System Board
1-17
Follow these steps to upgrade the VGA RAM:
1.
Locate the VGA memory expansion sockets on the system board.
The sockets are marked U26 and U27 on the board. .
2.
Gently but firmly insert a 514260 DRAM (256 Kb x 16, 60-ns SOJ)
chip into each of the VGA memory expansion sockets.
1.8.2
Supported Video Resolutions
The following table lists the video resolutions that the system supports:
Table 1-10
Video Resolutions
Display Resolution
Refresh
Rate
Horizontal
Frequency (KHz)
Pixel Clock
(MHz)
640 x 480
60
31.4
25.2
640 x 480
72
37.7
31.2
640 x 480
75
37.5
31.2
640 x 480
90
47.9
39.9
640 x 480
100
52.9
44.9
800 x 600
48
int.
33.8
36.0
800 x 600
56
35.1
36.0
800 x 600
60
37.8
40.0
800 x 600
70
44.5
44.9
800 x 600
72
48.0
50.0
800 x 600
75
46.8
49.5
800 x 600
90
57.0
56.6
800 x 600
100
62.5
67.5