I have msi h310i pro and i5-9400f (it does NOT have an igpu). The motherboard has displayport. The gt710 doesn't have displayport. Will I be able to plug monitor in to motherboard's displayport and will it work with gt710 also when hdmi monitor is plugged in gt710 ?!
I really need to know for sure since I'm gonna buy monitor which only has displayport and VGA...
To connect a GPU to a monitor, the GPU has to be directly connected to the monitor from the ports on the GPU.
If your CPU has no integrated graphics, there's nothing driving the ports on the motherboard. Whether you connect a monitor to your motherboard, you'll get the same result whether you use a DisplayPort cable or spaghetti.
I could be wrong, but no you can't do that. You can only use one (integrated) or the other (discrete gpu).
If you have a discrete graphics card plugged into your motherboard, normally that will disable all the motherboard (rear panel) display outputs (in your case, the DVI and the Display ports). There maybe some BIOS setting where you can change this default behavior.
If you don't have a discrete graphics card plugged into your motherboard, and your CPU has integrated graphics, you can use one of the motherboard display outputs.
If you CPU doesn't have integrated graphics, you absolutely cannot use the motherboard display outputs. At least not that I know of.
Please, if I'm incorrect on this, someone correct me!
I've read that if I plugged dp into PC and HDMI into monitor it'd be supported natively by DP specification. BUT HDMI to DP is not natively supported and requires usb-powered converter And such converter must not be cheap to not damage hardware!
"Damage can occur to the connected devices if this pin is electrically connected and some of the off-brand cables do just that. Any time a reputable patch cable is used in the signal path this power connection is broken as it should be. " https://www.tempest-av.com/single-post/2019/02/07/HDMI-to-DisplayPort-and-DisplayPort-to-HDMI-Conversion-Explained
So I thought the mobo could play role of that "usb-powered converter " but no( Only igpu could probably do such stuff. Moreover I still have no answer to the question whether such "usb-powered HDMI->DP converter " loses quality during conversion. If someone is qualified - please tell me
If you read the description for that cable, you'll see it's only for a DP output to an HDMI input.
You do actually seem to need an active converter for going from HDMI to DP, which I'll admit is new to me. HDMI uses TMDS signaling, as does DVI. DP uses LVDS, but is capable of outputting TMDS via an alternate mode. But it can't receive TMDS, hence the need for am active converter for HDMI to DP, to convert from TMDS to LVDS.