Rotary Switch Settings; Table 3-1 Standard Switch Settings - Tech Source GXTRA Series Hardware Installation

GXTRA/12 Hardware Installation -September 11, 1997

3.3.1 Rotary Switch Settings

The GXTRA has a rotary switch which selects the correct resolution
for your display. The switch is shown in Figure 3.1. There are
specific resolutions preprogrammed for each GXTRA card which
are described in detail in the tables below.
Figure 3.1 Resolution Switch
Table 3-1 through Table 3-6 shows the various switch settings.

Table 3-1 Standard Switch Settings

Switch
0 Sense bits; default
1152 x 900 @ 66 Hz
1 640 x 480 @ 60 Hz
2 1024 x 768 @ 60 Hz
3 1152 x 900 @ 66 Hz
4 1152 x 900 @ 76 Hz
5 1280 x 1024 @ 60 Hz
6 1280 x 1024 @ 67 Hz
7 1280 x 1024 @ 72 Hz
8 1280 x 1024 @ 76 Hz
9 1536 x 1152 @ 66 Hz
A 1600 x 1280 @ 60 Hz
B 1600 x 1280 @ 76 Hz
C 1024 x 768 @ 70 Hz
D 1024 x 768 @ 76 Hz
E Reserved
F Reserved
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The switch can be changed with a small screw
driver. As shipped the board is normally set to
switch position 0 which is Sun monitor
compatible mode. In this position the board will
read the sense bits from the Sun monitor in
order to determine the appropriate resolution.
Resolution GXTRA/2
Turbo
X
X
X
X
X
X
X
X
X
X
X
X
X
X
3-2
GXTRA/3
Turbo
X
X
X
X
X
X
X
X
X
X
X
X
X
X