Gateway Support - Preset Modes

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Preset Modes
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The prime (test) mode is 800 × 600 @ 75 Hz (VESA).

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

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