SCCM 2007 SP1 and Windows XP/Server 2003 Mass Storage Drivers
Great Post over at The Deployment Guys about txtsetup.oem drivers
Linked here:
http://blogs.technet.com/deploymentguys/archive/2008/10/03/sccm-2007-sp1-and-windows-xp-server-2003-mass-storage-drivers.aspx