No sooner said then done. Looks like the new 2.1 SLIC is now out . Just flash my E6500 and it certainly looks like 2.1
-Motherboard Manufacturer and Model : Dell XPS 400 / Dimension 9150 -Bios Revision : A02 -Bios Type : Phoenix -Bios SLIC : Currently none. Requesting Dell 2.1 -Bios Link : (attached) Really hoping someone can mod it. Thanks in advance!