| 摘要 |
An external processor 1 is linked to a bus 11, which powers a graphics controller board 2 and a video board 3. The graphics controller board 2 is connected to a graphics bus, which travels to four topographic memory boards 5-1 to 5-4. Each topographic memory board has a capacity of 1024 x 1024 x 4 bits. The set of four topographic memory boards can define 1024 x 1024 points or pixels, for each of which 16 information bits are available, or offer twice the capacity, with 8 bits per pixel. <IMAGE>
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