Chapter 4: Installing the SATA/SAS Controller and Disk Drives l 23Checking Your Controller and DevicesOnce you have installed your controller and connected your devices, you can use the AdaptecConfiguration Utility (ACU) to check your controller and devices, as described below:1 Turn on your computer.2 When the Adaptec screen appears, press Ctrl+A to enter the ACU.3 Select the SATA/SAS controller to verify the hardware configuration of the controller andthe drives.4 If your drives have already been used in another system, select Disk Utilities. For moreinformation see Using the Disk Utilities on page 35.Check whether all the devices are available, if anything appears to be missing, power downthe computer and check the connections.Setting the Boot ControllerNote: If your system does not contain more than one bootable controller, skip this section.Adaptec SATA/SAS controllers supports bootable disk drives. The default setting of the SATA/SAS controller and system setup allows you to install and boot from either a disk driveconnected to the motherboard, or from a drive connected to the SATA/SAS controller.Note: Selecting the boot controller is done using the system BIOS Setup Utility. Launching thesystem BIOS Setup Utility varies depending on your computer model. Refer to your computerdocumentation for instructions on how to access the system BIOS.1 Enter the system BIOS Setup.2 Navigate to the disk drive boot sequence.3 Move the boot controller to the top of the list.