Toshiba Portege 3490CT User Manual page 249

Mode
(hex) Type
50 SVGA
Graph
52 SVGA
Graph
This table describes the display image size at different resolutions
for the internal display, an external display and simultaneous
display.
Resolution
640 x 480
800 x 600
1024 x 768
1280 x 1024
*The cropped image appears with the default setting stretch
disabled. If stretch is enabled, the image will become a full screen
one.
Grid
Resolution (pel x pel)
640 x 480 8 x 16
800 x 600 8 x 16
Internal display
only
Cropped image*
Full screen
Virtual mode
Virtual mode
Video Modes
Internal LCD
Grid
Colors (pel x pel) Colors
16M/16M 8 x 16
16M/16M 8 x 16
External display
only
Full screen
Full screen
Full screen
Full screen
249
External Monitor
Scan Freq
hor/vert
16M/16M 31.5 KHz/
60 Hz;
37.6 KHz/
75 Hz;
43.2 KHz/
85 Hz
16M/16M 37.9 KHz/
60 Hz;
46.9 KHz/
75 Hz
Simultaneous
display
Differs
Differs
Virtual mode on
internal display;
full image on
external display
Virtual mode on
internal display;
full image on
external display