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  1. #1
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    Âúïðîñ.

    Íå èçïîëçâàõ ñúð÷, òúé êàòî ùåøå äà ñå îêàæå áåçïîëåçåí ïðè òîçè âúïðîñ, à èìåííî - êàêâî îçíà÷àâà çàêëþ÷åí èëè îòêëþ÷åí ïðîöåñîð?

    Ïðåäïîëàãàì, ÷å îòêëþ÷åí ùå ðå÷å ñàìî ÿäðîòî, áåç ôàí è ò.í.

    Çíàì, ÷å âúïðîñúò å ãëóïàøêè, íî ñå ó÷à...

  2. #2
    دارس وعامل Siemens's Avatar
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    Location: Ñîôèÿ
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    Îòêëþ÷åí îçíà÷àâà, ÷å ìíîæèòåëÿò ìó å îòêëþ÷åí, ò.å. ìîæåø äà ãî ïðîìåíÿø.
    ×åñòîòàòà íà ïðîöåñîðà å åäíà, à íà øèíàòà íà äúíîòî å äðóãà. Íàé-îáùî êàçàíî:
    CPU [MHz] = multiplier X FSB (front side bus)

    Ò.å. êîãàòî overclock-âàø ìîæåø äà âäèãàø èëè fsb-òî èëè ìíîæèòåëÿ, çà äà ïîëó÷èø ïî-âèñîêà âúòðåøíà ÷åñòîòà íà ïðîöåñîðà.

    Ï.Ñ. âñè÷êè èíòåëñêè ïðîöåñîðè ñëåä Pentium MMX ñà çàêëþ÷åíè, êàêòî è ïîâå÷åòî ñúâðåìåííè ÀÌÄòà (òóê äðóãèòå ùå òè êàæàò êîè ñà è êîè íå). Ò.å. ïðè òÿõ ìîæåø äà âäèãàø ÷åñòîòàòà íà ïðîöåñîðà ñàìî ÷ðåç øèíàòà, êîåòî íå âèíàãè å äîáðå, çàùîòî ïðè íÿêîè äúíà ñå ïîâèøàâà è ÷åñòîòàòà íà PCI øèíàòà (íàä 33ÌÕç), êîåòî å ëîøî çà ðàçíèòå óñòðîéñòâà íà òàçè øèíà.

  3. #3
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    íî íàëè, àêî èñêàø äà ïðîìåíèø ñàìî FSBòî áè ñëåäâàëî äúíîòî òè äà ïîääúðæà àñèíõðîíåí ðåæèì?

    ïúê è ìíîæèòåëÿ ñè å ñàìîñòîÿòåëåí, íå çíàì, íà ìîéòî äúíî ïðîìåíÿì ìíîæèòåëÿ îò DSW, à íå îò áèîñ

  4. #4
    دارس وعامل Siemens's Avatar
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    íå çíàì êîè äúíà ïîääúðæàò è êîè íå àñèíõðîíåí ðåæèì ñ ïàìåòòà, íî çà äà ïðîìåíÿø fsb-òî íå å çàäúëæèòåëíî. Àêî ïîâèøàâàø fsb-òî íàä ñòàíäàðòíîòî è ÐÀÌ ïàìåòòà òè èçäúðæà çíà÷è íÿìà ïðîáëåìè.
    Òîâà, ÷å íà äúíîòî òè èìà dip êëþ÷åòà (gigabyte ñà òàêà - âìåñòî îò áèîñ-à), íå îçíà÷àâà, ÷å òè íàèñòèíà ãî ïðîìåíÿø. Çàâèñè ñàìî îò ïðîöåñîðà.
    Ñïîìíÿì ñè, ÷å íà ñòàðèòå acorp 6zx86 s1 äúíà ñúùî èìàøå jumper-è çà ñìÿíà íà ìíîæèòåë, íî áÿõà áåçñìèñëåíè - äîêîëêîòî çíàì íèêîãà íå å èìàëî ïðîöåñîð çà ñëîò 1 , êîéòî äà å áèë îòêëþ÷åí (ñ èçêë íà áðîéêèòå çà òåñòâàíå - ES).

  5. #5
    Registered User Stefo's Avatar
    Join Date: Jun:2003
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    Ìàé çà âòîðè ïúò ïëÿñêàì òîÿ ëèíê äíåñ, íî ùîì ñåãà çàïî÷âàø, ïðî÷åòè ïîäðîáíî íàïèñàíè ñòàòèè ïî âúïðîñà, ... ùîòî òàêà ñ âúïðîñè è îòãîâîðè ...

    http://comexgroup.com/technologies/overclocking.htm


    ×åòè è àêî íå ðàçáåðåø íåùî, òîãàâà ïèòàé ...
    Last edited by Stefo; 20th August 2004 at 02:19.

  6. #6
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    Join Date: Feb:2004
    Location: Varna
    Posts: 154
    Äîáðå å äà ïîãëåäíåø è ëèíêîâåòå â òåìàòà, êîÿòî å ìàëêî ïî-íàãîðå(âñúùíîñò ïúðâàòà)

  7. #7
    Registered User achilles's Avatar
    Join Date: Sep:2003
    Location: Ñîôèÿ
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    Originally posted by Stefo
    Ìàé çà âòîðè ïúò ïëÿñêàì òîÿ ëèíê äíåñ, íî ùîì ñåãà çàïî÷âàø, ïðî÷åòè ïîäðîáíî íàïèñàíè ñòàòèè ïî âúïðîñà, ... ùîòî òàêà ñ âúïðîñè è îòãîâîðè ...

    http://comexgroup.com/technologies/overclocking.htm


    ×åòè è àêî íå ðàçáåðåø íåùî, òîãàâà ïèòàé ...
    Àáå òàÿ ñòàòèÿ è àç ñúì ÿ ÷åë è íå îòãîâàðÿ ìíîãî äîáðå òî÷íî íà òåçè çàäàäåíè âúïðîñè...

  8. #8
    Registered User Stefo's Avatar
    Join Date: Jun:2003
    Posts: 2,089
    Originally posted by achilles
    Àáå òàÿ ñòàòèÿ è àç ñúì ÿ ÷åë è íå îòãîâàðÿ ìíîãî äîáðå òî÷íî íà òåçè çàäàäåíè âúïðîñè...
    Ïðàâ ñè ...
    Íî àêî Olorin_The_Grey áåøå ïîëçâàë ñúð÷à, åòî êàêâî ïóñíàõ â åäíà òåìà ïðåäè íÿìà ñåäìèöà ...
    À àêî áåøå ïðî÷åë è ïðàâèëàòà, ùåøå äà ñè ñëîæè ïî-ÿñíî çàãëàâèå íà òåìàòà ...

    Àéäå, ïàê Copy/Paste :

    Ñíèìêè íà ìîáèëåí è äåñêòîï ïðîöåñîð - çà äà ñå âèäè, ÷å ñà åäíàêâè íà âúíøåí âèä ... ïîíå òÿõ íÿìà äà ãè ñëàãàì ...
    Ðàçëèêèòå ñà îáÿñíåíè äîñòàòú÷íî ÿñíî ...

    As you can see, there are no external differences - the die is the same size on both CPUs and the layout is exactly the same. The differences between these two processors are all on the inside.

    The first difference between the two chips is the multiplier. All current desktop Bartons have a locked multiplier, while all mobile Bartons have an unlocked multiplier. A fully unlocked multiplier is a great addition to have when overclocking; you can quite often reach the limit of another part of your system before your processor tops out, or vice versa, during your quest to reach your best "system" overclock. I refer to it as a system overclock, because raw CPU speed is not necessarily everything. It is important to strike a compromise between high front side bus (while remaining in sync with your memory bus to give good system bandwidth) and raw CPU speed to gain the maximum performance from the system as a whole. Athlon XPs on the whole are lacking in bandwidth due to their architecture, so any extra bandwidth you can give to your system will pay dividends when it comes to gaming and number crunching tasks.

    Secondly we have a difference in the default system clock. The desktop Barton core runs at 166MHz FSB, where the mobile Barton runs at 133MHz FSB. The reasoning behind this is the fact that all Athlon-based laptop motherboards run at 133MHz FSB, and it would not make sense to release a 166MHz FSB mobile part for an architecture that is being phased out in favour of the K8 architecture.

    Since the mobile Barton runs at a lower front side bus, it requires a boost in speed to give approximately the same performance as its desktop counterpart. The desktop Barton 2500+ runs at 1833MHz (11.0x166) while its mobile sibling runs at 1866MHz (14.0x133).

    Finally, there is a difference in default core voltages. The desktop Barton runs at 1.65v, while the mobile Barton is rated to run at 1.45v. This can make quite a difference when it comes to overclocking as the mobile Barton is running at a higher external core clock, with lower voltage requirements. The silicon used in mobile Bartons is taken from the centre of the wafer, so they're made from better silicon, which should clock higher at the same core voltage.
    Last edited by Stefo; 20th August 2004 at 23:21.

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