Lenovo LI2241 Wide LCD Monitor - Manual (Page 16)

Addressability Refresh rate
640x350 70Hz
640x480 60Hz, 72Hz,75Hz
720x400 70Hz
800x600 56Hz, 60Hz, 72Hz, 75Hz
832x624 75Hz
1024x768 60Hz, 70Hz, 75Hz
1152x864 75Hz
1280x1024 60Hz, 70Hz, 75Hz
1366x768 60Hz
1440x900 60Hz
1600x900 60Hz, 75Hz
1680x1050 60Hz
1920x1080 60Hz