Re: [Simply Computers] Difference in RAM memory

 

Your PC2-4200 should work fine. As you see here, the basic memory for this machine can be either
PC2-3200 or PC2-4200:
http://www.memorystock.com/memory/HewlettPackardPaviliona1100y.html

This is again confirmed in this memory website:
http://www.memoryupgradecompany.com/memory/HPPaviliona1100yMemoryUpgrade.html

A definition of of PC2-xxx is halfway down this Wikipedia page:
http://en.wikipedia.org/wiki/DDR2_SDRAM

Note that Crucial does 'not' sell the older PC2-3200 orPC2-4200 modules as far as I can see. They
sell the slightly faster, more common PC2-5300. In theory these should be backwards compatible - and
they often are. In practice, I've found that PC2-5300 'sometimes' won't work in computers designed
for PC2-3200 and 4200 (Ours is not to reason why...) - which is why I would recommend going for the
original memory modules in this case, preferably PC2-4200. Older HP Pavilions in particular can be
sensitive to memory requirements. There's also not a great deal of difference in price.

Since you already have some PC2-4200, I'd definitely give that a try first. If it works fine, I'd
suggest buying the maximum if you want to upgrade this computer - i.e. 2x 1 GB of PC2-4200.

Alan

----- Original Message -----
From: "Old Guys Rule" <pdh_dch2004@yahoo.com>
To: <simplycomputers2@yahoogroups.com>
Sent: Sunday, May 08, 2011 9:04 PM
Subject: [Simply Computers] Difference in RAM memory

>I am working on an HP Pavilion a1100y running Windows XP, and I wish to upgrade the RAM:
> Crucial.com says it takes: DDR2 PC2-5300...
> The sticks in the machine are: DDR2 PC2-3200u-333...
> I have some DDR2 PC2-4200u-444... Will these work?
> What does the PC2-xxxx stand for?
> Any info on the difference to look for in memory sticks will be appreciated as I have a laptop I'm
> planning to upgrade also.
> Thanks for your help.
> Phil
>
>
>
> ------------------------------------
>
> Visit Simply Computers Tech Support Group and Helpdesk (24x7). Providing 100% free Computer Tech
> Support since 1999. With over 12,000 members Simply Computers is one of the largest and most
> active Tech Support Forums on the Internet.
> http://tech.groups.yahoo.com/group/simplycomputers2
>
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