Appendix C: Using the Adaptec RAID Configuration Utility ● 102Opening SerialSelectTo open SerialSelect, start the ARC utility (see page 97), select SerialSelect, then press Enter.Follow the on-screen instructions to modify the settings of your controller and connected diskdrives as required.Applying Changes and Exiting1 To exit SerialSelect, press Esc until you are prompted to exit.If you modified any settings, you are prompted to save the changes before you exit.2 Select Yes to exit, then press any key to restart your computer.Any changes you made take effect after the computer restarts.Modifying Your Controller’s ConfigurationNote: Default controller settings are suitable for most computers. We recommend that you donot change the default setting.To modify your controller’s basic settings, select Controller Configuration from the mainSerialSelect menu.To modify your controller’s power management settings, select Advanced Configuration.To modify your controller’s PHY settings, select PHY Configuration.Some options may not be available for your controller.General Controller SettingsNote: Default settings are shown in bold type.Option DescriptionDrive’s Write Cache When set to Enable All, write cache is enabled on all disk drives on thecontroller. (Enabling the write cache overrides any individual drivesettings in Adaptec Storage Manager.) When set to Disable All, writecache is not used on the disk drives. When set to Drive Specific, writecache is enabled/disabled on a per-drive basis in Adaptec StorageManager.Caution—When write cache is enabled, there is a slight possibility ofdata loss or corruption during a power failure.Runtime BIOS When enabled, the controller BIOS allows the controller to act as abootable device. Disabling the BIOS allows another controller to act as abootable device.Automatic Failover When enabled, the controller automatically rebuilds an array when afailed disk drive is replaced. When disabled, the array must be rebuiltmanually.Array BackgroundConsistency CheckWhen enabled, the controller constantly verifies a redundant array. Notethat there may be a significant performance reduction. Default isdisabled.Array-based BBSSupportWhen enabled in systems that support BBS, the controller presentsattached bootable devices up to the BIOS for boot device selection. Thisis relevant for logical arrays. Default is disabled.SATA Native CommandQueuing (NCQ)When enabled, NCQ is enabled. Disable this feature if you want toattach more than 48 SATA II disk drives. Only available with SATA II diskdrives.
