HP manual E221i Model

Preset	Timing Name	Pixel Format		Horz Freq (kHz)	Vert Freq (Hz)
1	480p	720 × 480		31.469	60
2	576p	720 × 576		31.25	50
3	720p50	1280	× 720	37.5	50
4	720p60	1280	× 720	45	60
5	1080p50	1920	× 1080	56.25	50
6	1080p60	1920	× 1080	67.5	60

E221i Model

Preset	Pixel Format		Horz Freq (kHz)	Vert Freq (Hz)
1	640 × 480		31.469	59.940
2	720 × 400		31.469	70.087
3	800 × 600		37.879	60.317
4	1024	× 768	48.363	60.004
5	1280	× 720	45.00	59.94
6	1280	× 1024	63.981	60.02
7	1440	× 900	55.935	59.887
8	1600	× 900	60.00	60.00
9	1680	× 1050	65.29	59.954
10	1920	× 1080	67.50	60.00

Preset	Timing Name	Pixel Format		Horz Freq (kHz)	Vert Freq (Hz)
1	480p	720 × 480		31.469	60
2	576p	720 × 576		31.25	50
3	720p50	1280	× 720	37.5	50
4	720p60	1280	× 720	45	60
5	1080p50	1920	× 1080	56.25	50
6	1080p60	1920	× 1080	67.5	60

Recognizing Preset Display Resolutions 25