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If a homunculus pulled the video cable out of my video card causing my multi-monitor setup to be upset, I'd pull the homunculus out of the KVM switch and stab it repeatedly.
– Ignacio Vazquez-Abrams
Commented Jul 28, 2018 at 21:48
2

@Jasen: That point could be developed into an answer.
– einpoklum
Commented Jul 28, 2018 at 23:16
1

@sawdust: The desk I am sitting at right now has two monitors and two computers. One monitor is exclusively connected to my workstation via HDMI, and the other is connected to my workstation via DVI and the other computer via VGA. If I were to use a DVI KVM switch for the second monitor then my workstation would detect any disconnection and switch my desktop to a single monitor. And don't get me started about when I tried using a HDMI switch on my primary monitor; that was an exercise in pain...
– Ignacio Vazquez-Abrams
Commented Jul 29, 2018 at 1:52
2

@sawdust : not so confusing. The KVM may well have some ports marked as "input" (e.g., data coming from a computer) & different ports marked as "output" (e.g., data going to a monitor), for the sake of user-friendliness, even though you're technically correct that one of the devices plugged into an "input" port may actually be performing "output" during bi-directional communication that a protocol requires. As another example, although a monitor can send info to a PC (so the PC can determine whether something is plugged in), monitors are still typically classified as output devices (not I/O)
– TOOGAM
Commented Aug 3, 2018 at 13:43
1

I remember some people recommended using a particular KVM to strip a HDCP and to be able to see the full HD content on a non-HDCP compliant display. These things really can do a lot other than mechanical switches.
– j_kubik
Commented Aug 10, 2018 at 18:56

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