Samsung LD190N User Manual (ENGLISH) - Page 36

Display Mode, Horizontal, Frequency, Vertical Fre, quency Hz, Pixel Clock, Sync Polarity - mac

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Specifications blank while the power LED is on. Refer to the video card manual and adjusts the screen as follows. Display Mode IBM, 640 x 350 IBM, 640 x 480 IBM, 720 x 400 MAC, 640 x 480 MAC, 832 x 624 VESA, 640 x 480 VESA, 640 x 480 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, 1360 x 768 Horizontal Frequency (kHz) 31.469 31.469 31.469 35.000 49.726 37.861 37.500 35.156 37.879 48.077 46.875 48.363 56.476 60.023 47.712 Vertical Frequency (Hz) 70.086 59.940 70.087 66.667 74.551 72.809 75.000 56.250 60.317 72.188 75.000 60.004 70.069 75.029 60.015 Pixel Clock (MHz) 25.175 25.175 28.322 30.240 57.284 31.500 31.500 36.000 40.000 50.000 49.500 65.000 75.000 78.750 85.500 Sync Polarity (H/V) Horizontal Frequency The time to scan one line connecting the right edge to the left edge of the screen horizontally is called the Horizontal Cycle and the inverse number of the Horizontal Cycle is called the Horizontal Frequency. Unit: kHz Vertical Frequency Like a fluorescent lamp, the screen has to repeat the same image many times per second to display an image to the user. The frequency of this repetition is called the Vertical Frequency or Refresh Rate. Unit: Hz

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blank while the power LED is on. Refer to the video card manual and adjusts the screen as
follows.
Display Mode
Horizontal
Frequency
(kHz)
Vertical Fre-
quency (Hz)
Pixel Clock
(MHz)
Sync Polarity
(H/V)
IBM, 640 x 350
31.469
70.086
25.175
+/-
IBM, 640 x 480
31.469
59.940
25.175
-/-
IBM, 720 x 400
31.469
70.087
28.322
-/+
MAC, 640 x 480
35.000
66.667
30.240
-/-
MAC, 832 x 624
49.726
74.551
57.284
-/-
VESA, 640 x 480
37.861
72.809
31.500
-/-
VESA, 640 x 480
37.500
75.000
31.500
-/-
VESA, 800 x 600
35.156
56.250
36.000
+/+
VESA, 800 x 600
37.879
60.317
40.000
+/+
VESA, 800 x 600
48.077
72.188
50.000
+/+
VESA, 800 x 600
46.875
75.000
49.500
+/+
VESA, 1024 x 768
48.363
60.004
65.000
-/-
VESA, 1024 x 768
56.476
70.069
75.000
-/-
VESA, 1024 x 768
60.023
75.029
78.750
+/+
VESA, 1360 x 768
47.712
60.015
85.500
+/+
Horizontal Frequency
The time to scan one line connecting the right edge
to the left edge of the screen horizontally is called the
Horizontal Cycle and the inverse number of the Hor-
izontal Cycle is called the Horizontal Frequency.
Unit: kHz
Vertical Frequency
Like a fluorescent lamp, the screen has to repeat the
same image many times per second to display an
image to the user. The frequency of this repetition is
called the Vertical Frequency or Refresh Rate. Unit:
Hz
Specifications