Specifications

CHAPTER 3
I/O Features
34 Built-in Video
External Video Monitors 3
The computer can work with several sizes of external video monitors. Table 3-10 shows
the monitor types supported and the maximum pixel depths available. The pixel depth
determines the maximum number of colors that can be displayed. The maximum pixel
depth available depends on the size of the monitor’s screen.
5 GRN.VID Green video signal
6 GRN.GND Green video ground
7 SENSE1 Monitor sense signal 1
9 BLU.VID Blue video signal
10 SENSE2 Monitor sense signal 2
11 GND CSYNC and VSYNC ground
12 /VSYNC Vertical synchronization signal
13 BLU.GND Blue video ground
14 HSYNC.GND HSYNC ground
15 /HSYNC Horizontal synchronization signal
Shell SGND Shield ground
Table 3-10 Maximum pixel depths for video monitors
Monitor type
Screen
size,
in pixels
Maximum
pixel depth, in
bits per pixel
Maximum number of
colors displayed
12-inch color 512 by 384 16 32,768
14-inch color 640 by 480 16 32,768
15-inch multiscan 800 by 600 16 32,768
17-inch multiscan 1024 by 768 8 256
VGA 640 by 480 8 256
SVGA 800 by 600 16 256
EVGA 1024 by 768 8 256
16-inch color 832 by 624 8 256
Table 3-9 Pin assignments for the external video connector (continued)
Pin number Signal name Description