Software Installation and User’s Guide161ICP RAID NavigatorFigure 11-131. Controller Settings Dialogs11.4.1 Controller Configuration Settings11.4.1.1 Change SettingsTo change the physical configuration of the controller, right click the controller icon andselect Change Settings. See Figure 11-131. The controller settings are described inTable 11-14.Table 11-14. Controller SettingsSetting DescriptionCache Enables or disables the ICP RAID cache.For optimum performance, the cache should be always On.Delayed WriteEnables or disables the write cache function of the ICP RAIDcache.For optimum performance, the write cache should be always On.BIOS The BIOS of the ICP RAID controller is needed to boot thecomputer and the operating system from a host drive.