Memory options are mostly dependent on the motherboard.  If the 
motherboard supports more than one speed or size, ie:  PC2700 and 
PC3200, using one chip of each wll result in both running at the slower 
PC2700 speed.  However, If the chips are DDR (dual data rate) or DDR2, 
they may not function in DDR mode.  Older computrers usually required 
chips installed in similar-spec pairs (size and speed), newer pcs are 
more tolerant.  Max performance will be obtained by the fastest chips 
the board will support and filling all the slots up to the memory 
capacity of the board. 
Paul Hachmeyer
.
g.Computer9f wrote:

>I don't know enough to answer all your questions, but I'm pretty sure that ALL the ram chips in a PC have to be "compatible" with each other.  I don't think its a "mix and match" situation.    --AnnaSummers
>
>----- Original Message ----- 
>From: em zirek 
>To: [log in to unmask] 
>Sent: Thursday, March 13, 2008 4:58 AM
>Subject: Re: [PCSOFT] Advanced Registry Optimizer 5
>
>
>Hello, I am reading about all the info you all share here, and was wondering how I can find out what my PC is doing at any given moment. I would like to know what my RAM levels are running certain apps. If I have enough(I think it is 256MB).
>  I am running an 5-6 yr old Xp Home PC custom built for perusing the internet. I had it built and bought it that way long ago to look for WAH opportunities and looking for dating sites. 
>  I have only had to do a clean install once and am very happy with my antique PC. I have another with Win 98, but it is compromised, as it has some corrupted files on it and wanted to take the RAM from it(wouldn't know the amount, until I crack the case) and make that(98) HD the slave to the antique. I hope this is making sense. What procedure would work best?  
>  Should I just buy new RAM to upgrade? I am not sure of how many slots I have for RAM either. I will be doing this soon as I am learning that I need a lot more RAM. I would imagine the Win98 has the same amount of RAM on it or less. How does one tell?
>   
>  Summary of questions asked in this post:
>   
>  1) How do I know what apps are using RAM at any given moment?
>  2)What procedure will work best in transferring RAM from one PC to another?
>  3)Should I just buy new RAM to upgrade?
>  Thanks for you help.
>  M
>
>  
>

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