IBM 770 Manual De Usuario
Video Subsystem
The video subsystem consists of the XGA video controller and video
random-access memory (VRAM). The video subsystem supports an
IBM thin-film transistor (TFT) as follows:
random-access memory (VRAM). The video subsystem supports an
IBM thin-film transistor (TFT) as follows:
The video subsystem also supports PS/2 analog displays without any
additional adapters.
additional adapters.
Note: Use of any video subsystem features not documented in this
book can result in future incompatibility.
LCD
Type
Type
VRAM
Size
Size
Color Depth
Resolution
On the
LCD
LCD
On the
External
Display
External
Display
On the
LCD
LCD
On the
External
Display
External
Display
XGA TFT
2 MB
65,536
16,777,216
1024
×
768
640
×
480
800
×
600
1024
×
768
1280
×
1024
1600
×
1200
Color
Resolution
65,536 colors
640
×
480
800
×
600
1024
×
768
16,777,216 colors
640
×
480
800
×
600
3-2 Subsystems