IBM T56A, 72H9623, 9483 system manual A13, Factory Preset Modes

Factory Preset Modes

			Mode8	Mode9	Mode10	Mode11	Mode12	Mode13	Mode14	Symbol
H	Polarity		+	+	+	-	-	-	+
	Frequency	kHz	37.879	48.077	46.875	49.725	48.363	56.476	60.023
O
R
	Total Period	pixels	1056	1040	1056	1152	1344	1328	1312	E
I
	Data Period	pixels	800	800	800	832	1024	1024	1024	A
Z
O
	Blanking	pixels	256	240	256	320	320	304	288	B
N
	Front Porch	pixels	40	56	16	32	24	24	16	C
T
A	Pulse Width	pixels	128	120	80	64	136	136	96	D
L
	Back Porch	pixels	88	64	160	224	160	144	176	F
V	Polarity		+	+	+	-	-	-	+
	Frequency	Hz	60.3	72.188	75.0	74.55	60.0	70.0	75.0
E
R
	Total Period	lines	628	666	625	667	806	806	800	E
T
	Data Period	lines	600	600	600	624	768	768	768	A
I
C	Blanking	lines	28	66	25	43	38	38	32	B
A
	Front Porch	lines	1	37	1	1	3	3	1	C
L
	Pulse Width	lines	4	6	3	3	6	6	3	D
	Back Porch	lines	23	23	21	39	29	29	28	F
	Resolution		800	800	800	832	1024	1024	1024
			x600	x600	x600	x624	x768	x768	x768
						(MAC)
	Recall		YES	YES	YES	YES	YES	YES	YES

Note : Timings are as detailed in VESA “Display Monitor Timing Specification”. Version 1.0, Revision 0.7, Dated 12/18/96.

A13