[ubuntu] Problem with xorg / xrandr to set screen resolution

Code:

xrandr
Screen 0: minimum 8 x 8, current 1360 x 768, maximum 16384 x 16384
DVI-I-0 discoected (normal left inverted right x axis y axis)
DVI-I-1 coected 1360x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1024x768      60.00 +
   1360x768      59.96*   59.80  
   1152x864      60.00  
   800x600       72.19    60.32    56.25  
   680x384       59.96    59.80  
   640x480       59.94  
   512x384       60.00  
   400x300       72.19  
   320x240       60.05  
HDMI-0 discoected (normal left inverted right x axis y axis)
DP-0 discoected (normal left inverted right x axis y axis)
DP-1 discoected (normal left inverted right x axis y axis)
DP-2 discoected (normal left inverted right x axis y axis)
DP-3 discoected (normal left inverted right x axis y axis)
DP-4 discoected (normal left inverted right x axis y axis)
DP-5 discoected (normal left inverted right x axis y axis)
  1680x1050_60.00 (0x1f5) 146.250MHz
        h: width  1680 start 1784 end 1960 total 2240 skew    0 clock  65.29KHz
        v: height 1050 start 1053 end 1059 total 1089           clock  59.95Hz

Code:

:/usr/share/X11/xorg.conf.d# xrandr --newmode "1680x1050_60.00"  146.25  1680 1784 1960 2240  1050 1053 1059 1089 -hsync +vsync
:/usr/share/X11/xorg.conf.d# xrandr --addmode DVI-I-0 1680x1050_60.00X Error of failed request:  BadMatch (invalid parameter attributes)
  Major opcode of failed request:  140 (RANDR)
  Minor opcode of failed request:  18 (RRAddOutputMode)
  Serial number of failed request:  45
  Current serial number in output stream:  46

Code:

Section "Monitor"
        Identifier   "Monitor0"
        VendorName   "Monitor Vendor"
        ModelName    "Monitor Model"
        HorizSync    30-82
        VertRefresh  56-76
EndSection

Code:

cat /etc/issue
Ubuntu 15.10

Code:

Section "ServerLayout"
    Identifier     "X.org Configured"
    Screen      0  "Screen0" 0 0
    InputDevice    "Mouse0" "CorePointer"
    InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
    ModulePath   "/usr/lib/xorg/modules"
    FontPath     "/usr/share/fonts/X11/misc"
    FontPath     "/usr/share/fonts/X11/cyrillic"
    FontPath     "/usr/share/fonts/X11/100dpi/:unscaled"
    FontPath     "/usr/share/fonts/X11/75dpi/:unscaled"
    FontPath     "/usr/share/fonts/X11/Type1"
    FontPath     "/usr/share/fonts/X11/100dpi"
    FontPath     "/usr/share/fonts/X11/75dpi"
    FontPath     "built-ins"
EndSection

Section "Module"
    Load  "glx"
EndSection

Section "InputDevice"
    Identifier  "Keyboard0"
    Driver      "kbd"
EndSection

Section "InputDevice"
    Identifier  "Mouse0"
    Driver      "mouse"
    Option        "Protocol" "auto"
    Option        "Device" "/dev/input/mice"
    Option        "ZAxisMapping" "4 5 6 7"
EndSection

Section "Monitor"
    Identifier   "Monitor0"
    VendorName   "Monitor Vendor"
    ModelName    "Monitor Model"
EndSection

Section "Device"
    Identifier  "Card0"
    Driver      "nvidia"
    BusID       "PCI:1:0:0"
EndSection

Section "Screen"
    Identifier "Screen0"
    Device     "Card0"
    Monitor    "Monitor0"
    SubSection "Display"
        Viewport   0 0
        Depth     1
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Depth     4
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Depth     8
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Depth     15
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Depth     16
    EndSubSection
    SubSection "Display"
        Viewport   0 0
        Depth     24
    EndSubSection
EndSection