Jooyontech 770F Monitor need specifications

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I bought a second hand Jooyontech 770F computer display monitor

I’m trying to configured it under GNU/Linux (Ubuntu). Its working and auto-detected at 1024x768 / 60 Hz screen resolution but I need to set it to optimal setting of 1280x1024 / 60 Hz

I would appreciate if someone could provide me the following specs of the said monitor:

  1. Vertical sync (example: 50-75kHz)
  2. Horizontal refresh rate (example: 28-83kHz)

that is the same model of samsung samtron 77df(or 77bdf)

http://ubuntuforums.org/showthread.php?t=924816 http://www.monitor4u.co.kr/product/cont ... roduct=crt