Four bytes could freeze any Pentium in 1997
by Ellsworth Toohey from Boing Boing on (#778XK)

In November 1997, the world learned that the byte sequence F0 0F C7 C8 would stop any original Pentium, Pentium MMX, or Pentium OverDrive.ThePentium F00F bugmade it so that any program that executed the four bytes would halt the processor. - Read the rest
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