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01-17-2008
| #1 (permalink) |
| | vista64 only using 1 core of my pentium d....? bios counts 2 ? a few weeks ago i noticed a performance drop with vista 64 so i had a snoop around in task manager checked unwanted services etc only 2 notice it see's 1 cpu core for my pentium d 2.80 ? ive tried a re-installing and un-installing the cpu in device manager with only 1 core installed each time even thoe it knows what cpu model it has installed ? ive checked the bios which has 2 cores counted, ive even updated my bios anyway and tried re-installing in device manager again, ive also updated my chipset drivers no luck there and ive googled away all day 2 find a solution but all i get is amd vista problems ? ive tried scanning for hardware changes the lot and i can not find any updates from micrsoft and asus(mobo) about this ! any help would be much appreciated ! cheers! asuse p5vdc-mx 2 gig corsair pc2-4200 ddr2 533mhz pentium d 2.80 ati agp x1550 need anymore info please let me know |
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01-17-2008
| #2 (permalink) |
| | Re: vista64 only using 1 core of my pentium d....? bios counts 2 ? "jay22" <jay22.33co4z@xxxxxx-mx.forums.net> wrote in message news:jay22.33co4z@xxxxxx-mx.forums.net... Quote: > > a few weeks ago i noticed a performance drop with vista 64 so i had a > snoop around in task manager checked unwanted services etc only 2 notice > it see's 1 cpu core for my pentium d 2.80 ? ive tried a re-installing > and un-installing the cpu in device manager with only 1 core installed > each time even thoe it knows what cpu model it has installed ? ive > checked the bios which has 2 cores counted, ive even updated my bios > anyway and tried re-installing in device manager again, ive also updated > my chipset drivers no luck there and ive googled away all day 2 find a > solution but all i get is amd vista problems ? ive tried scanning for > hardware changes the lot and i can not find any updates from micrsoft > and asus(mobo) about this ! any help would be much appreciated ! > cheers! > > asuse p5vdc-mx > 2 gig corsair pc2-4200 ddr2 533mhz > pentium d 2.80 > ati agp x1550 > > need anymore info please let me know > > > -- > jay22 combined processing power of both cores? i.e. One Graph, All CPUs. |
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01-17-2008
| #3 (permalink) |
| | Re: vista64 only using 1 core of my pentium d....? bios counts 2 ? no im sure, it also shows up as 1 in divice manager and ive used cpuz which has 1 core showing plus there are no options in task manager to show both cores in 2 graphs its just not being used by vista ? |
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01-18-2008
| #4 (permalink) |
| | Re: vista64 only using 1 core of my pentium d....? bios counts 2 ? is the 820 not a hyperthreading cpu? that's not a real dual core. "jay22" <jay22.33cyk0@xxxxxx-mx.forums.net> wrote in message news:jay22.33cyk0@xxxxxx-mx.forums.net... Quote: > > no im sure, it also shows up as 1 in divice manager and ive used cpuz > which has 1 core showing plus there are no options in task manager to > show both cores in 2 graphs its just not being used by vista ? > > > -- > jay22 |
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01-18-2008
| #5 (permalink) |
| | Re: vista64 only using 1 core of my pentium d....? bios counts 2 ? no its not hyperthreading it dos have to cores and when i had xp it was installed as 2 cores or 2 processers i tested on cpuz in the past and it counted 2 cores also but it does not now 4 some reason? ive hard of the same problem with some amd processer which was fixed with a patch 4 vista 64 but no 1 seems 2 have this problem with any intel chips im sure its a vista problem my bios counts 2 cores !  |
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01-18-2008
| #6 (permalink) |
| | Re: vista64 only using 1 core of my pentium d....? bios counts 2 ? Even if it were only hyperthreading, he should still see two logical processors on the performance tab. If he had a hyperthreading dual-core he would see four logical processors. Only if he has a single core cpu w/o hyperthreading should he see just one logical cpu. "Patrick" <patrick.kessen@xxxxxx> wrote in message news:u15FTNdWIHA.5596@xxxxxx Quote: > is the 820 not a hyperthreading cpu? that's not a real dual core. > > "jay22" <jay22.33cyk0@xxxxxx-mx.forums.net> wrote in message > news:jay22.33cyk0@xxxxxx-mx.forums.net... Quote: >> >> no im sure, it also shows up as 1 in divice manager and ive used cpuz >> which has 1 core showing plus there are no options in task manager to >> show both cores in 2 graphs its just not being used by vista ? >> >> >> -- >> jay22 |
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