Toshiba Tecra M4 - Manual (Page 207)

TECRA M4 B-4
Display Controller and Modes
Table 2 Video modes (SXGA+ model)
* Only External Monitor can perform change of Vertical frequency (Hz).
Resolution LCD
colors
CRT
colors
Vertical
frequency (Hz)*
640 × 480 256/256K 256/256K 60
75
85
100
800 × 600 256/256K 256/256K 60
75
85
100
1024 × 768 256/256K 256/256K 60
75
85
100
1280 × 1024 256/256K 256/256K 60
75
85
100
1400 × 1050 256/256K 256/256K 60
75
85
100
1600 × 1200
(Virtual with LCD
only)
256/256K 256/256K 60
75
85
100
1920 × 1440
(Virtual with LCD
only)
256/256K 256/256K 60
75
85
2048 × 1536
(Virtual with LCD
only)
256/256K 256/256K 60
75
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.