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Appendix A: Technical Information
Kelvin Resolutions and Refresh Rates
Mode #
Resolution
04
320 x 200
05
320 x 200
06
640 x 200
OD
320 x 200
OE
640 x 200
OF
640 x 350
10
640 x 350
11
640 x 480
12
640 x 480
13
320 x 200
Mode #
00
01
02
03
07
54
55
Horizontal frequencies are in kHz
Vertical frequencies are in Hz
36
Colors
4
4
2
16
16
Mono
16
2
16
256
Table 1: IBM VGA Video Graphics Modes
Resolution Colors Horz.
40 x 25
40 x 25
80 x 25
80 x 25
80 x 25
Mono
132 x 43
132 x 25
Table 2: Video Text Modes
Kelvin User's Manual
Horz.
Vert.
31.5
70
31.5
70
31.5
70
31.5
70
31.5
70
31.5
70
31.5
70
31.5
60
31.5
60
31.5
70
Vert. Polarity
16
31.5
70
16
31.5
70
16
31.5
16
31.5
31.5
16
31.5
70
16
31.5
70
Polarity
-
-
-
-
-
+
+
-
-
-
-
+
-
+
70
-
+
70
-
+
70
-
+
+
-
-
+
+
+
+
+
+
-
-
-
-
+
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