User guide

3-13
ASUS LCD Monitor PB278 Series
VESA Modes, User Available Timing
Resolution Refresh Rate Horizontal Frequency
848x480 60Hz 31.02
1280x720(RB) 60Hz 44.444kHz
1280x720
60Hz
44.772kHz
1280x720 75Hz
56.456kHz
1280x768(RB) 60Hz 47.396kHz
1280x800(RB) 60Hz 49.306kHz
1280x800 60Hz 49.702kHz
1280x800 75Hz 62.795kHz
1366x768 60Hz
47.712kHz
1440x900(RB)
60Hz 55.469kHz
1440x900 75Hz 70.635kHz
1680x1050(RB) 60Hz 64.674kHz
1920x1080 60Hz 66.587kHz
WQHD Mode (DVI (dual link), HDMI and DP only)
2560x1440
60Hz 88.787kHz
* While the PB278Q supports up to 2560 x 1440 WQHD resolutions including DVI-dual link,
HDMI and DisplayPort, some graphics cards only support up to 1920 x 1200 resolution content
transmission via HDMI. Please check with your local distributor or retailer on the hardware
limitations of your laptop or desktop.
SD/HD Timings (HDMI input only)
HDMI 1.3,CEA-861B Formats, SD/HD Supported Primary Timings of (HDMI input only)
Resolution Refresh Rate Horizontal Frequency
640x480P 59.94 / 60Hz 31.469 / 31.5kHz
720x480P 59.94 / 60Hz 31.469 / 31.5kHz
720x576P 50Hz 31.25kHz
1280x720P 50Hz 37.5kHz
1280x720P 59.94 / 60Hz 44.955 /45kHz
1920x1080i 50Hz 28.125kHz
1920x1080i 59.94 / 60Hz 33.716 / 33.75kHz
HDMI 1.3,CEA-861B Formats, SD/HD Supported Optional Timings of (HDMI input only)
Resolution Refresh Rate Horizontal Frequency
1440x480P 59.94 / 60Hz 31.469 / 31.5kHz
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.