[not quite a necro resurrection]
My old root drive Samsung's seem to be having intermittent problems, and thus threatening a failure soon. However, my system (originally built by ARM, RIP) is now several years old and only supports SATA I.
Do the Velociraptors have jumpers to backwards support SATA I, or is only usable for SATA II? I can not find any information in reviews or teh WD data sheets.
I've never had to jumper an SATA II device to work on older controllers. For about 6 months I was using a Raptor 150gb(SATA1) with a 500gb AAKS(SATA2), doing so made the controller(SATA 2 capable) work at only SATA 1 speeds, and both drives still worked. So, it shouldn't be an issue.