Early macbook pro 17 inch RAM upgrade

its stated that the maximum recognized memory for this model (macbook pro 2.5GHz, 17 inch early 2008) is 4GB, but someone told me that with snow leopard installed, it will recognize 8GB of memory. is it true?

apple supports up to 4gb in these macs. you can install up to 6gb unofficially. snow leopard will address & use over 4gb of ram, well over.
http://eshop.macsales.com/shop/memory/MacBook/Pro/Core2/

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