Is this possible?

[ToolBox]

I'm not very good with HDDs, so if this sounds basic I'm sorry.
I want to set up a dual SATA rig.

One HDD will be a 74Gb raptor (here I want to install my OS and games and benchmarking stuff)

The second HDD will be a 250GB WD sata drive (here I will put my music, videos, and other programs that doesn't need the raptors pure speed)

Is it possible to actually do this? How would it be done?

Thanks :)

[CrashOveride]

Yes
You would buy the HDDs plug them in if you have onboard SATA or buy a PCI card. If you have native SATA on your motherboard then you don't have any problems just plug it in and install like you would normally - format the Raptor and then in windows format the 250Gb.
If you have onboard SATA that isn't native (NF2 boards for instance) or use a PCI card you need to either have a floppy ready and press the key to install SCSI/SATA drivers when asked or find a process like this (http://www.nforcershq.com/forum/viewtopic.php?t=8892&highlight=slipstream) for your motherboard so that XP has the drivers in it already (then install like normal).

Thats for XP and I am pretty sure it's the same for 2k as well but I am not totaly sure. For windows 98 I dunno :p

[ToolBox]

I'll be using an ASUS P4C800-e dlx, it has onboard sata. So it sounds really easy. Might be the way to go :)

[CrashOveride]

It is pretty easy, not sure if your board has native or not though.