I have a Radeon R9 270 card with the following ports:
1 x DP
1 x HDMI
2 x DVI
I can get 2 monitors working on the 3 HDMI/DVI ports in any combination I want (HDMI and 1 DVI, HDMI and the other DVI, or 2 DVI), but I cannot get 3 monitors working simultaneously. All 3 monitors will show up in Windows Screen Resolution (Win 7) and in AMD CCC, but the display can be extended to only 2 of these monitors.
All the connections are direct to corresponding ports on the monitors, no adapters.
This is independent of whether I have a monitor connected to the DisplayPort port. So I'm guessing this is some kind of hardware limitation on these cards? Or is there some workaround that would allow me to run 3 monitors on the 1xHDMI and 2xDVI ports?
From this table, it seems there should be a way to connect 3 monitors using the DVI and HDMI ports:
https://community.amd.com/thread/231248
If you scroll down on the linked page, it shows:
R9 270X/270 max displays:
3 with DVI/HDMI *1
4 using DisplayPort *1
6 with an MST hub
Since the link to the table is no longer active, I don't know what the footnote is for the 3 displays with DVI/HDMI configuration.
1 x DP
1 x HDMI
2 x DVI
I can get 2 monitors working on the 3 HDMI/DVI ports in any combination I want (HDMI and 1 DVI, HDMI and the other DVI, or 2 DVI), but I cannot get 3 monitors working simultaneously. All 3 monitors will show up in Windows Screen Resolution (Win 7) and in AMD CCC, but the display can be extended to only 2 of these monitors.
All the connections are direct to corresponding ports on the monitors, no adapters.
This is independent of whether I have a monitor connected to the DisplayPort port. So I'm guessing this is some kind of hardware limitation on these cards? Or is there some workaround that would allow me to run 3 monitors on the 1xHDMI and 2xDVI ports?
From this table, it seems there should be a way to connect 3 monitors using the DVI and HDMI ports:
https://community.amd.com/thread/231248
If you scroll down on the linked page, it shows:
R9 270X/270 max displays:
3 with DVI/HDMI *1
4 using DisplayPort *1
6 with an MST hub
Since the link to the table is no longer active, I don't know what the footnote is for the 3 displays with DVI/HDMI configuration.
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