HP L1940 T 19-inch LCD monitor

  • model: HP L1940T LCD monitor
  • type: TFT LCD
  • size: 19-inch (48.3 cm)
  • inputs: VGA, DVI-D
  • resolution: 1280 x 1024 @ 75 Hz (analog and digital modes)
  • text mode: 720 x 400
  • horizontal frequency (analog mode): 30 - 83 kHz
  • vertical refresh rate (analog mode): 56 - 76 Hz
  • dot pitch: 0.264 x 0.264 mm
  • adjustments, height, swivel tilt, and portrait mode

  • other: usb hub, one USB 2.0 upstream port, two USB 2.0 downstream ports

  • weight: 8.4 kg

  • power source: 100 - 240 VAC, 50 - 60 Hz
  • power consumption: < 70 W typical

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History

2017-04-22: input VGA tested. I connected the VGA input to my Toshiba Satellite laptop, running Fedora, and configured display for "extend to right".

[tingo@localhost ~]$ xrandr
Screen 0: minimum 8 x 8, current 3200 x 1080, maximum 32767 x 32767
eDP1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 290mm x 170mm
   1920x1080     59.93*+  48.00  
   1400x1050     59.98  
   1600x900      60.00  
   1280x1024     60.02  
   1280x960      60.00  
   1368x768      60.00  
   1280x720      60.00  
   1024x768      60.00  
   1024x576      60.00  
   960x540       60.00  
   800x600       60.32    56.25  
   864x486       60.00  
   640x480       59.94  
   720x405       60.00  
   640x360       60.00  
DP1 connected 1280x1024+1920+0 (normal left inverted right x axis y axis) 380mm x 300mm
   1280x1024     60.02*+  75.02  
   1152x864      75.00  
   1024x768      75.03    70.07    60.00  
   832x624       74.55  
   800x600       72.19    75.00    60.32  
   640x480       75.00    72.81    59.94  
   720x400       70.08  
DP2 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)

It is shown here as DP1 (eDP1 is the internal laptop monitor). So, VGA works, and the image on the LCD monitor is ok. The display doesn't rotate automatically when I pivot it, but I can run

[tingo@localhost ~]$ xrandr --output DP1 --rotate left

after pivoting it (to portrait mode)

[tingo@localhost ~]$ xrandr
Screen 0: minimum 8 x 8, current 2944 x 1280, maximum 32767 x 32767
eDP1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 290mm x 170mm
   1920x1080     59.93*+  48.00  
   1400x1050     59.98  
   1600x900      60.00  
   1280x1024     60.02  
   1280x960      60.00  
   1368x768      60.00  
   1280x720      60.00  
   1024x768      60.00  
   1024x576      60.00  
   960x540       60.00  
   800x600       60.32    56.25  
   864x486       60.00  
   640x480       59.94  
   720x405       60.00  
   640x360       60.00  
DP1 connected 1024x1280+1920+0 left (normal left inverted right x axis y axis) 380mm x 300mm
   1280x1024     60.02*+  75.02  
   1152x864      75.00  
   1024x768      75.03    70.07    60.00  
   832x624       74.55  
   800x600       72.19    75.00    60.32  
   640x480       75.00    72.81    59.94  
   720x400       70.08  
DP2 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)

and set

[tingo@localhost ~]$ xrandr --output DP1 --rotate normal

to get back to normal again. Very good.

2017-04-22: Every time there is a "dugnad" people discard lots of stuff. Electrical stuff gets collected and driven to recycling on a later day. This year, on spring "dugnad" I had an old non-working LCD monitor that I discarded, and found the L1940T in the pile of discarded objects. It looked ok, so I took it in and tested it. power works, VGA, DVI-D, usb hub.