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Memory upgrading

By jayevans_uk ·
I have bought a new mainboard for one of two PCs I have - both needed a new board (I believe).

The memory I had before doesn't fit - instead of buying new memory can I use spare memory chips that fit the new board ?

I'm sure I've done this before - but not for a long time, so I'm hesitant. The last thing I would want to do is "****" the new board and/or CPU - but neither do I want to spend another ?40 or so on RAM chips, unless I have to (of course).

I do hope you can help me - so I can start using my desktop PC again (using a laptop so not very ergo friendly for the amount I use it !).


Regards,
Julia

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All Answers

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You should be able to read the memory type

by IC-IT In reply to Memory upgrading

from the chip itself. You likely had DDR on the older board and now need DDR2.

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Check your motherboard mfg.'s website.

by Ron K. In reply to Memory upgrading

There should be a manual. <br>
I usually check at http://www.crucial.com or http://www.kingston.com to check memory capacity and type.

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Memory fitting

by jayevans_uk In reply to Check your motherboard mf ...

My problem is that the memory chips don't have a label to tell me exactly what type they are.

I need to know if fitting the chips I have would damage the mainboard/CPU if they're not the right ones ?


Regards,
Julia

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I don't know.

by Ron K. In reply to Memory fitting

I've never installed anything I couldn't identify.<br>
If someone says it won't hurt and it does, what'll you do? Blame them?

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If they fit into the Memory Slots without any force

by OH Smeg In reply to Memory fitting

They will work but as you can not identify them to begin with you will not know how big that they are and it may not be enough RAM to actually work the system properly.

Also as you do not know what they are supposed to be to begin with you will be unable to look in the BIOS to see if the M'Board is correctly identifying the RAM Modules. Over all if the RAM Modules have no identifying Markings on them I would consign them to the Rubbish Bin where they belong and go buy some Branded and correctly identified RAM so you know what you are attempting to work with.

Col

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Don't Go There

by willcomp In reply to Memory upgrading

If you force memory modules into an incompatible slot, the best thing that will occur is fried memory and the worst is a fried motherboard.

DDR, DDR2, and DDR3 memory is keyed slightly differently. If the module does not align with the key on motherboard slot, do not install it. Most new motherboards use DDR3 RAM.

What model new motherboard and old motherboard do you have?

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Fitting memory

by jayevans_uk In reply to Don't Go There

Hi Willcomp,

Thank you for your reply.

The memory chips fit perfectly into the slot and clip in both sides easily - so is it safe to proceed with turning the PC and checking in the BIOS how much RAM they give me ?

I know exactly what you mean about memory being keyed differently - as a long time ago (when I was a newbie to fitting memory) I tried to install a memory chip and it clicked in one side but not the other, on closer inspection I could see that the "notch" was slightly in the wrong place - so of course I wouldn't dream of trying to force it in !

In case you're wondering why the RAM chips don't have a label on, it's probably because they weren't bought from Crucial/Kingston - were taken from PCs whose memory was upgraded (you know when you have to take out a 256MB to install a couple of 512MBs), so perhaps the manufacturer doesn't bother to label them).

I don't mind not knowing the RAM size of the chips - at least I can start working on the PC again and decide whether to buy more later.

The board is ASUS P5KPL-AM SE.


Regards,
Julia

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Fitting memory

by jayevans_uk In reply to Fitting memory

If the memory chip fits perfectly and clips in both sides with no pressure at all, is it OK to turn the PC on to see if it's recognised ?

Regards,
Julia

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Yes.

by willcomp In reply to Fitting memory

There will be no shorting issues and damage. Memory still may not work properly but it's safe to try.

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Fitting memory

by jayevans_uk In reply to Yes.

Thanks very much for your reassurance. I will let you know what happens ....

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