Can I use DDR2 in my Powermac g5 2.5 Dual?

I have a Powermace G5 2.5 Dual It is the first generation of the 2.5 that came out and seems to have come with 2 sticks of 256mb DDR Ram. I have a pile of DDR2 5300 ram and was wondering if these ram sticks will work in my computer. Thanks in advance.

Hello! Look at THIS article. Looks like it's pc3200. Tom

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    Number 8,
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