Don't know if this has been posted before, but it explains how to change an IDE driver to SCSI for VM it is MS focused but explaines tehe process reasonably well.
http://www.microsoft.com/downloads/details.aspx?FamilyID=8d71f23d-0380-4c2f-81df-6f96abe05493&Displa...
Tom Howarth VCP / VCAP / vExpert
VMware Communities User Moderator
Blog: http://www.planetvm.net
Contributing author on VMware vSphere and Virtual Infrastructure Security: Securing ESX and the Virtual Environment
Contributing author on VCP VMware Certified Professional on VSphere 4 Study Guide: Exam VCP-410
