HP and Dell vendor has created relative Client Integration Kit for ConfigMgr 2012 R2. The HP Client Integration Kit (HP CIK) is a plug-in for ConfigMgr that improves the customer experience in deploying Windows XP and Windows 7 images to HP-managed clients. The same is seen in Dell Client Integration Pack. and http://en.community.dell.com/techcenter/os-applications/w/wiki/2565.dell-client-integration-pack.aspx
Lenovo has a website available for "Microsoft SCCM and MDT Package Index"
[read morehttp://henkhoogendoorn.blogspot.nl/2013/12/download-driver-packages-for-dell-hp.html]
