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Dispersal of the processor
|/img >/img src="//images/stories/tip/comp-progs/overlocking-1.jpg" alt="Dispersal of the processor" align=left title="Разгон процессора" /> If you do not accept characteristics of your personal computer, you have some opportunities to improve a situation. It is possible to carry out an upgrade of system, i.e. to replace some accessories with new models, or "to squeeze out" a maximum of the available set. |
Now, when new accessories become more available to computers, a question of dispersal of system and, in particular, already does not cost the processor so sharply. However still there are many systems in which the upgrade is for one reason or another impossible. In this case dispersal – an excellent solution.
Dispersal of the computer, it is an overloking (overclocking), is an increase of speed of components of the computer due to their operation in the forced (emergency) operating modes. It is possible to accelerate the central and graphic processors, quick and video memory. For dispersal it is possible to use means of BIOS or special utilities.
Important! Dispersal of the processor significantly increases its temperature therefore without good reliable cooling system it is extremely undesirable to start an overloking.
Most often accelerate the central processor. Its speed is defined by two parameters: architecture and clock frequency. It is obvious that the user cannot change architecture (structure) of the microprocessor, and here change the clock frequency of the processor – really.
Why dispersal of the processor is possible? The matter is that identical processors which work at different frequencies, have no differences. When testing party of processors at some one frequency (at all frequencies to check each processor very difficult), the part of processors is rejected. If such defective processors pass a test at lower frequency, the corresponding marking is appropriated to them.
The producer tests the production in very severe conditions, and therefore during the work in the nominal conditions (meeting the specification of the producer) processors still have about 10-15% of a stock on power. This stock is also used for an overloking.
Sometimes rather high-performance processors are consciously marked as slower simply because so for the producer favourably. Such processors will manage to be accelerated for 30% and even above.
As it was already mentioned, it is possible to increase speed of the processor, changing its clock frequency. Clock frequency is defined as work of coefficient of multiplication and frequency of the system tire (FSB). By means of regulation of settings of these two parameters dispersal is also carried out.
Where to carry out control of frequency of the system tire and coefficient of multiplication? The most simple and available option – BIOS.
Attention! And coefficient of multiplication the user carries out any manipulations with settings of frequency of the system tire at own risk and itself bears responsibility for possible damages or failure of the computer equipment!
To enter the BIOS menu, it is necessary to press when loading system one key or a combination of keys on the keyboard. For the majority of models of motherboards is the Delete key. After an entrance to the menu it is necessary to find the section which is responsible for settings of frequency of the tire. Usually such section is called as "Advansed BIOS Features" or "Advansed" is simple.
It is necessary to find the CPU Host Frequency parameter in this section (also CPU FSB Clock, FSB Frequency, External Clock can be called). It is also the frequency of the system tire. It is necessary to change value of this parameter very smoothly - no more, than to 10-15% for once. After changes it is necessary to leave BIOS with preservation and to start system.
It is necessary to check stability of work of system surely. Whether there are no "glitches", sudden lags, the blue screen (BSoD)? If the system works steadily, it is possible to return to BIOS and to change FSB value a little more.
Except settings of frequency of the system tire skilled overloker change also timings of random access memory, control of multipliers and dividers, add or reduce tension given on the processor. Before starting changes of settings of these parameters, it is necessary to realize that, for what, actually, these parameters answer, and what effect will be gained.
Today, when on free sale there are 2-,4-,6-and even 8-core processors with a high clock frequency, an overloking – rather entertainment, than need. Experienced users of the personal computer specially select certain models of processors and the corresponding motherboards for dispersal as much as possible to use possibilities of dispersal.
If you do not possess sufficient experience yet or simply do not wish "to potter" with settings, perhaps, it is worth getting simply the new processor with the demanded speed.
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