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hardware notes class 16th
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    hardware notes class 16th

    One of the problems of overclocking a Pentium II was that the cache chips couldn’t keep up with the high speeds. Since these Celerons didn’t have any L2 cache, they could be seriously overclocked (with the right cooling).
    Name:  11.jpg
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Size:  11.2 KB Fig. 108. Extreme CPU cooling using a complete refrigerator built into the PC cabinet. With equipment like this, CPU’s can be pushed up to very high clock frequencies (See Kryotech.com and Asetek.com). Intel later decided to integrate the L2 cache into the processor. That happened in a new versions of the Celeron in 1998 and a new versions of the Pentium III in 1999. The socket design was also changed so that the processors could be mounted directly on the motherboard, in a socket called socket 370. Similarly, AMD introduced their socket A.
    Pentium 4 – long in the pipe







    The Pentium III was really just (yet) another edition of the Pentium II, which again was a new version of the Pentium Pro. All three processors built upon the same core architecture (Intel P6).
    It wasn’t until the Pentium 4 came along that we got a completely new processor from Intel. The core (P7) had a completely different design:

    The L1 cache contained decoded instructions.
    The pipeline had been doubled to 20 stages (in later versions increased to 31 stages).
    The integer calculation units (ALU’s) had been double-clocked so that they can perform two micro operations per clock tick.
    Furthermore, the memory bus, which connects the RAM to the north bridge, had been quad-pumped, so that it transfers four data packets per clock tick. That is equivalent to 4 x 100 MHz and 4 x 133 in the earliest versions of the Pentium 4. In later version the bus was pumped up to 4 x 200 MHz, and an update with 4 x 266 MHz is scheduled for 2005.
    The processor was Hyper Threading-enabled, meaning that it under certain circumstances may operate as two individual CPUs. All of these factors are described elsewhere in the guide. The important thing to understand, is that the Pentium 4 represents a completely new processor architecture.
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    Fig. 109. The four big changes seen in the Pentium 4.
    Laie_2

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    Default

    Nice sharing

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    Default Re: hardware notes class 16th

    Thanks for sharing great,,,,,,

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    Default Re: hardware notes class 16th

    nice info you shared bro .................................................. .................................................. ...........

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    Default Re: hardware notes class 16th

    nice post but there will online course of hardware if there will be sent me URL


 

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