Re: Use 3GB or 4GB RAM in 32 bit OS?

Daniel G. escribió:
> Hi all,
> I own a Dell dimension 8400 with 1 GB of RAM running windows XP SP 2
> and also just bought a Gateway ML6720 laptop with 1 GB of RAM running
> Windows Vista home premium.  I believe the Dell machine as for memory
> slots in the Gateway 82 memory slots.  I'd like to bring both these
> machines up to 4 GB of RAM but read this isn't possible in a machine
> running a 32-bit OS, I read this at
> http://www.crucial.com/systemscanner/index.aspx.
It said, "How much
> memory your Windows OS will recognize depends on which version of
> Windows you are running. 32-bit versions of Windows will see (and
> utilize) only 3GB or 3.5GB. To utilize more memory, install a 64-bit
> version of your OS." My question is, can I install 2 GB in one slot
> and 1 GB in the other available **** to make up the 3 GB or would I
> have to install 2 GB of RAM in each available slot even though the OS
> would only recognize 3 GB?  I ask because a friend of mine said that
> mixing RAM chip sizes really impedes the performance of a PC. Also,
> some chips are labeled PC2-3200 and PC2-6400 etc. I understand these
> denote RAM speeds? I'll be using Dragon Dictate heavily on both
> machines and am wondering how big a difference it would make in
> performance to get chips with a very high speed rating such as
> PC2-6400?  Thanks in advance for any info you can provide!


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