Koneessani on 4gb RAM muistia mutta kone näyttää vain 2270mb

Discussion in 'Kannettavat tietokoneet' started by Tuksupoika, Aug 3, 2012.

  1. Tuksupoika

    Tuksupoika Member

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    Terve!

    Elikkäs koneessani on 4GB RAM muistia mutta kone näyttää vain 2270MB? Johtuuko tämä kenties siitä että käyttis on 32-bittinen?

    Kuvia: [​IMG]

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    Last edited: Aug 3, 2012
    Tuksupoika, Aug 3, 2012
    #1
  2. zipperi

    zipperi Regular member

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    Ainakin osittain, minulla HP:ssa näkyi kyllä n. 3070 MB.
     
    Last edited: Aug 3, 2012
    zipperi, Aug 3, 2012
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  3. xbkrypt0n

    xbkrypt0n Active member

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    Tietokoneesi näytönohjaimella ei todennäköisesti ole tarpeeksi/ollenkaan omaa muistia joten se käyttää tietokoneen RAM muistia.
     
    xbkrypt0n, Aug 4, 2012
    #3
  4. zipperi

    zipperi Regular member

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    Jos siinä on ATI Mobility Radeon HD 3470 (256 MB?)+ ATI Radeon HD 3200 niin saattaa tuo HD 3200 napata muistista osansa.
     
    zipperi, Aug 4, 2012
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  5. Datanen

    Datanen Guest

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    Ainakin Windows Vista 32-bittinen versio tukee max 4 GT muistia..
     
    Datanen, Aug 4, 2012
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  6. zipperi

    zipperi Regular member

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    Joo, ja käyttöön saa 3.0 - 3.2 GB. Näyttömuisti + ajurit ryövää loput:
    "The PCI memory addresses starting down from 4 GB are used for things like the BIOS, IO cards, networking, PCI hubs, bus bridges, PCI-Express, and video/graphics cards. The BIOS takes up about 512 KB starting from the very top address. Then each of the other items mentioned are allocated address ranges below the BIOS range. The largest block of addresses is allocated for today’s high performance graphics cards which need addresses for at least the amount of memory on the graphics card. The net result is that a high performance x86-based computer may allocate 512 MB to more than 1 GB for the PCI memory address range before any RAM (physical user memory) addresses are allocated."
     
    zipperi, Aug 4, 2012
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