[1] : The Free On-line Dictionary of Computing (27 SEP 03)

pentium ii
     
         intel corporation's successor to the pentium
        pro.
     
        the pentium ii can execute all the instructions of all the
        earlier members of the intel 80x86 processor family.  there
        are four versions targetted at different user markets.  the
        celeron is the simplest and cheapest.  the standard pentium
        ii is aimed at mainstream home and business users.  the
        pentium ii xeon is intended for higher performance business
        servers.  there is also a mobile version of the pentium ii
        for use in portable computers.
     
        all versions of the pentium ii are packaged on a special
        daughterboard that plugs into a card-edge processor slot on
        the motherboard.  the daughterboard is enclosed within a
        rectangular black box called a single edge contact sec
        cartridge.  the budget celeron may be sold as a card only
        without the box.  consumer line pentium ii's require a 242-pin
        slot called slot 1.  the xeon uses a 330-pin slot called
        slot 2.  intel refers to slot 1 and slot 2 as sec-242 and
        sec-330 in some of their technical documentation.  the
        daughterboard has mounting points for the pentium ii cpu
        itself plus various support chips and cache memory chips.
        all components on the daughterboard are normally permanently
        soldered in place.  previous generation socket 7
        motherboards cannot normally be upgraded to accept the pentium
        ii, so it is necessary to install a new motherboard.
     
        all pentium ii processors have multimedia extensions mmx
        and integrated level one and level two cache controllers.
        additional features include dynamic execution and dual
        independent bus architecture, with separate 64 bit system and
        cache busses.  pentium ii is a superscalar cpu having about
        7.5 million transistors.
     
        the first pentium ii's produced were code named klamath.
        they were manufactured using a 0.35 micron process and
        supported clock rates of 233, 266, 300 and 333 mhz at a
        bus speed of 66 mhz.  second generation pentium ii's, code
        named deschutes, are made with a 0.25 micron process and
        support rates of 350, 400 and 450 mhz at a bus speed of 100
        mhz.
     
        home http://www.intel.com/pentiumii/.
     
        1998-10-06
     
     
see also:
intel corporation pentium pro intel 80x86 celeron pentium ii xeon servers 
daughterboard motherboard single edge contact slot 1 xeon 
cpu cache socket 7 multimedia extensions dynamic execution 
superscalar transistors klamath clock rates mhz 
bus lt;homegt; 

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