Installing An External Vga Monitor - Texas Instruments Extensa 660 Series Maintenance Manual

2.4.4 Installing an External VGA Monitor

The notebook contains an external CRT port that can drive one of a variety of monitor
resolutions and colors as summarized in Table 1-9. The associated connector location
and pinouts are shown in Figure 2-7.
Use the following procedure to install an external monitor:
1. Turn off power to both the notebook and monitor.
2. Connect the 15-pin external VGA cable from the monitor to the VGA connector
on the notebook computer (refer to Figure 2-7).
3. Power up the notebook computer first; then, turn on power to the monitor.
4. Setup the notebook display mode for LCD only, simultaneous LCD and CRT
or CRT only (under Windows 95, select the Change Display Utility; under
Windows for Workgroups, use the WinMode Utility).
5. Install the correct driver, if required (refer to the Monitor Installation
Instructions supplied by the CRT vendor).
2-10 Installation
5 4 2 1
3
9 6
1 0 8 7
1 5 1 4 1 3 1 2 1 1
Figure 2-7 External VGA Pinouts
EXTERNAL VGA CONNECTOR PINOUTS
PIN SIGNAL NAME DIRECTION
1 RED VIDEO OUTPUT
2 GREEN VIDEO OUTPUT
3 BLUE VIDEO OUTPUT
4 NOT USED
5 GROUND
6 RED RETURN INPUT
7 GREEN RETURN INPUT
8 BLUE RETURN INPUT
9 NOT USED
10 GROUND
11, 12 NOT USED
13 HORIZONTAL SYNC OUTPUT
14 VERTICAL SYNC OUTPUT
15 NOT USED