Using a Supermicro X7SBE board with the Adaptec HostRaid 5081 embedded chip and Server 2008 R2. I used
64Bit drivers from your FTP that worked for CD based install only are: /driver/SATA/Adaptec_ICH9R/Windows/17712 (17722 is not recognized by R2 as a valid driver!)
So the installer recognizes the Adaptec HostRAID and actually is able to install, however as soon as the system reboots and the OS tries to continue the install from the RAID it reboots the system
Need latest 64Bit driver to install Server 2008 R2, where I can find the latest driver?
Please email to support@supermicro.com and ask for 17725.3 driver or download it from
https://www.supermicro.com/wdl/driver/SATA/Adaptec_ICH9R/Windows/17725.3/