How To Convert Basic Disk Into Dynamic Disk In Windows Vista Homea
Vista Dynamic Disk = RAID-0
ms says on this article
So Dynamic Disks is just a MS alias name for the industry term Logical Volume Support. Multiple physical drives are made to look as if there is one massive logical HD.
The other term for this is RAID-0. I encourage you to consider the issues for RAID-0
and the huge risk of total data loss for a very trivail performance gain.
Search this site for RAID
Why on earth would you want to do this anyway? Unless you have a good reason to go Dynamic, stick with the industry standard disk layout.