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• Setting for Display Type (bit 6 and bit 7)
These bits determine the type of display on the screen.
DDDDD~~C
°ODDDD~~D
1
2
3 4 5
6
7
8
1 2 3 4 5 6 7 8
No display
80
x
25
Color mode
DDDDD~~D
DDDDD~~D
1 2 3 4 5 6 7 8
1
2 3 4
5
6
7
8
40
x
25
Monochrome
Color mode
mode
Figure 4-11
• Setting for Number of FDD (bit 8)
This bit should be correctly set according to the number of the floppy disk drive.
DDDDDDD~
DDDDDDD~
1
2
3
4
5
6
7
8
1 2 3 4 5 6 7 8
1 drive
2 drives
Figure 4-12
• S2 (6 elements)
Bit
Function
1
For RS-232C interface
\
2
For printer interface
3
Not used
4
For RS-232C interface
5
For printer interface
6
Not used (should always be off)
Table 4-2
The A-200 is equipped with the RS-232C interface and the printer interface on the main P.C.B.,
however, an extra interface board can also be used by resetting the elements of this DIP switch.
• Settings for Additional RS-232C Board (bit 1 and bit 4)
ON
ON
~DD~DD
~DD~DD
1
2
3
4
5
6
1
2
3
4
5
6
Internal
External
Figure 4-13
31
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