Code-named Klamath the Intel Pentium II 233 MHz was introduced on May 7, 1997, with slot 1, a new physical architecture that encased a circuit board within a plastic case. This new development allowed for easy processor installation and removal. However, previous owners of Pentium motherboard could not upgrade to this new chip unless the motherboard they had also included the slot 1 interface. The Pentium II clock speeds range from 233 to 450 MHz.

CPU terms

  • CPU help and support.