Question about Compaq Presario 12XL125 Notebook

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Upgrade ram on 12XL125

I have a compaq 12XL125 and install a 256 ram but only see128 of it and compaq said I can not make it see 256 ram
what can I do so it will see 256 ram
I am runing XP with SP3
thank lewis roy

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  • Lewis Dempsey
    Lewis Dempsey Aug 16, 2008

    would it run faster if i reinstall w 98

    thank lewisroy


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Specifications for the Compaq 12XL125 state that the system memory is:
64 MB 100 MHz SyncDRAM, shared memory architecture, upgradable to 192 MB - 4 MB dedicated for video memory

This system will not be able to use the ram you are trying to install.  For more about this system go to this link:

Posted on Aug 16, 2008

  • Marianne S Crowley
    Marianne S Crowley Aug 16, 2008

    Yes, it would run better on Win 98. There is a "sweet spot" or ideal amount of ram for each operating system. For Win XP it is 512 MB of ram.  That does not mean it would not run on less.  It just runs slower than it could if it had its ideal amount of ram.  This system would run well in Win 98. It was probably built for Win 95 "back in the day".  The optimal amount of ram for Win 98 is 256 MB but it will run very well on a lot less.


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