xrandr --verbose
Screen 0: minimum 320 x 200, current 6528 x 1295, maximum 8192 x 8192
VGA-0 connected 1280x1024+0+56 (0x50) normal (normal left inverted right x axis y axis) 340mm x 270mm
    Identifier: 0xab
    Timestamp:  326178
    Subpixel:   no subpixels
    Gamma:      1.0:1.0:1.0
    Brightness: 1.0
    Clones:
    CRTC:       0
    CRTCs:      0 1
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter:
    EDID:
        00ffffffffffff0022f05c2601010101
        1e0f010368221b8cee5e50a6544c9926
        145054adef8081800101010101010101
        010101010101302a009851002a403070
        1300540e1100001e000000fd00324c1e
        530e000a202020202020000000fc0048
        50204c313730360a20202020000000ff
        00434e43353330315957590a2020008c
    load detection: 1 (0x00000001)    range:  (0,1)
  1280x1024 (0x50)  108.0MHz +HSync +VSync *current +preferred
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock   64.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   60.0Hz
</snip>
HDMI-0 connected 1920x1080+1280+0 (0xaf) normal (normal left inverted right x axis y axis) 521mm x 293mm
    Identifier: 0xac
    Timestamp:  326178
    Subpixel:   horizontal rgb
    Gamma:      1.0:1.0:1.0
    Brightness: 1.0
    Clones:
    CRTC:       1
    CRTCs:      0 1
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter:
    EDID:
        00ffffffffffff0026cd0d5601010101
        2b14010381341e782aeed5a555489b26
        125054bfef80b300a9409500818f8180
        950f714f81c0023a801871382d40582c
        450009252100001e000000ff00313130
        30313034333030393834000000fd0037
        4c1d5111000a202020202020000000fc
        00504c45323430374844530a20200019
    underscan vborder: 0 (0x00000000)    range:  (0,128)
    underscan hborder: 0 (0x00000000)    range:  (0,128)
    underscan:    off
        supported: off          on           auto
    coherent: 1 (0x00000001)    range:  (0,1)
  1920x1080 (0xaf)  148.5MHz +HSync +VSync *current +preferred
        h: width  1920 start 2008 end 2052 total 2200 skew    0 clock   67.5KHz
        v: height 1080 start 1084 end 1089 total 1125           clock   60.0Hz
</snip>
VGA-2 connected 1024x768+3200+312 (0x45) normal (normal left inverted right x axis y axis) 300mm x 230mm
    Identifier: 0x74
    Timestamp:  326178
    Subpixel:   no subpixels
    Gamma:      1.0:1.0:1.0
    Brightness: 1.0
    Clones:     DVI-1
    CRTC:       2
    CRTCs:      2 3
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter:
    EDID:
        00ffffffffffff00225402152d080000
        100c0101081e1700e8d1eca05a4a9824
        164d53bfee0031404540614001010101
        010101010101000000fc004865726375
        6c65730a20202020000000fd00374b1e
        3d08000a202020202020000000fc0020
        50726f70686574766965770a000000fc
        00203732300a20202020202020200051
    load detection: 1 (0x00000001)    range:  (0,1)
  1024x768 (0x45)   78.8MHz +HSync +VSync *current
        h: width  1024 start 1040 end 1136 total 1312 skew    0 clock   60.1KHz
        v: height  768 start  769 end  772 total  800           clock   75.1Hz
</snip>
DVI-1 disconnected (normal left inverted right x axis y axis)
    Identifier: 0x75
    Timestamp:  326178
    Subpixel:   horizontal rgb
    Clones:     VGA-2
    CRTCs:      2 3
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter:
    load detection: 1 (0x00000001)    range:  (0,1)
VGA-1 connected 1024x768+4224+312 (0x45) normal (normal left inverted right x axis y axis) 30mm x 22mm
    Identifier: 0x41
    Timestamp:  326178
    Subpixel:   no subpixels
    Gamma:      1.0:1.0:1.0
    Brightness: 1.0
    Clones:
    CRTC:       4
    CRTCs:      4 5
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter:
    EDID:
        00ffffffffffff0009ad370245e80100
        210c0101081e1864e81726a061589a2e
        275439adce0000000000000000000000
        000000000000c31e0020410020301060
        13001e1600000000000000fc00353637
        00000031354c000a2000000000fd003c
        4b1f3c0800001e1600000000000000fe
        00465a574a32383031323439393700ac
    load detection: 1 (0x00000001)    range:  (0,1)
  1024x768 (0x45)   78.8MHz +HSync +VSync *current
        h: width  1024 start 1040 end 1136 total 1312 skew    0 clock   60.1KHz
        v: height  768 start  769 end  772 total  800           clock   75.1Hz
</snip>
DIN disconnected (normal left inverted right x axis y axis)
    Identifier: 0x42
    Timestamp:  326178
    Subpixel:   no subpixels
    Clones:
    CRTCs:      4 5
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter:
    tv standard:    ntsc
        supported: ntsc         pal          pal-m        pal-60
                   ntsc-j       scart-pal    pal-cn       secam
    load detection: 1 (0x00000001)    range:  (0,1)
DVI-0 connected 1280x1024+5248+271 (0x51) normal (normal left inverted right x axis y axis) 338mm x 270mm
    Identifier: 0x43
    Timestamp:  326178
    Subpixel:   horizontal rgb
    Gamma:      1.0:1.0:1.0
    Brightness: 1.0
    Clones:
    CRTC:       5
    CRTCs:      4 5
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter:
    EDID:
        00ffffffffffff003aac010001000000
        0610010308221b00ca0b329c5a4d8c26
        204e57afcf0081800101010101010101
        010101010101302a009851002a403070
        1300520e1100001e000000fe000a2020
        20202020202020202020000000fe000a
        202020202020202020202020000000fc
        000a20202020202020202020202000ec
    load detection: 1 (0x00000001)    range:  (0,1)
    underscan vborder: 0 (0x00000000)    range:  (0,128)
    underscan hborder: 0 (0x00000000)    range:  (0,128)
    underscan:    off
        supported: off          on           auto
    coherent: 1 (0x00000001)    range:  (0,1)
  1280x1024 (0x50)  108.0MHz +HSync +VSync +preferred
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock   64.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   60.0Hz
  1280x1024 (0x51)  135.0MHz +HSync +VSync *current
        h: width  1280 start 1296 end 1440 total 1688 skew    0 clock   80.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   75.0Hz
</snip>