Samsung SyncMaster 171B, 171S, 181B, 171T, 171Q User Manual page 67

Specifications
Preset Timing Modes (SyncMaster 171B)
If the signal transferred from the computer is the same as the following Preset Timing Modes, the screen will be
adjusted automatically. However, if the signal differs, the screen may go blank while the power LED is on.
Refer to the video card manual and adjust the screen as follows.
Table 1. Preset Timing Modes
Display Mode
IBM, 640 x 350
IBM, 640 x 480
IBM, 720 x 400
VESA, 640 x 480
VESA, 640 x 480
VESA, 640 x 480
MAC., 640 x 480
MAC., 832 x 624
VESA, 800 x 600
VESA, 800 x 600
VESA, 800 x 600
VESA, 800 x 600
VESA, 800 x 600
VESA, 1024 x 768
VESA, 1024 x 768
VESA, 1024 x 768
VESA, 1024 x 768
VESA, 1280 x 1024
VESA, 1280 x 1024
SUN, 1280 x 1024
Horizontal
Frequency
(kHz)
31.469 70.086
31.469 59.940
31.469 70.087
37.500 75.000
37.861 72.809
43.269 85.008
35.000 66.667
49.726 74.551
35.156 56.250
37.879 60.317
46.875 75.000
48.077 72.188
53.674 85.061
48.363 60.004
56.476 56.476
60.023 75.029
68.677 84.997
63.981 60.020
79.976 75.025
81.129 76.106
Vertical
Frequency
(Hz)
25.175
25.175
28.322
31.500
31.500
36.000
30.240
57.284
36.000
40.000
49.500
50.000
56.250
65.000
75.000
78.750
94.500
108.00
135.00
135.00
User's Manual
Pixel Clock Sync Polarity
(MHz)
-/-
-/-
-/+
-/-
-/-
-/-
-/-
-/-
+,-/+,-
+/+
+/+
+/+
+/+
-/-
-/-
+/+
+/+
+/+
+/+
-/-
(H/V)