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ThinkPad T470 docking stations compatibility

2017-10-12, 17:11 PM

Do the ThinkPad T470 use the same docking station of the ThinkPad T440

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Re: ThinkPad T470 docking stations compatibility

2017-10-12, 17:30 PM
All docking stations for T440 are compatible with T470.

Follow this guide:
https://download.lenovo.com/pccbbs/options_iso/ocm_october_2017_revised.xlsx



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10-13-2017

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Re: ThinkPad T470 docking stations compatibility

2017-10-13, 19:49 PM

What docks are compatiable and can do dual monitors with one being a 4K/60Hz monitor?  I tried the Startech Thunderbolt3 and it doesn't work.  It can only drive 1 monitor at a time.  Only when I connect a HDMI from the latop to the monitor will it work.

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Re: ThinkPad T470 docking stations compatibility

2017-10-13, 19:58 PM

Thank you

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Re: ThinkPad T470 docking stations compatibility

2017-10-15, 12:59 PM
DT98,

follow this guide
https://support.lenovo.com/us/en/solutions/pd029622



x220 • Gobi 2000 3g | hdd, msata ssd, wwan, wifi, gps -- unique hand-made config
ThinkPad 25 Special Anniversary Edition. #Retro. Signed by D.Hill
T470p | X1 Carbon Gen3 | Miix 2 10" | Yoga Tablet 2-1050F (Android) + BT Keyboard
ThinkPad Stack • 2.4/5 Wireless Router, HDD 1 TB, BT Speaker, Power Bank, Mobile Projector

Do it well, worse becomes itself

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11-15-2017

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Re: ThinkPad T470 docking stations compatibility

2017-11-15, 17:40 PM

I have the same question/issue.  I had a T440s and that docking station worked but now that I have a T470, the docking station does not work. No power, no VGA connectivity to external monitor, USB ports don't work.  One thing I've noticed is the power supply on the T470 is smaller than the one I had for the T440, so wonder whether I might need a larger power supply?  The dock MN just says 40A2 and I can't seem to locate any longer model number which all the docking stations seem to have.  I'm wondering whether: 1) I need a larger power supply or 2) I need a different docking station or 3) I can make this T470 and docking station work if I just .........what?

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Re: ThinkPad T470 docking stations compatibility

2017-11-15, 18:31 PM

wrote:

What docks are compatiable and can do dual monitors with one being a 4K/60Hz monitor?  I tried the Startech Thunderbolt3 and it doesn't work.  It can only drive 1 monitor at a time.  Only when I connect a HDMI from the latop to the monitor will it work.


 

course. The T470 only puts one DisplayPort signal on the TB3 bus so a TB3 dock expecting two won't work. An MST hub (the Ultra dock contains one but you can use whatever cheap MST hub you want with an USB C-to-DP adapter) can drive multiple monitors from a single DP connection. 4K @ 60 Hz uses up 76% of the single DP bandwidth so you have 34% left which is enough for a 1920x1200 @ 60 Hz second monitor but nothing above that, even a 2560x1440 @60hz wouldn't work.

I wrote about this at https://www.reddit.com/r/thinkpad/comments/7c93zi/any_point_in_getting_a_thunderbolt_display_to_use/dpofwyu/ and also https://medium.com/@chx/recent-technology-primer-for-classic-keyboard-zealots-c0a5a981e4c1

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