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Need Help with RAM Question with upgrading RAM

#1 User is offline   ApInflux 

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  Posted 05 October 2009 - 10:00 PM

Hi, I have a question about upgrading ram, i am upgrading to higher ram and i want to know if my computer is compatible with DDR2 Ram? These are my specs....

Manufacturer= HP-Compaq
Model= Pavilion a805n
Maximum Memory= 4096MB
Standard Memory= 512MB removable
Number of Slots= 4(2 banks of 2)

And this is the memory i want to get......

4GB
2X 2GB DDR2 PC2 5300 667MHZ 667 DIMM 4 GB RAM

Is my computer compatible?

#2 User is offline   Computing 

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  Posted 05 October 2009 - 10:27 PM

Sorry, it seems like that computer can only accept DDR RAM which has 180 pins on the chip and not DDR2 which has 240pins on its chips.

This post has been edited by Computing: 05 October 2009 - 10:29 PM

#3 User is offline   DJBPace07 

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Posted 05 October 2009 - 11:47 PM

DDR memory standards are not backwards compatible. DDR2 or DDR3 will not work on a DDR motherboard. You need DDR-400 (PC3200), Your motherboard has a 4GB limit and has four slots, this means you need four 1Gb sticks. To get this amount, you can purchase two 2GB (2 x 1GB) RAM kits, like the WINTEC 2GB (2 x 1GB) 184-Pin DDR SDRAM DDR 400 (PC 3200). Note that unless you have a 64-bit operating system, you will be limited to about 3GB of installed memory since 1GB or more will be used for addressing on 32-bit operating systems.
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#4 User is offline   ApInflux 

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Posted 06 October 2009 - 03:16 PM

I have 32-bit so i don't have to worry about that, thanks for all your help

#5 User is offline   ApInflux 

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Posted 11 October 2009 - 03:55 PM

View PostDJBPace07, on Oct 6 2009, 12:47 AM, said:

DDR memory standards are not backwards compatible. DDR2 or DDR3 will not work on a DDR motherboard. You need DDR-400 (PC3200), Your motherboard has a 4GB limit and has four slots, this means you need four 1Gb sticks. To get this amount, you can purchase two 2GB (2 x 1GB) RAM kits, like the WINTEC 2GB (2 x 1GB) 184-Pin DDR SDRAM DDR 400 (PC 3200). Note that unless you have a 64-bit operating system, you will be limited to about 3GB of installed memory since 1GB or more will be used for addressing on 32-bit operating systems.


Ok now im having a problem I thought i knew how it worked now im not sure, now there is High and low density ram that i did not know about i really don't know what is right for my computer. Can you tell me what ram specs are right for my computer?

#6 User is offline   DJBPace07 

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Posted 11 October 2009 - 05:45 PM

According to the specs at HP, you can have 4GB with 1GB in each slot. The kit I linked to should work. Here are the specs for your PC.
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#7 User is offline   ApInflux 

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Posted 11 October 2009 - 06:03 PM

Oh ok so the high or low density wont matter?


Edit: Edited to remove unnecessary quote. ~ tg

#8 User is offline   hamluis 

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Posted 11 October 2009 - 06:26 PM

Some PCs can work properly with high-density RAM while the vast majority of systems work properly with low-density RAM.

High Density Memory Explained - http://www.1ststop.net/

High density vs Low Density - http://www.oempcworld.com/support/Highdens..._Lowdensity.htm

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#9 User is offline   ApInflux 

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Posted 11 October 2009 - 09:59 PM

Ok thanks, i think in the article it said something about "As a rule of thumb it seems safest to assume that no Asus or Intel boards (with the exception of the 915) will work with High Density RAM."

I have "Chipset:Intel 915GV" so does that mean my computer is compatible with high density ram or not?


Edit: Edited to remove unnecessary quote. ~ tg

#10 User is offline   DJBPace07 

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Posted 11 October 2009 - 11:47 PM

I don't understand your confusion since the table below lists what you need and comes directly from HP. Crucial also agrees with HP in suggesting PC3200.

Memory

Memory Installed: 512 MB (2 x 256)
Maximum allowed: 4.0 GB* (4 X 1 GB) requires the replacement of the installed 256 MB DIMMs. *Actual available memory may be less
Speed supported: PC3200 MB/sec
Type: 184 pin, DDR SDRAM
DIMM slots: Four
Open DIMM slots: Two

This post has been edited by DJBPace07: 11 October 2009 - 11:51 PM

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#11 User is offline   ApInflux 

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Posted 12 October 2009 - 06:20 PM

Its just that i wanted to know what kind of density my computer can handle High or Low density ram that's all. It doesn't say what density in the specs


Edit: Edited to remove unnecessary quote. ~ tg

This post has been edited by tg1911: 12 October 2009 - 06:43 PM

#12 User is offline   tg1911 

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Posted 12 October 2009 - 06:44 PM

ApInflux,
When replying to a post, don't use the QUOTE button under the post, unless there is something specific in the post, that you want to quote.
Either use the button at the top of the page labeled Add Reply, or one of the 2 buttons at the bottom of the page, labeled Fast Reply, and Add Reply.
It keeps from cluttering up the board with unnecessary quotes. :thumbsup:
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