ram problem please help

[kidveedublu]

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has any one had a similar problem? ive got a power mac g5 dual 1.8ghz.. i just bought some kingston memory .two sticks of 512 ddr3200/400 desktop. I put the memory in and the machine recognizes the upgrade and boots real quick but as soon as i run a program it crashes..when i take out the new memory it runs as before but if i take out my pre existing memory and run the sticks of 512 it wont boot. I know it is a memory issue but does anyone know why?????.... the specs are correct and i am running them in pairs wtf? thanks everyone

 

[Ogre55]

I don't know a ton about it but I just ran into a problem where my computer only recognized half of the chip I installed. The consensous from other people on this site was that even though the specs were right there are other configuration issues involved in some chips. I had to send my chip back and am waiting for a new one to see if that solves the problem. So in short it seems that even if the specs appear to match the chip might not be right.

 

[kidveedublu]

thank you.. ive seen that before and expierienced that myself w pcs ...this one has got me stumped because I started w/ 256mb of ram put in the new ram 2 sticks of 512. and it says i have 1.25 gb which is correct. when i launche any program it crashes. if i take out the gig it works like before...
oh yeah now it does not recognize my jump drive now in the finder or desktop as it did before but if i go to the system profile and look at my usb slots it sees it there.... alll of this at once......i love my mac and i have to cure her ..lol thanks again

 

[lazyboy922]

could just be bad ram, happend to my PB with ram from crucial. sent it back and got a replacement. runs perfect now.

 

[CanadaRAM]

What model number of Kingston RAM did you get?