Memory Question, help please. memoryqqq2005-04-22 03:03:39

Recently I bought a Dell DimensionTM?? 3000. The memory is 256MB DDR SDRAM at 400MHz. I want to install one of my old memory, 256M DDR, PC2100. It doesn't work.

I found the dell memory is PC3300. Does that mean I need to install PC3300 DDR to upgrade the memory? What are difference between them.

Thanks.

If the PC designed for 400MHz,

回复：If the PC designed for 400MHz,

PC3300 is DDR2 not DDR

Using unsynchronized RAM will

You can't use DDR RAM!

why not