Old memory compatible with a newer mobo?

I have an old Pentium 3 800Mhz, and I am thinking about upgrading to a new mobo and CPU, new being the cheapeast I can get. Let us say an AMD Sempron. The total cost would probably be around 100 for both the CPU and Mobo. I am wondering if I can use the memory from the P3 on it. What do you think?
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More about memory compatible newer mobo
  1. Let us say it is this CPU.

    AMD Sempron 3000+ 1.80GHz / 128KB Cache / 1000MHz FSB / Hyper-Transport / Winchester Core / Socket 939

    http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=2227092&Sku=CP2-SEM-30009X%20C
  2. The motherboard specs list the types of RAM to be used, not the processor. Your RAM will likely not work on any new MB you choose to run an AMD processor on.
  3. Your old Pentium most likely uses 168 pin SDRAM.
    Newer hardware like a socket 939 uses 184 pin DDR RAM, and if you go socket AM2, you will need 240pin DDR2 RAM.
    In short, no it won't work. Sorry.
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