Timing

Parameter

VESA

640

480

60Hz

VESA

640

480

75 Hz

DOS

720

400

70Hz

VESA

800

600

60 Hz

VESA

800

600

75Hz

VESA

1024

768

60Hz

VESA

1024

768

75Hz

Units

Pixel Timing

39.7

31.7

35.28

25.0

20.2

15.4

12.7

nSec

Horiz. Visible

640

640

720

800

800

1024

1024

Dots

Horiz. Total

800

840

900

1056

1056

1344

1312

Dots

Horiz. Front Porch

8

16

18

40

16

24

16

Dots

Horiz. Sync

96

64

108

128

80

136

96

Dots

Horiz. Back Porch

40

120

54

88

160

160

176

Dots

Vert. Visible

480

480

400

600

600

768

768

Lines

Vert. Total

525

500

449

628

625

806

800

Lines

Vert. Front Porch

2

1

12

1

1

3

1

Lines

Vert. Sync

2

3

2

4

3

6

3

Lines

Vert. Back Porch

25

16

35

23

21

29

28

Lines

Horiz. Frequency

31.469

37.5

31.47

37.879

46.875

48.363

60.023

kHz

Vert. Frequency

59.940

75

70

60.317

75

60.004

75.029

Hz

Vert. Sync Polarity

-

-

+

+

+

-

+

TTL

Horiz. Sync Polarity

-

-

-

+

+

-

+

TTL