Video Memory; Video; Video Ram Configuration; Video Hardware Specification - Acer 390 Series Service Manual

1.4.9

Video Memory

Table 1-10

Video RAM Configuration

DRAM or VRAM
Fixed or upgradeable
Memory size/configuration
Memory speed
Memory voltage
Memory package
1.4.10

Video

Table 1-11

Video Hardware Specification

Item
Video chip
Working voltage
1.4.10.1 External CRT Resolution Support
Table 1-12

Supported External CRT Resolutions

Resolution x Color on
External CRT
640x480x16
640x480x256
640x480x65,536
640x480x16,777,216
800x600x16
800x600x256
800x600x65,536
800x600x16,777,216
1024x768x16
1024x768x256
1024x768x65536
1280x1024x16
1280x1024x256
System Introduction
Item
C&T65555
3.3V
CRT Refresh Rate
CRT only
60,75,85
60,75,85
60,75,85
60,75,85
56,60,75,85
56,60,75,85
56,60,75,85
56,60,75,85
60,75,85,86I
60,75,85,86I
60,75,85,86I
60,75,86I
60,75,86I
DRAM(EDO type)
Fixed
2MB (256K x 16 x 4pcs)
50ns
3.3V
TSOP
Specification
Simultaneous on
Simultaneous
60
60
60
60
60
60
60
60
60
60
60
60
60
Specification
Simultaneous on
TFT LCD
SVGA
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
STN LCD
SVGA
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
1-13