LG BL450Y 22" Desktop Monitor (White) - Manual (Page 27)

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factory Support mode (preset mode, pC)
HDmI/Dp(Displayport)
preset mode Horizontal frequency (kHz) Vertical frequency (Hz) polarity (H/V) remarks
640 x 480 31.469 59.94 -/-
800 x 600 37.879 60.317 +/+
1024 x 768 48.363 60 -/-
1280 x 720 45 60 +/+
1280 x 800 49.702 59.81 -/+
1280 x 1024 63.981 60.023 +/+
1680 x 1050 65.29 59.954 -/+
1920 x 1080 67.5 60 +/+ recommend Mode
1920 x 1080 83.894 74.973 +/- (for HDMI only)