IBM ThinkVision L200p, Service Manual

Page: 4 / 36

TIMING CHART
- 4 -
VIDEO
SYNC
B
D
C
F
E
A
<< Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >>
H + 31.47 800 640 16 96 48
V – 70.09 449 350 38 2 60
Mode
H/V
Sort
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
25.175
25.175
31.5
36.0
28.324
40.0
49.5
56.25
57.283
65.0
78.75
94.5
100.0
92.978
108.0
135.0
162
(Analog only)
202.50
(Analog only)
130
(Digital only)
640x350
70Hz
H – 31.47 800 640 16 96 48
V – 59.94 525 480 10 2 33
640x480
60Hz
H – 37.5 840 640 16 64 120
V – 75 500 480 1 3 16
640x480
75Hz
H – 43.27 832 640 56 56 80
V – 85.01 509 480 1 3 25
640x480
85Hz
H – 31.47 900 720 18 108 54
V + 70.08 449 400 13 2 34
720x400
70Hz
H + 37.88 1056 800 40 128 88
V + 60.32 628 600 1 4 23
800x600
60Hz
H + 46.88 1056 800 16 80 160
V + 75.0 625 600 1 3 21
800x600
75Hz
H + 53.67 1048 800 32 64 152
V + 85.06 631 600 1 3 27
800x600
85Hz
H – 49.72 1152 832 32 64 224
V – 74.55 667 624 1 3 39
832x624
75Hz
H – 48.36 1344 1024 24 136 160
V – 60.0 806 768 3 6 29
1024x768
60Hz
H + 60.02 1312 1024 16 96 176
V + 75.03 800 768 1 3 28
1024x768
75Hz
H + 68.68 1376 1024 48 96 208
V + 85.0 808 768 1 3 36
1024x768
85Hz
H – 68.68 1456 1152 32 128 144
V – 75.06 915 870 3 3 39
1152x870
75Hz
H +/– 61.80 1504 1152 18 134 200
V +/– 65.96 937 900 2 4 31
1152x900
65Hz
H + 63.98 1688 1280 48 112 248
V + 60.02 1066 1024 1 3 38
1280x1024
60Hz
H + 79.98 1688 1280 16 144 248
V + 75.02 1066 1024 1 3 38
1280x1024
75Hz
H + 75.0 2160 1600 64 192 304
V + 60.00 1250 1200 1 3 46
1600x1200
60Hz
H + 93.75 2160 1600 64 192 304
V + 75.00 1250 1200 1 3 46
1600x1200
75Hz
H + 74.97 1734 1600 20 90 24
V + 61.2 1225 1200 1 3 21
1600x1200
60Hz
Sync
Polarity
Frequency
Dot
Clock
Total Period
(E)
Video Active Time
(A)
Sync Duration
(D)
Back Porch
(F)
Front Porch
(C)
Resolution