X1 Carbon (3rd Gen, 2015) questions

Hi all
Displayport
The X1 Carbon 3rd generation (X1 3rd Gen) sports a mini 1.2 displayport (1.2 mDP). The 1.2 DP standard supports daisy chaining of monitors using multi stream transport (MST).
Does this mean the X1 3rd Gen is good to power two 1.2 displayport capable monitors using just the 1.2 mDP?
What about the internal / built-in display, can it be driven at the same time as two external monitors?
If it is not possible with the mDP alone, is it possible to have all three (internal + 2x external) monitors driven by using the HDMI port also?
Memory
Is the 8GB memory limit due the lack of  >8GB modules - i.e. there is no 16Gb modules for thsi kind of use?
Changing keyboard
Is the keyboard a Customer Replaceable Part (CRU)? It seems to be so for the 1st generation, but I couldn't find anything for the 3rd generation.
Thanks!
JonasCJ
Solved!
Go to Solution.

jonascj schrieb:
Does this mean the X1 3rd Gen is good to power two 1.2 displayport capable monitors using just the 1.2 mDP?
Yes, but you'll need either a monitor with both DisplayPort input and output (you have to attach that monitor to your ThinkPad and the second monitor to the DisplayPort output of the first one) or a DisplayPort Multi Stream Transport hub. More information about daisy chaining: http://www.displayport.org/cables/driving-multiple-displays-from-a-single-displayport-output/
jonascj schrieb:
What about the internal / built-in display, can it be driven at the same time as two external monitors?
If it is not possible with the mDP alone, is it possible to have all three (internal + 2x external) monitors driven by using the HDMI port also?
Both should be possible.
jonascj schrieb:
Is the keyboard a Customer Replaceable Part (CRU)?
No, it isn't (according to the Hardware Maintenance Manual).

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