800 MHz RAM in 2007 MBP?

[strwrsfrk]

Hi all,

I recently got a mid-2007 MBP off of Craigslist (model A1226). Only has 2GB DDR2-667 RAM. FSB on C2D is rated at 800 MHz. I cannot find any clear answer online as to whether I can upgrade the RAM to DDR2-800 RAM or if I should stick with 4GB DDR2-667. Does anyone have knowledge/experience of this? Does Apple throttle the FSB like I've heard suggested in other forums?

Thanks.

(If this is a repost of an old topic, sorry; I could not find it in the forums).

 

[Hellhammer]

The RAM should be able to underclock itself in case the memory controller does not support the default 800MHz frequency.

 

[Detrius]

That specific model of Mac only supports 667MHz RAM.

 

[bizzle]

That model will run 800mhz RAM if you only put 1 stick in and another stick of 667. It's kind of bizarre but it just won't boot, period if there are two 800mhz modules installed.

 

[strwrsfrk]

Thanks everyone for your help! I'll just stick with 667 MHz RAM to be safe.