Can I use SATA-300 on Asus K8V-X SE Mobo?

[Coolmatt]

I've been reading that it is possible to set a SATA-300 HDD to run at a speed of SATA-150 on boards that support only SATA-150. Is this true? If it is, what do I have to do to set this up so that I can purchase a SATA-300 HDD to work on my mobo that only supports SATA-150.

 

[Coolmatt]

Anyone....?