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KembaraXtra–Computer Terms – 34010, 34020
The 34010 and 34020 are graphics coprocessors developed by Texas Instruments for use in high-end PC graphics boards. They became a de facto standard for programmable graphics processors at a time when offloading graphics calculations from the main CPU was an important performance advantage. Both chips use 32-bit internal registers, but they differ in how they interact with the rest of the system: the 34010 is paired with a 16-bit data bus, while the 34020 uses a full 32-bit bus, allowing higher data throughput. The 34020 is designed to be compatible with the earlier 34010, so software written for the older chip can still run when upgraded hardware is installed. These coprocessors are designed to work with TIGA, the Texas Instruments Graphical Architecture, which defines a standard interface so that a single application driver can support an entire class of graphics boards based on this architecture rather than requiring separate drivers for each different board.
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