Ram Upgrade Problem

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Hi I just been playing around with a old computer which currently has 512mb ddr ram in it. I tried fitting some ram I had taken out of a previous computer but with no luck.

I tried installing 2 x 512mb ddr2 533 cl4 and the motherboard is a Ecs p4800prov2

http://www.ecs.com.tw/ECSWebSite/Pr...x?DetailID=674&CategoryID=1&MenuID=16&LanID=0

The ram was installed right but when i turn the pc on it only saw 512mb not 1gb.

Does this ram work with this motherboard?

Any ideas ?

Thanks

 

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I'd expect the RAM to work, both sticks have functioned alright plugged in to a different mobo recently?

Try running each stick individually in the board and swapping which stick is in which slot.

 

..as BM said in the other thread, your most helpful tool will be google.

 

Don't forget the Internet connection. And coffee. Gotta have coffee.

 

I have a RAM chip that works perfectly when in, but as soon as I put other sticks it's not recognized like it wasn't there at all. Might be sth similar, try them one at a time in all possible configurations to see if they work at all with that MB.

 

you said the first ram you had was ddr and this ram is ddr2 if so then likely not compatible.

Mixing different makes and or speeds of ram can cause issue with voltages. Usually a high speed and lower speed ram will work together but at the slowest speed.

Just because a motherboard can take a certain speed of ram it does not mean it can take all makes of that speed.

Always visit the motherboards manufacturers website for the qvl list to find what ram and cpus are compatible.

 

I have read the manual and I understood the board has 2 x ddr slots and 2 xddr2 slots.

I have tried change the voltage and speed but still no luck.

The computer runs fine but will only detect 512mb.

Any ideas?

 

Have you checked that the brand of RAM is actually supported for that motherboard?

 

Taken from the specs linked to in the first post:

º 2 x 240-pin DDR2 DIMM socket support up to 2 GB
º Support DDR2 533 DDR2 SDRAM

Combine with this with the fact that DDR is a 184pin package for desktops and DDR2 is a 240pin package, you'd have more problems than one stick not being recognized!

The board specs above only mention 2xDDR2 slots soI'm slightly concerned about the comment above suggesting you've got 4?

 

Wouldn't running both ddr and ddr2 at the same time cause problems, since they are likley different voltages?

 

If you can boot it up into windows, I would run a scan from the crucial website.

 

You can't. As the specs say, it has 2xDDR2 533 slots. That's it.

Since the mobo seems to recognize one of the sticks we can assume that they are compatible.
As already mentioned the best bet is to try 1 stick at a time in each slot. Sounds to me it's either one of the sticks or one of the slots which isn't functioning, that should tell you which one it is.

 

I have tried one stick at a time in each slot and the computer will boot sometimes and sometimes it will not. When it does boot with 1 x 512 ddr it shows up as 256mb on the bios boot screen and in windows. I currently have 2 x 512 ddr2 installed and no ddr and it still only shows 512mb.

Does it sound like it could be the motherboard?

Thanks for the help

 

I understand now Thanks for the help. I am studying to pass my A+ so it could be a good idea to replace the motherboard to get some practice.

Can you recommend a cheap one to try. This pc is only going to be a practic computer.

 

Have a look on ebay and see which one you can afford as well as one that would be suitable for the case. Best wishes