Gateway Support - Refresh Rates

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Refresh Rates
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Resolution and refresh rate	VESA 640 480 60 Hz	VESA 640 480 72 Hz	VESA 640 480 75 Hz	VESA 800 600 60 Hz	PAL 720 576 50Hz	DVD 720 480 60 Hz	720 400 70 Hz	Unit
Pixel Timing	39.7	31.7	31.7	25.0	TBD	36.1	35.311	nSec
Horizontal visible	640	640	640	800		720	720	Dots
Horizontal total	800	832	840	1056		880	900	Dots
Horizontal right border	8	8	0	0		8	0	Dots
Horizontal front porch	8	16	16	40		8	18	Dots
Horizontal sync	96	40	64	128		96	108	Dots
Horizontal back porch	40	120	120	88		40	54	Dots
Horizontal left border	8	8	0	0		8	0	Dots
Horizontal blanking time	144	176	200	256		144	180	Dots
Vertical visible	480	480	480	600		480	400	Lines
Vertical total	525	520	500	628		525	449	Lines
Vertical bottom border	8	8	0	0		8	0	Lines
Vertical front porch	2	1	1	1		2	12	Lines
Vertical sync	2	3	3	4		2	2	Lines
Vertical back porch	25	20	16	23		25	35	Lines
Vertical top border	8	8	0	0		8	0	Lines
Vertical blanking time	29	24	20	28		29	49	Lines
Horizontal frequency	31.469	37.861	37.5	37.879		31.469	31.467	kHz
Vertical frequency	59.940	72.809	75	60.317		60.00	70.082	Hz
Vertical sync polarity	-	-	-	+		-	+	TTL
Horizontal sync polarity	-	-	-	+		-	-	TTL
Pixel clock	25.175	31.5	31.5	40.0		25.2	28.3	MHz

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