Asus VE258H, VE258Q manual Hdmi Supported Primary Timing, Horizontal Frequency

HDMI Supported Primary Timing

VESA Modes, Factory Preset Timing

Resolution	Refresh Rate	Horizontal Frequency
720(1440)x480i	59.94 / 60Hz	15.734 / 15.75kHz
720(1440)x480i	59.94 / 60Hz	15.734 / 15.75kHz
640x480P	59.94 / 60Hz	31.469 / 31.5kHz
720x480P	59.94 / 60Hz	31.469 / 31.5kHz
720x480P	59.94 / 60Hz	31.469 / 31.5kHz
1440x576i	50Hz	15.625kHz
1440x576i, 50Hz	50Hz	15.625kHz
720x576P, 50Hz	50Hz	31.25kHz
720x576P, 50Hz	50Hz	31.25kHz
1280x720P, 50Hz	50Hz	37.5kHz
1280x720P	59.94 / 60Hz	44.955 /45kHz
1920x1080i	50Hz	28.125kHz
1920x1080i	59.94 / 60Hz	33.716 / 33.75kHz
HDMI Supported Optional Timing
Resolution	Refresh Rate	Horizontal Frequency
1440x480P	59.94 / 60Hz	31.469 / 31.5kHz
1440x480P	59.94 / 60Hz	31.469 / 31.5kHz
1440x576P	50Hz	31.25kHz
1440x576P	50Hz	31.25kHz
1920x1080P	50Hz	56.25kHz
1920x1080P	59.94 /60Hz	67.433 / 67.5kHz

*The modes not listed in the above tables may not be supported. For optimal resolution, we recommend that you choose a mode listed in the above tables.

3-10 Chapter 3: General Instruction