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Chapter 6: Matrox Corona hardware reference
The display section
The following is an illustration of the display section of the
Matrox Corona.
Matrox MGA-2164W graphics display controller
The display section uses the Matrox MGA-2164W graphics
display controller. It interfaces directly with up to 8 Mbytes of
image and overlay frame buffer, arranged in a split buffer
architecture. It provides non-destructive, true-color overlay of
text and graphics over a true-color image. A 512K Flash
Memory is used to permanently store the Video BIOS.
The Matrox MGA-2164W graphics display controller has a
64-bit wide memory interface.
Image and overlay frame buffers
The display section of the Matrox Corona can have a total of 4
or 8 Mbytes of WRAM connected directly to the MGA-2164W
graphics display controller and the Rainbow Runner. Half of
the memory is dedicated to overlay frame buffer, while the other
half is dedicated to the image frame buffer.
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Troubleshooting
