IBM 600 User Manual
Video Subsystem
The video subsystem consists of the XGA video controller, which
inteprets the monitor buffer. The video subsystem supports an IBM
thin-film transistor (TFT) or High Performance Addressing (HPA) as
follows:
inteprets the monitor buffer. The video subsystem supports an IBM
thin-film transistor (TFT) or High Performance Addressing (HPA) as
follows:
The video subsystem also supports PS/2 analog displays without any
additional adapters.
additional adapters.
LCD
Type
Type
VRAM
Size
Size
Color Depth
Resolution
On the
LCD
LCD
On the
External
Monitor
External
Monitor
On the
LCD
LCD
On the
External
Monitor
External
Monitor
XGA TFT
XGA HPA
2 MB
65,536
16,777,216
1024
×
768
640
×
480
800
×
600
1024
×
768
Color
Resolution
65,536 colors
640
×
480
800
×
600
1024
×
768
16,777,216 colors
640
×
480
800
×
600
3-2 Subsystems