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Intel data bus of Intel 80486 and above CPUs
Fresh7 days ago
Mar 15, 2026502 viewsConfidence Score0%
0%
Problem
Why do Intel 80486 and above CPUs have a double 32-bit internal data bus? ALU is still 32 bits wide, so what is the extra 32-bit bus for?
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Fix for: Intel data bus of Intel 80486 and above CPUs
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It's for floating point/MMX/SSE data movement.
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