LXG,
1. R9 285 can only Crossfire up to 2 cards, so doubt 3rd card is active.
2. Your current side monitors will never line up with your center. Sides' PPI too high for low PPI center (& dropping sides' resolution becomes too low to match center).
3. You need to buy different sides with close PPI match to center. Then image/games will line up. These are the sides I recommend (pick 1 of 3). Full PLP layout details:
* First actually measure your center screen. Some 42" are actually 41.9", which has different PPI. These suggestions are for 42" viewable (because I think LG 42LM6200 is full 42" viewable).
* Each choice below has benefits, you must pick your favorite (via shape of sides, & whether you prefer hiding a bezel or flush screen line-up.)
* Notice "Position inner edge" line per layout, this is how you achieve perfect perceived pixel line-up.
* With Eyefinity PLP, you can have the total "hang" stated below in H-Shape form (1/2 of hang goes on top, half on bottom. More aesthetic)
* Excuse the extra code, it's for a wiki. Will be live on PLP wiki shortly... few days...
== 28-42-28 1920x1080 1280x720 ALT ==
Attachment:
Shape040ALT 1920x1080 1280x720 PLP.jpg [ 50.73 KiB | Viewed 5107 times ]
Perceived Shape: Center feels semi-wide & semi-short. Sides have slim width.
* Center
:* 42" viewable, 1920x1080 (16:9)
:* ~52.45 PPI
* Sides
:* 28" viewable, 1920x1080 (16:9) or higher 16:9
:* Use non-stock resolution: 1280x720
:* ~52.45 PPI
:* Position inner edge flush with center's bezel, remaining bezel-to-bezel.
:* Total hang past center screen: ~3.61". '''Sides hang long'''. H-shape is basically needed, which requires Supported PLP.
* Final gaming area
:* Width: ~61"
:* Height: ~20.6"
:* Resolution: 3360x1080
:* Pixel count: '''3,628,800''' (weight level 4/30)
:* Aspect ratio: 3.111111111 = 28:9, ~21:6.750, ~16:5.143
:* Perceived overall as ~52.45 PPI
:* PPI variance: ~0. '''Close match''' & minimal or no accumulated image variance. Monitors flush or near-flush.
== 30-42-30 1920x1080 1366x768 ==
Attachment:
Shape090 1920x1080 1366x768 PLP.jpg [ 45.29 KiB | Viewed 5091 times ]
Perceived Shape: Center feels semi-wide & semi-short. Sides have medium width.
* Center
:* 42" viewable, 1920x1080 (16:9)
:* ~52.45 PPI
* Sides
:* 30" viewable, 1366x768 (683:384, ~16:9)
:* ~52.24 PPI
:* Position inner edge flush or near-flush with center's bezel, remaining bezel-to-bezel.
:* Total hang past center screen: ~5.36". '''Sides hang long'''. H-shape is basically needed, which requires Supported PLP.
* Final gaming area
:* Width: ~62.8"
:* Height: ~20.6"
:* Resolution: 3456x1080
:* Pixel count: '''3,732,480''' (weight level 4/30)
:* Aspect ratio: 3.200000000 = 16:5, ~21:6.563, ~16:5.000
:* Perceived overall as ~52.45 PPI
:* PPI variance: ~0.21. '''Close match''' & minimal or no accumulated image variance. Monitors flush or near-flush.
== 29-42-29 1920x1080 1366x768 ==
Attachment:
Shape090 1920x1080 1366x768 PLP.jpg [ 45.29 KiB | Viewed 5091 times ]
Perceived Shape: Center feels semi-wide & semi-short. Sides have medium width.
* Center
:* 42" viewable, 1920x1080 (16:9)
:* ~52.45 PPI
* Sides
:* 29" viewable, 1366x768 (683:384, ~16:9)
:* ~54.04 PPI
:* Position inner edge forward of center's bezel, hugging it bit loosely & '''hiding one bezel''' (requires fairly small gap forward of center's bezel on medium-sized bezels).
:* Total hang past center screen: ~4.49". '''Sides hang long'''. H-shape is basically needed, which requires Supported PLP.
* Final gaming area
:* Width: ~61.9"
:* Height: ~20.6"
:* Resolution: 3456x1080
:* Pixel count: '''3,732,480''' (weight level 4/30)
:* Aspect ratio: 3.200000000 = 16:5, ~21:6.563, ~16:5.000
:* Perceived overall as ~52.45 PPI
:* PPI variance: ~1.59. This produces ~15mm total accumulated image variance, which falls within correctable range.
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