VESA Signal 1280 x 1024 @ 75 Hz timing

General timing

Screen refresh rate	75 Hz
Vertical refresh	79.976303317536 kHz
Pixel freq.	135.0 MHz

Horizontal timing (line)

Polarity of horizontal sync pulse is positive.

Scanline part	Pixels	Time [µs]
Visible area	1280	9.4814814814815
Front porch	16	0.11851851851852
Sync pulse	144	1.0666666666667
Back porch	248	1.837037037037
Whole line	1688	12.503703703704

Vertical timing (frame)

Polarity of vertical sync pulse is positive.

Frame part	Lines	Time [ms]
Visible area	1024	12.803792592593
Front porch	1	0.012503703703704
Sync pulse	3	0.037511111111111
Back porch	38	0.47514074074074
Whole frame	1066	13.328948148148