Ken Shirriff's blog

Computer history, restoring vintage computers, IC reverse engineering, and whatever

Showing posts with label reverse-engineering. Show all posts

Showing posts with label reverse-engineering. Show all posts

The Pentium contains a complicated circuit to multiply by three

This article is available in German at Heise Online . In 1993, Intel released the high-performance Pentium processor, the start of the long...

Interesting BiCMOS circuits in the Pentium, reverse-engineered

Intel released the powerful Pentium processor in 1993, establishing a long-running brand of processors. Earlier, I wrote about the ROM in t...

Reverse-engineering a carry-lookahead adder in the Pentium

Addition is harder than you'd expect, at least for a computer. Computers use multiple types of adder circuits with different tradeoffs o...

Pi in the Pentium: reverse-engineering the constants in its floating-point unit

Intel released the powerful Pentium processor in 1993, establishing a long-running brand of high-performance processors. 1 The Pentium incl...

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