M605 have iDRAC. You can refer user guide (link mentioned below) to get more details on iDRAC

ftp://ftp.dell.com/Manuals/all-products/esuprt_electronics/esuprt_software/esuprt_remote_ent_sys_mgmt/integrated-dell-remote-access-cntrllr-6-for-blade-srvr-v1.5_User%27s%20Guide_en-us.pdf

You can also refer 1.65 release notes from below link. Release notes have list of supported OS and Browser

http://www.dell.com/support/drivers/us/en/19/DriverDetails/Product/poweredge-m605?driverId=WVK7Y&osCode=LHS64&fileId=3009887035&languageCode=en&categoryId=ES