For the AMD 6200 in a HP DL585 G7 -
HP's site says yes: http://h18004.www1.hp.com/products/servers/vmware/supportmatrix/hpvmware.html#note5x
VMware's HCL says yes: http://www.vmware.com/resources/compatibility/search.php?deviceCategory=server&partner=41&keyword=585&cpuSeries=58&pFeatures=49&page=1&display_interval=10&sortColumn=Partner&sortOrder=Asc