Just bought 2 1GB PNY dual Chanel memory modules for my Computer Make: HP Pavilion 061 Computer Model: RJ181AA-ABA a1600n Currently has Memory: 4 slots: 512 MB, 512 MB, empty, empty QUESTION: which slots to use and in what order ??

Add more ram is it uses a lot of graphics it might be slow adding more Computer ram will make it faster.
HP Pavilion a6228x Computer Memory.

The HP Pavilion a6228x Computer takes the PC2-5300 DDR2 SDRAM DIMMs. Supports Dual Channel DDR2 Memory Type, and comes installed with 2.0 GB (removable) of Memory.

You can upgrade your HP Pavilion a6228x Computer to up to a maximum memory capacity of 8.0 GB Memory, the system has 4 sockets to install Memory, already with 2.0 GB (removable) standard memory installed.

For best Pavilion a6228x Computer performance use the maximum amount of allowed Memory per slot for your Computer.
If you're not sure if a module is right for your system, use theCrucial Memory Advisor tool for a list of guaranteed compatible modules.

first you will need to select the manufacturer from a drop down list then select your product line from a drop down list then select the model then click find it will take you directly to compatible ram also you will have an option to scan your system

you should always ask for a guarantee on the compatibilitybefore making any purchase and try to buy for working pairs if possible

Have a look at this site "www.crucial.com/uk". Use the "System Scanner" towards the bottom of the page left side, next to Memory Advisor this will scan your pc and will then tell you what memory you require.
Hope this helps.

Go to WWW.CRUCIAL.COM and run their SCAN MY COMPUTER option.

It will tell you what kind of memory you currently have installed in your pc as well as how much room you have left to add more and all the specs for what type you can add.

Good luck and please comment back and RATE if this was helpful.

Computer unplugged from power, computer case open, observe Anti-Static precautions, then remove the ram memory module/s.

(Slang for ram memory module, is ram memory 'stick')

Use a pencil eraser, and clean the gold plated contact pins, on the bottom of the ram memory module.

Just rub the eraser on the contact pins.
(If the eraser on the end of the pencil is attached by a metal sleeve, refrain from letting the metal sleeve touch the contact pin/s)

When handling the ram memory module, refrain from touching the contact pins on the bottom.
You can handle the ram memory module anywhere else, as the body is coated with a see-through protective plastic.

Lay the module on a wood table, or other non-Static surface when cleaning.
Example of a DDR Sdram ram memory module as used in a Pavilion 523n,

http://en.wikipedia.org/wiki/File:Generic_DDR_Memory_%28Xytram%29.jpg

Use air to remove the eraser dust.
(You can use a can of compressed air for computers, or air pressure from your mouth is sufficient)

Reinsert the ram memory module/s. Close the computer case, plug back into power. Wait 1 minute, turn the computer on.

[Anti-Static Precautions:

Your body carries Static electricity.
Static WILL fry out (Short Circuit) the hardware components inside a computer.

Working on a table, computer unplugged from power, computer case open, TOUCH the metal frame of the computer case (Unpainted surface) to relieve your body of Static.

Should you get up, and walk away in the middle of working on your computer, upon your return Touch the metal frame again ]

Opening your computer case.
Looking at the Back of the computer, there are two screws on the far right edge.
One above, one below.

Remove the two screws, slide the side panel back about 1 inch, tilt the side cover top to the outside, remove the side cover. (If memory serves)

Should you need guidance in removing, and reinstalling a ram memory module, hit me up in a Comment.
(Believe upper right of your page. Fixya is constantly under going change to improve the website)

HP Support > Pavilion 523n > Product Specifications,

http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph07767&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&lang=en&product=90387


HP Support > Pavilion 523n > Motherboard Specifications (Scroll down to see an illustration of the motherboard, and photo below it)

http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph07899&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&lang=en&product=90387

You can try this http://www.crucial.com/store/listparts.aspx?model=Pavilion%20a610n it's not stock memory but it will tell you what it takes and gives an option for buying some.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00883080&lc=en&cc=us&dlc=en&product=3409102&lang=en

yes, you can providing it is the same family, ie ddr2888 or 553 ect but might slow machine down, It is always better to do an exact match,

From the HP specifications page for Pavillion A530N:
Memory type DDR Memory speed PC 3200/2700/2100/1600 Memory sockets Two DDR DIMMs (184-pin) Maximum HP/Compaq approved memory Two x 512 MB DDR-DIMMS, 1024 MB total (1 GB)

Yes, you can go till 4GB

Pavilion a6240a

Type of System: Desktops/Servers
Bus Architecture: PCI/PCI Express/USB
CPU Type: 1.8 GHz Intel Pentium Dual Core

System Memory
Standard Memory: 1 GB (Removable)
Maximum Memory: 4 GB
Modules must be installed in pairs for Dual Channel mode.
Maximum addressable memory may be less than the physical memory installed.

System Memory

256MB Memory (PC2-5300) 396519-001, PX974AA, PX974AT
512MB Module (PC2-5300) 396520-001, EK477-69001, PX975AA, PX975AT
1GB Module (PC2-5300) 398038-001, PX976AA, PX976AT

Your system model no. is :-PC182A-ABA SR1103WM NA430