Lenovo LI2221s Wide Flat Panel Monitor - Manual (Page 19)

Chapter 2.
2-8
Table 2-3. Factory set display modes
Address ability Refresh rate
NTSC 60 Hz
PAL 50 Hz
640 x 350 70 Hz
720 x 400 70 Hz
640 x 480 60 Hz, 72 Hz, 75 Hz
800 x 600 56 Hz, 60 Hz, 72 Hz, 75 Hz
832 x 624 75 Hz
1024 x 768 60 Hz, 70 Hz, 75 Hz
1152 x 864 75 Hz
1280 x 1024 60 Hz, 70 Hz, 75 Hz
1366 x 768 60 Hz
1440 x 900 60 Hz
1600 x 900 60 Hz
1680 x 1050 60 Hz
1920 x 1080 60 Hz