Intel Core 2 Duo E6300 and E6700 Overclocking

[stumbling]

I have the following system:

e6300
P5B vanilla
Corsair (CM2X512A-6400) 512 Mb DDR2 XMS2-6400
FSP Blue Storm 500W

Could I use the settings from the article in my title:
https://www.techspot.com/article/13-intel-core2duo-e6300-e6700-overclocking/page2.html

or do I not have the RAM capable of reaching this?

As you might of guessed im new to o/cing and would really appreciate any help