AMD crossfire HDMI in one GPU or in both

[sanjuan13]

I have recently crossfired my 2 r9 280xs from XFX and I would like to know if I need to have an HDMI in into both of my GPUS and then plug one HDMI in my primary monitor and one in my secondary monitor or since I have my crossfire Bridge hooked up in my PC i only need the HDMI cables plugged into just one GPU and have one HDMI go into the primary monitor and have my DVI-D go into my secondary that I use for spotify. I am only trying to game on one Monitor and still have programs like spotify and task mananger in the other monitor. Sorry for the noob questions Im new to crossfiring.

PC Specs:
CPU- i7 4770k
mobo: Asus z87 deluxe
GPU1: r9 280x
GPU 2: r9 280x
OS: Windows 8.1

 

[Darkbreeze]

Crossfire only supports output from one GPU. You can't use two HDMI outputs. You will need to use either DVI, displayport or VGA for the second output. If they are NOT in crossfire, and are only configured as dual GPU's, you can use the HDMI out on each card to create extended desktops.

 

[sanjuan13]

okay but when i have HDMI in my main monitor I tried to plug in DVI d in my second one and I got no signal aDN WHEN I LOADED UP FARCRY 4 i SAW IN rivvatuner statistics that it was only showing one GPU working and and I did not know what to do from that point on. And while playing BF4 I only saw my GPU 1 again in the upper right hand corner where as I saw other people on youtube running the same cards and they had both of their GPUS being shown.

 

[Darkbreeze]

If you don't have crossfire correctly configured and enabled, including any necessary cabling and power to both cards, as well as both cards being installed in the slots your motherboard recommends for Crossfire, then of course only one card will be working.

In crossfire, you need to only use the outputs on the card that is in slot 1, nearest to the CPU. You will need to use two different outputs from that card. In a dual card configuration, that does NOT use both GPUs for the additional performance and will NOT show both cards being used when gaming, you can use an output from each card, if two monitors is what you're using. You also need to use the x16_1 and x16_2 slots as the manual does not indicate the x16_3 slot as being supported for Crossfire configurations. It may work with a card installed there but it may not.

 

[sanjuan13]

Okay thank you for the help and that seemed to work

 

[Darkbreeze]

Anytime.