Power delivery through the M14 seems stable. Why would it not be?
Connecting it to two devices and switch between them seems not supported.
I cannot tell, but what I can tell is that dp alt mode is tricky. My usb hub does not support dp alt mode, and the M14 does not relay usb signals if I use the hub as a power source. This means that I can only connect the M14 to the Librem 5. Keyboard and mouse would have to go via bluetooth. Or maybe this expensive hub will work: https://www.delock.de/produkt/64157/merkmale.html
The M14t is the touchscreen variant of the M14.
I’ve switched the connections, the Librem 5 charges at the same rate at either port on the M14.
Fantastic, thank you very much for the review. It seems like a very good option for L5 owners. You are really lucky with both your monitor and hub.
Quarnero meant the situation when you don’t power the M14 externally. This means the L5 battery powering both the L5 and M14 and for that reason one could expect that such case it would not work for long until the L5 battery is down.
IMO, you should at first place try to bring your 3 port USB hub to life, in order to charge Librem 5 when connected to some monitor. See on how (approach-wise) here:
Short answer and only one would be: don’t even consider to buy it (if not USB-IF USB4® certified/compatible).
In order to have M14 (without touchscreen) monitor working you would need either Club 3D CAC-1332, CAC-1336 or latest CAC-1504. Actually just asking for your opinion on those or such adapters (those need 5V/1A, for integrated micro USB port there, from some external power source), general opinion. Do you “see” them working with M14 monitor?
This seems because the M14 does not relay keyboard/mouse from the hub, and the hub does not relay dp alternate mode.
A portable configuration would be to use a bluetooth variant of the Thinkpad keyboard with the Librem 5 and Thinkvision M14.
The Delock 64157 is thunderbolt 4 certified and specifies:
Two 4K monitors or one 8K monitor can be connected, as the Thunderbolt™ port supports DP Alternate Mode.
These adapters all seem to have hdmi. That will not work as neither Librem 5 nor M14 have an hdmi port. And as these are just adapters (not a hub or a docking station) there are options to connect keyboard and mouse.
Yes, it is the same one like: https://www.club-3d.com/de/quick-view/2542/. I’m still pessimistic that those two hubs are useful having around Librem 5. Meaning also that having 14 inch or 15.6 inch monitor without micro or full size HDMI input is not something that I consider easy workaround approach for you. I believe that you find M14 monitor as perfect projection device, and therefore I’m finding that you are taking very difficult approach. Even approach to bring 14 inch monitor to work well over HDMI, with the Librem 5, is not easy one but at least offers few more chances to be successful one, I think (while more focused toward such solution). Thanks for exchanging your opinion with us! Thanks while this is relatively new territory for myself as well!
We talk here while I’m still searching for some very similar 14 inch monitor solution, yet I still count on HDMI port and on capability, in parallel, to send touch instructions to such monitor over to monitor belonging USB-C DisplayPort (second one as the first one would be reserved for power supply), from connected hub.
Those adapters have an HDMI input in order “to transmit an HDMI™ Signal into a USB-C DisplayPort supported Display”. Hope this clarification helps that you understand my proposed approach (as I’m rarely writing everything, although often way too much).
I assume the reason the M14 (or a similar ultra-portable monitor) only has usb-c dp altternate connections is because all other options are not able to transfer power over the same cable.
You are actually having right. And, as side note, I need to admit that I like this well thought out design: https://innlead.shop/wp-content/uploads/images/Edge/ad01.webp. Even HDMI port isn’t of micro type (no need for use of some extra adapter there).
At the time of my thoughts/posts related to Lenovo ThinkVision M14 (latest generation M14t Gen 2 looks to be very sweet product: https://youtu.be/gDNWE3r5ViQ) I didn’t realize that there is implemented existence of power (up to 65W PD while consumes only up to 7.5W on its own) pass-through via its two USB3.1 Type-C DP1.2 Alternate Mode ports. Anyway I’m quite sure now that I’ve finally understood above “put together” setup and at the same time important contribution. At that time I was only familiar that Asus approaches/implementations (in general, just for some kind of comparison, more or less correlated to my earlier, above posted thoughts) to DisplayPort over USB-C differ (here is linked professionally made review of the one of their 4K-IPS USB-C DP1.4, capable to precisely deliver 8-Bit color depth to its surface, portable monitor) within their up to 17.9 inch ZenScreen and ProArt displays and therefore I couldn’t follow, not for real, although ThinkVision M14 and Librem 5 setup clearly (without add-on peripherals) presented.
Now, @ookhoi, if you attach SuperSpeed USB (USB 3.1 Gen 1) USB Type-C™ male connector of externally/directly powered Delock 64062 hub (that you presented here earlier) to the one side of ThinkVision M14 USB-C DP1.2 female port and Librem 5 directly to the second (while power pass-through connected with each other) USB-C DP1.2 female port would your Librem 5, besides hopefully being able to be charged from this (or any other) Dock/Hub and present its content on here correlated 14-inch screen, be able to get/exchange there connected data (including mouse/keyboard) with Delock 64062?
I’m expecting (as based on my question) that M14 display will consume up to 7.5W (5V/1.5A) and therefore Librem 5 should get almost 7.5W of power as well.
Power supply −> Hub USB-C PD port … Hub USB-C male connector −> M14 right USB-C DP1.2 port (Switch-On might be tested now) … M14 left USB-C DP1.2 port −> Librem 5.
EDIT: Otherwise (if above proposal doesn’t work with ThinkVision M14) you’d be in need to do another test/proof of adequate docking station with built-in DP1.4 output/port (for example: https://www.aliexpress.com/i/1005005926580411.html) where you’d need to use bi-directional USB-C to DisplayPort 1.4 cable (https://www.aliexpress.com/i/1005006677028979.html) on one connection side of ThinkVision M14 and connect second power supply to the other USB-C DP1.2 port, to the opposite here related monitor connection side.
My impression on L5 after some full days of use of it is that it is not (yet … hopefully) a phone that I would recommand to non tech|linux|dev|something person that want to use it as a second phone (it can be the main phone … for me it is the only phone …)
Reasons why:
Upgrades are still failing, from time to time from store (so instead of trying on and on there you can go to the terminal)
Battery life is very low (I added zram, swap, reflash it … it will lose @40% over night, in suspend mode after 1 minute) [this bothers me]
It gets warm very fast (after few minutes of use → 52+ C) [this bothers me] (yes … I saw that we can change the battery maybe this will fix the problem BUT I’m from EU not USA so in order to buy another battery I need to buy another phone … and why not delivered with a good battery from first time … assuming the problem is the battery)
it freeze/block from time to time (e.g.: today I had a call, resposed to it and just close the display after … when I wanted to open it … it was stuck on that call panel - the call was ended but I wasn’t able to close the panel)
its heavy (for a standard user … for me … its ok … I have only 2 problems with it [check above])
on charging it gets, again, very warm
I will buy one more (at least - for my wife first) if these 2 problems that bothers me will be fixed (hopefully they will)
I just opened it to see where it is … at 50C when charging (just for charging, screen off, auto suspend … for me looks not good at all … [but not powered off])
I can’t keep it powered off as it is my only phone so even if charging I still need to receive calls, if any
The curve for charging from 20% to 80% is high and battery is big capacity so it normal that will high temp. Please use original charger and cable, also do not share with others device original L5 charger equipment.
DRAM issues still affects S2RAM for energy save. Also Byzantium still not optimized for L5, so thats the reason why every interaction with posh creates high CPU spikes, creating more temperature and battery drain.
Wait for Gnu Crimson and most importantly Gnu Dawn.
This is a known problem. I’ve had it myself, intermittently. I’m confident that this will eventually get fixed.
Yes, this is an unfortunate aspect for non-technical users. The GUI update app sometimes doesn’t work whereas the “same” commands at the shell work fine. I usually update from shell anyway, so not a drama for me personally.
In some respects Purism would be better to link the GUI update icon to a two line shell script until the GUI update app actually works reliably.
What makes Crimson so cool is not the Librem 5 specific stuff. The software developers for not L5 specific related stuff are continuing developing mobile software and all that stuff will come to Crimson as well. So for example Phosh is already 6(?) versions ahead and we will get it. Also the file manager has improvements we will get on Crimson (better touch screen support as far as I know) and so on. Also if Mobian makes something upstream to Debian, we will get this, too.
Battery uptime is a huge amount of work that gets bigger as more optimized things are. The easiest things are done and any further improvement will need more and more time. I don’t expect much here and see this as very long time task. Especially the idle state of OS as well as applications need much work.
(no need for use of some extra adapter there).
… and why not delivered with a good battery from first time … assuming the problem is the battery)
so even if charging I still need to receive calls, if any
