Please follow below SOP to install Windows Vista/7 64bit OS on the RAID volume:
Step 1: Flash BIOS to latest version.
Step 2: Connect all HDDs then do below settings:
Set [SATA Mode] as [RAID Mode]
Change [Onboard RAID 3TB+ Unlocker] to [EFI Compatible ROM]
The options are located in BIOS > [Advanced] > [Storage Configuration]
Then press F10 to save settings.
Step 3: Press F11 during boot up and choose boot to [Built-in EFI Shell].
Step 4: Key in 'drvcfg', and you will see the information like below:
Drv[4E] Ctrl[B5] Lang[eng]
Step 5: Key in 'dh [Drv number]', for example: key in 'dh 4E'.
Step 6: Key in 'drvcfg –s [Drv number] [Ctrl number]' to enter Raid Utility.
For example: key in 'drvcfg –s 4E B5'
Step 7: Choose [Logical Drive Main Menu] to set up Raid Drive.
Step 8: Choose [Logical Drive Create Menu] to create a Raid Drive.
Step 9: Choose [Usable Physical Drive List] to select Raid HDD.
Step 10: Press Space on keyboard to toggle checkbox.
Step11: Choose [Ld Size setting], and key in the Raid size.
Step12: After set up Raid size, please click [Start to Create]
Step13: Press 'F10' to Exit Utility.
Step14: During reboot, please press 'F11' to enter Boot Menu.
Choose UEFI: CD/DVD Drive
* This option only shows on Windows7 64bit and Vista 64bit OS.
Step 15: Follow Windows Installation Guide to install OS.
Please load latest SATA RAID driver ver.3.3.1540.22 during OS installation from our website
Step 16: Install latest drivers from ASRock website.
Asmedia Hard Disk Controller Driver
Asmedia Hard Disk Controller Drivers
Download driver Asmedia 106x SATA Controller Drivers version 3.2.3.0000, v.3.2.1.0000, v.2.0.3.0002 for Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10 32-bit (x86), 64-bit (x64). Latest ASMedia USB 3.x drivers: a) pure Drivers: 'pure' 32/64bit ASMedia USB 3.0+3.1 Drivers v126.96.36.199 WHQLASMedia USB 3.0/3.1 drivers are dated, WHQL certified and suitable with all Windows Operating Systems from Win7 up to Win10 x86/x64. They can be manually installed from within the Device Manager. Our database contains 2 drivers for ASMedia XHCI Controller. For uploading the necessary driver, select it from the list and click on ‘Download’ button. Please, assure yourself in the compatibility of the selected driver with your current OS just to guarantee its correct and efficient work.
If the SATA hard drive is not showing then click the Load Driver option. The 'additional controller driver' is the SATA controller driver. Whether the SATA controller is embedded on the motherboard or is an add-on card, the driver(s) can be found on the CD or website of the manufacturer. If you need more information on installing SATA. Info about the driver, Name, Asmedia 106x SATA 6G Controller Driver The driver SATA controller ASMedia. Drive and suspend core power and will not just drops SSDs. Nokia Lumia 620 Usb Drivers Windows 7.