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I always thought that 80386DX was the first Intel's CPU with integrated FPU, yet the text says it's 80486...
by ivanche 9y ago
I always thought that 80386DX was the first Intel's CPU with integrated FPU, yet the text says it's 80486...
- tcas 9y agoThe 80386DX never had a FPU integrated -- it required a second 387 coprocessor chip. You might be thinking of the 80486DX [1] also known as "RapidCAD" that included a dummy 387 FPU to place in that socket. [1] https://en.wikipedia.org/wiki/RapidCAD https://en.wikipedia.org/wiki/RapidCAD
- ivanche 9y agoYou're absolutely right, thanks for the correction!