Dell 2005FPW Service Manual - Page 7

Timing Chart - resolution

Page 7 highlights

VIDEO SYNC TIMING CHART B A C E F D > Mode 1 2 3 4 5 6 7 8 H/V Sync Dot Sort Polarity Clock Total Period Video Active Time Frequency (E) (A) H - 28.321 31.468 900 720 V+ 70.08 449 400 H - 25.175 31.469 800 640 V- 59.94 525 480 H- 31.5 37.5 840 640 V- 75 500 480 H+ 37.879 1056 800 40.0 V+ 60.317 628 600 H+ V+ H- V- 49.5 65.0 46.875 75.0 48.363 60.0 1056 625 1344 806 800 600 1024 768 H- 60.123 V - 78.75 75.029 1312 800 1024 768 H +/- 67.500 V +/- 108.0 75.000 1600 900 1152 864 Front Porch (C) 18 12 16 10 16 1 40 1 16 1 24 3 16 1 64 1 Sync Duration (D) 108 2 96 2 64 3 128 4 80 3 136 6 96 3 128 3 Back Porch (F) 54 35 48 33 120 16 88 23 160 21 160 29 176 28 256 32 Resolution 720x400 70Hz 640x480 60Hz 640x480 75Hz 800x600 60Hz 800x600 75Hz 1024x768 60Hz 1024x768 75Hz 1152x864 75Hz H+ 63.981 1688 1280 48 9 108.0 V+ 60.02 1066 1024 1 112 3 248 1280x1024 38 60Hz H+ 79.976 1688 1280 16 10 135.0 V+ 75.035 1066 1024 1 144 3 248 1280x1024 38 75Hz H- 65.920 2240 1680 104 11 V + 146.25 59.954 1089 1050 3 176 6 280 1680x1050 30 60Hz -7-

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TIMING CHART
- 7 -
VIDEO
SYNC
B
D
C
F
E
A
<<
Dot Clock
(MHz),
Horizontal Frequency
(kHz)
, Vertical Frequency
(Hz)
, Horizontal etc...
(μs)
,
Vertical etc...
(ms) >>
H
+
37.879
1056
800
40
128
88
V
+
60.317
628
600
1
4
23
H
31.469
800
640
16
96
48
V
59.94
525
480
10
2
33
H
37.5
840
640
16
64
120
V
75
500
480
1
3
16
H
31.468
900
720
18
108
54
V
+
70.08
449
400
12
2
35
H
+
46.875
1056
800
16
80
160
V
+
75.0
625
600
1
3
21
H
48.363
1344
1024
24
136
160
V
60.0
806
768
3
6
29
H
60.123
1312
1024
16
96
176
V
75.029
800
768
1
3
28
H
+/
67.500
1600
1152
64
128
256
V
+/
75.000
900
864
1
3
32
H
+
63.981
1688
1280
48
112
248
V
+
60.02
1066
1024
1
3
38
H
+
79.976
1688
1280
16
144
248
V
+
75.035
1066
1024
1
3
38
H
65.920
2240
1680
104
176
280
V
+
59.954
1089
1050
3
6
30
Mode
H/V
Sort
1
2
3
4
5
6
7
8
9
10
11
28.321
25.175
31.5
40.0
49.5
65.0
78.75
108.0
108.0
135.0
146.25
800x600
60Hz
640x480
60Hz
640x480
75Hz
720x400
70Hz
800x600
75Hz
1024x768
60Hz
1024x768
75Hz
1152x864
75Hz
1280x1024
60Hz
1280x1024
75Hz
1680x1050
60Hz
Sync
Polarity
Frequency
Dot
Clock
Total Period
(E)
Video Active Time
(A)
Sync Duration
(D)
Back Porch
(F)
Front Porch
(C)
Resolution