This was available on the Intel 80286 and newer processors.
Windows 98 requires a computer with a 486 or newer processor.
Often, newer processors add more instructions not present in the original design.
Sometimes a newer processor will change the meaning of an instruction.
Some old code will no longer work on the newer processor.
Since 2006 the development has gone on, so that the new processors get four or more independent microprocessors.
Within three months, the entire operating system was ported to the new processor.
We've even found a way to incorporate that principle in our newest processor.
Without the new processor, the image would require six minutes to complete.
But the real problem comes in pushing the new processor down into the pinholes.