Member Avatar for preston326

Hello,
I want to upgrade my old PC by adding more RAM (256 or 521). The problem is that I'm newb at hardware and stuff. I know there are many types of RAMs DDR, DDR2 and what not so which type should I buy?
Also, I currently have single chip with 512MB. If I incert lets say 256 next to it will it work, or does it has to be 512 like the first one?
There is my system report :
Thanks

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  • Latest Post Latest Post by efmesch

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Quick, practical plan for based on the replies already here.

Start by confirming the memory generation and the number of DIMM slots (as pointed to in the manual and as recommended using a scanner). Look for the motherboard model printed on the PCB or run a simple utility (CPU‑Z or the motherboard manual) to read SPD: that will show whether the board needs original DDR, DDR2, etc., the slot count, and the module voltage/timings. Ignore advice to buy a different generation unless the manual/utility explicitly says that generation is supported (see ’s correction).

Compatibility rules that matter but aren’t obvious: different capacities will usually work together, but the system will use the slowest module’s timings/speed and may not deliver matched-channel performance. Mixing brands sometimes causes instability (as experienced) — matched modules or a matched kit give the best chance of trouble‑free operation. If an exact match isn’t available, buying one larger, single module can be the simpler, more reliable option.

Installation and testing checklist: power down and unplug, discharge static, seat modules firmly into the recommended slots from the manual, then boot to the BIOS/POST to confirm total memory. Run a dedicated memory test (MemTest86 or Windows Memory Diagnostic) for several passes to confirm stability. If the machine won’t boot or is unstable, test each stick alone and try different slots to isolate a bad module or slot. Keep the receipt and packaging so a return or exchange is possible.

Buying tips: choose reputable suppliers, confirm return/exchange policy, note the exact generation/type and preferred slot population in the listing, and prefer a matched pair if aiming for maximum performance.

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All 7 Replies

Member Avatar for Xlphos

Have you tried running the Crucial System Scanner?

This should tell what type of ram you have and what you can get.

I would go for another 512MB module. It would be better to get a memory module that has the same clock speed.

You need to make sure the RAM is compatible with your system. I think your system is compatible with DDR400/333/266 RAM.

If your current memory is DDR400 (clock speed 400MHz) then get a memory module that is DDR400. Make sure both modules have the same clock speed.

- Hope this helps.

Member Avatar for preston326

Thanks mate, I will try that

Member Avatar for andrew2169

DDR2 is a best for you. Try to buy this type of ram for your pc. It will increase your PC speed. Thanks for asking.

Member Avatar for caperjack

hi,here's you motheboard manual ,it shows it can takes ddr1 not DDR2; up to 2 gig .

Member Avatar for thitsuki

hello..

i read that you incountered problem of upgrading your pc specially your RAM. i suggest that you bring your OLD RAM to a computer shop and ask about what you should need to upgrade it...simplify by asking what type of RAm you need or what RAm is compatible to it.......hehehe sorry for some wrong grammar...

Member Avatar for jermaghs07

DDR2 is a best for you. Try to buy this type of ram for your pc. It will increase your PC speed. Thanks for asking.

If you don't know what your talking about please don't post.

His computer won't take ddr2, if he had followed your advice he would be wasting money on the wrong part.

Thanks

Member Avatar for efmesch

In the past I have had problems with identical specification memory sticks manufactured by different firms. Whereas they check out flawlessly (by mem test) individually, when placed in the mobo in adjacent slots they would soon give me a BSOD.
Since memory sticks have gone down considerably in cost over the years, especially in the low GIG range, I would recommend that, rather than buying a second stick of "low" memory to double your capacity, if you can't get EXACTLY the same as what you already have, go for one stick of double or higher memory capacity. If you decide to buy a second comparable stick, make sure that your store will grant you the option to return it or exchange it for a different one of higher capacity should it prove to be problematic..

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