RAM Troubles

Sony / Pcg-k23
January 17, 2009 at 19:17:52
Specs: Windows Vista, Pentium 4 @ 2.18Ghz / 1GB PC2700
Please help me!!!

My best friend gave me her computer to fix up. Her computer is quite old and takes DDR333 PC2700 RAM. So naturally I went straight to the store and bought 2GB. Came home and installed it. Lo and behold the computer is only recognizing 960MB. LAME! So I thought that perhaps one of the DIMM slots was bad. So I took out one of the chips and then the computer recognized only 480MB!!! So I went to Sony's website and found out that the computer maxes out @ 1GB. So I took the 2GB back and bought 2 512 sticks. I get home, install them, and once again the computer recognizes only 480MB. What gives??!!! I know that I have installed the exact type that it needs and there are no reasons I can think of for the computer to recognize exactly half of the RAM that is installed. Please help me. She needs her PC back for school...


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#1
January 17, 2009 at 19:30:42
It's beyond me why anyone would rush out & buy RAMS without first checking the machine's technical specifications. The maximum RAM that this laptop can support is 1GB (type DDR SDRAM).

http://www.shopping.com/xPF-VAIO-PC...

i_Xp/VistaUser


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#2
January 17, 2009 at 20:03:57
Could be a density issue. If that's the case, only 50% of the RAM will usually be detected. The reason you're only seeing 480MB is because 32MB is being used by the onboard video.

http://support.gateway.com/s/tutori...

http://www.crucial.com/store/mparts...


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#3
January 18, 2009 at 06:50:49
And if at all in doubt as to what it will handle... go to:

crucial.com

and let their site check the system to see what it "will" handle; what specs etc. are for the RAM required. And you can also manually supply the details of the PC and get the same info...


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Related Solutions

#4
January 18, 2009 at 13:46:34
"So naturally I went straight to the store and bought 2GB" Why? If you've worked on computers for any length of time, you should know to confirm what hardware will be supported by the MOBO and the OS before buying ANYTHING....


http://www.crucial.com/store/listpa...

"So won’t you give this man his wings
What a shame
To have to beg you to see
We’re not all the same
What a shame" - Shinedown


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#5
January 19, 2009 at 12:04:07

Thanks all, for your responses. But this is apparently a special case. Sony has made this specific line of VAIO laptops only compatible with two kinds of RAM. Infineon and Crucial. Since I can't purchase Infineon and the Crucial for this computer is 49.99 per stick of 512MB;I chose the road less traveled and put 2GB of Corsair. Of course the motherboard only supports 1GB and due to the compatibility issue, the computer will only recognize one half of whatever you put in there. Hence it is recognizing exactly 960MB (1024 - GPU). Problem solved. Thanks again.

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#6
January 19, 2009 at 14:08:33
"Sony has made this specific line of VAIO laptops only compatible with two kinds of RAM. Infineon and Crucial." Where did you see this information?

"So won’t you give this man his wings
What a shame
To have to beg you to see
We’re not all the same
What a shame" - Shinedown


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