Technical Information 1-7
SYSTEM VIDEO
The system's LCD operates using the Chips and Technologies 65545B1-5 or 65545B2-H
VGA Controller. Video signals travel from the controller through the system's 15-pin D-
SUB connector using 5 volts.
System video integrates a 32-bit VL-bus interface using local bus video. The system ships
with 1 MB Video RAM (VRAM). It also supports video modes up to 1024 x 768 with 256
colors in CRT mode.
Table Section 1-2 lists CRT display modes..
NOTE:
Interlaced video modes are represented
with the letter I in the table below.
Table Section 1-2
CRT Display Mode (CRT only)
Mode
(Hex)
Display
Mode
Colors
Text
Display
Resolution
Font
Refresh
Rate
0, 1 Text 16 40x25 320x200 8x8 70
0*, 1* Text 16 40x25 320x200 8x14 70
0**, 1** Text 16 40x25 360x400 9x16 70
2, 3 Text 16 80x25 640x200 8x8 70
2*, 3* Text 16 80x25 640x350 8x14 70
2**, 3** Text 16 80x25 720x400 9x16 70
4,5* Graphics 4 40x25 320x200 8x8 70
6 Graphics 2 80x25 640x200 8x8 70
7* Text Mono 80x25 720x350 9x14 70
7** Text Mono 80x25 720x400 9x16 70
D Planar 16 40x25 320x200 8x8 70
E Planar 16 80x25 640x200 8x8 70
F Planar Mono 80x25 640x350 8x14 70
10 Planar 16 80x25 640x350 8x14 70
11 Planar 2 80x30 6400x480 8x16 60
12 Planar 16 80x30 640x480 8x16 60
12*** Planar 16 80x30 640x480 8x16 74
13 Packed
Pixel
256 40x25 320x200 8x8 70
20 4-bit linear 16 80x30 640x480 8x16 60
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