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Mini DP to VGA

Either a passive adapter (such as Apple's one) or an active adapter (such as the Startech MDP2VGA).

Remember you can only have a maximum of 2 "legacy" connections (DVI/HDMI/VGA/passive DP adapter), so if you're aready using the 7990's DVI slot, you can get away with a passive DP-VGA adapter but then all other screens will need to be on active adapters.

I've got one of the Startech MDP2VGA adapters and it worked brilliantly for running the fourth screen on my 7970 until I changed it for a DVI monitor.
 
Ah thanks.

I have an ASUS 27inch IPS as my main centre screen and 2 older HP 23 inchers VGA as the side screens.

The ASUS IPS is connected via mini DP - Normal DP - screen
One VGA is connected via the DV-I with an adapter.
So the 2nd VGA I one could use a mini DP - VGA passive adapter ?

Next question.

With my setup, would it be possible to use a 3 screen desktop eyefinity or what ever AMD's one is ?

ASUS upto 2540 and 2 x HP upto 1600x1050 modes
 
At the moment your only "legacy" connection used is the DVI-I to VGA, so yes - you can choose either a passive or active adapter for the remaining screen.

You will be fine to run the three screens as Extended desktops, each at their native resolution. If you activate Eyefinity (so Windows "sees" one big screen and hence games run across all 3), each monitor needs to run the same resolution. This works on a lowest common denominator, so each of your screens will need to run 1600x1050, which obviously is going to stretch the image on your larger screen.

For the past couple of years I've been running 1920x1080 (24") + 1920x1200 (26") + 1920x1080 (24"). When playing games, my centre screen was stretched 10% vertically so everyone was a little thinner and skinnier than they should be. Nobody else ever noticed, but I knew it was there, so I've recently bought another 24" to put in the middle (and moved the 26" to the side for if I play single screen games). Try running your larger screen in a game at 1600x1050 and see if you're going to be happy with it or if it'll bug you.
 
Confused Stu said:
At the moment your only "legacy" connection used is the DVI-I to VGA, so yes - you can choose either a passive or active adapter for the remaining screen.

You will be fine to run the three screens as Extended desktops, each at their native resolution. If you activate Eyefinity (so Windows "sees" one big screen and hence games run across all 3), each monitor needs to run the same resolution. This works on a lowest common denominator, so each of your screens will need to run 1600x1050, which obviously is going to stretch the image on your larger screen.

For the past couple of years I've been running 1920x1080 (24") + 1920x1200 (26") + 1920x1080 (24"). When playing games, my centre screen was stretched 10% vertically so everyone was a little thinner and skinnier than they should be. Nobody else ever noticed, but I knew it was there, so I've recently bought another 24" to put in the middle (and moved the 26" to the side for if I play single screen games). Try running your larger screen in a game at 1600x1050 and see if you're going to be happy with it or if it'll bug you.
Click to expand...

Top advice there and thanks. Just ordered one of the adapters Startech MDP2VGA that you mentioned.

Ultimately, I need to swap out these two old vga screens for 1080p screens with DP connectors.

Thanks again.
 
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