RAM doesn't fit???

[Retro6]

So according to my internet searches in my Panasonic CF-18 it clearly says on many sites that the CF-18 takes DDR2 200 PIN RAM. I've just tried my new DDR2 RAM but it doesn't fit... the notch doesn't not match up to the RAM slot how can this be?

 

[Retro6]

Internet said there was also a CF-18 with DDR1 RAM and the Pentium M CPU

I noticed that as well. Its got to be DDR1 because DDR2 does not fit. Unfortunately I have no DDR1 laptop RAM to test the fit. I don't think CEX sells DDR1 RAM anymore neither and ebay charge a lot for used DDR1 RAM so I'll probably wont bother with upgrading the RAM until I find some cheap one day.

My CF-18 is the MK3 model so I would have assumed it used the DDR2 RAM but it would make sense it taking DDR1 RAM as it would have been the right time period of this laptop.