so far. So I can really recommend it.
There's only one really small problem I've noticed, which is a problem with the rendering of some fonts on web pages (e.g. lemmy.zip). These fonts are not rendered correctly, or are replaced with some default fonts, and they just look weird. There was nothing like this in openSUSE KDE, so I assume the problem is with Kinoite itself, as I have this problem on two machines. However, it is so rare (I only noticed it on two websites) that it can be ignored.

[–] [email protected] 1 points 9 months ago

Yes, you're right. The 40AY isn't listed here as one that uses DisplayLink: https://www.reddit.com/r/thinkpad/wiki/newdocks/ so I think that's the best bet for me :)
You can just have a look at the Counter-Strike if it's not a problem for you, as it's free to play. Thank you very much!

[–] [email protected] 1 points 9 months ago

As I have mentioned in one of the comments below, I had the security level set to “User Authorization”. I also remember KDE Plasma showing me a popup asking for authorization for the Thunderbolt 3 port. However, I will disable this to make sure the docking station has the correct permissions. I will update you then.
However, it looks like these problems may be caused by the Thunderbolt 3 implementation used in this laptop. Described here: https://www.reddit.com/r/thinkpad/wiki/newdocks/

[–] [email protected] 2 points 9 months ago* (last edited 9 months ago)

Thanks for the link! I hadn't come across this site before and it explains a lot.
For the Thunderbolt 3, I had the security level set to "User Authorization". I remember KDE Plasma showing me a popup asking for authorization for the Thunderbolt 3 port. I think I will just turn it off to make sure the docking station has the correct permissions. Thunderbolt 3 settings in the Lenovo Thinkpad T480s BIOS

Secure boot has already been disabled.
Secure Boot Configuration in the Lenovo Thinkpad T480s BIOS

When I get home, I'll write about what I've achieved with this DELL docking station when I've finished checking it all out. But it looks like that these problems may be caused by the Thunderbolt implementation used in the laptop, as you wrote...

[–] [email protected] 1 points 9 months ago

https://www.reddit.com/r/thinkpad/wiki/newdocks/

40A9 - ThinkPad USB-C Dock Mixed mode USB C dock daisy-chained to an MST hub. It can drive two 1080p @ 60 Hz and 5 Gbps USB ports. ** Warning: ** there's a credit report of the MST chip dying in there.

40AC - ThinkPad Thunderbolt 3 Dock Thunderbolt 3 dock + MST hub. Most of the time, a much cheaper USB-C dock or a competitor's TB 3 dock is a better bang for the buck; this thing is a bit expensive for what it offers. Especially bad purchase for the X2/T laptops because their half Thunderbolt matched with this dock has zero advantage whatsoever over the dual USB-C Pro/Ultra docking stations. In fact, if the Ultra explanation above is correct then the Ultra provides more video bandwidth than this one.

[–] [email protected] 1 points 9 months ago* (last edited 9 months ago)

https://www.reddit.com/r/thinkpad/wiki/newdocks/

DisplayLink is not DisplayPort, avoid like the plague. Lenovo docks using this technology include "40AA", "40A7", "40A8" and the Hybrid dock "40AF".

So the 40AY looks like the best choice :) Thanks for your help!

40AY - ThinkPad Universal USB-C Dock
Very similar to 40AS. USB C + MST dock and supports DisplayPort 1.4 and DSC. The charging capabilities are slightly improved - dock can provide up 65W with the standard 90W slim-tip brick, or up to 100W with a 135W or higher unit.

[–] [email protected] 1 points 9 months ago

https://www.reddit.com/r/thinkpad/wiki/newdocks/

DisplayLink is not DisplayPort, avoid like the plague. Lenovo docks using this technology include "40AA", "40A7", "40A8" and the Hybrid dock "40AF".

[–] [email protected] 2 points 9 months ago* (last edited 9 months ago)

This is definitely more affordable and also has two output ports for the display. The laptop has a 65W charger, so this is no problem at all.

[–] [email protected] 1 points 9 months ago (1 children)

Yeah, it looks really good.

 

Hello everyone,
I have a Lenovo ThinkPad T480s laptop running Fedora 39 Kinoite. I would like to use it in a multi-display setup, so I am looking for a docking station. The laptop has a Thunderbolt 3 port. I have attached the details of my device at the end of the post.
People on Reddit are writing that "all Thunderbolt docking stations should work fine" and that's obviously not the case... I have this Dell Thunderbolt Dock (WD19TB) at home from work and the displays work when I plug it into the laptop but, for example, my mouse (connected via USB-A) doesn't work. When I connect it to the DELL laptop provided by the company, there are no problems at all.

Docking station requirements: Ethernet, 3x USB-A, 1x DisplayPort, 1x HDMI.
I have two 1080p displays: 75Hz and 165Hz. Obviously I'm not going to be playing any high-frame-rate games on this laptop, but even on a desktop it's sometimes nice to see a slightly higher refresh rate. So if it's possible, I'd like it to be able to display things above 60Hz...
I also have a Steam Deck OLED and would like to be able to use this dock with it.

I don't want to spend too much money on it. Do you have any experience in this area and can you help me choose?

I am from Poland if it helps in any way (maybe some brands are not available here).

LAPTOP DETAILS
Operating System: Fedora Linux 39
KDE Plasma Version: 5.27.9
KDE Frameworks Version: 5.111.0
Qt Version: 5.15.11
Kernel Version: 6.6.6-200.fc39.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-8550U CPU @ 1.80GHz
Memory: 15.5 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics 620
Manufacturer: LENOVO
Product Name: 20L8S0SA00
System Version: ThinkPad T480s

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