Toshiba Libretto U100 User Manual page 202

Display Controller and Modes
Resolution
640 × 480
800 × 600
1024 × 768
1280 × 768
1280 × 1024
1600 × 1200
1920 × 1440
2048 × 1536
* Max resolution for LCD is limited upto 1280 × 768 mode.
Over 1280 × 768 (panel size) is panning mode with LCD.
The screen may not be displayed properly in high resolution mode while
running 3D applications, during DVD playback, etc. Reduce the resolution
until the screen is displayed properly in such cases.
B-4
Table 2 Video modes
LCD
colors
256/256K
256/256K
256/256K
256/256K
256/256K
(Virtual)
256/256K
(Virtual)
256/256K
(Virtual)
256/256K
(Virtual)
CRT
colors frequency (Hz)
256/256K
256/256K
256/256K
256/256K
256/256K
256/256K
256/256K
256/256K
Vertical
60
75
85
100
60
75
85
100
60
75
85
100
60
75
85
100
60
75
85
100
60
75
85
100
60
75
85
60
75
User's Manual