windows only detects 130gbs on initial install?? out of 200?

[thegreat1]

hey guys i have a p5b-vm motherbaord. just got it. installed windows on a 200 gb hard drive, but when i formated/create partiition it only recognized 130 gbs.

after fnishing the install and updating, under disk mnagement it shows 130gb with a 50 gb partition. how the heck do i get around this?

 

[smappdi]

Install SP2.

 

[thegreat1]

I posted this in the hardware section... mods plz delete.