2-4Installing the Controller and Drives8 Install the controller in the PCI slot and secure the controllerbracket to the chassis.For Adaptec 2020SA/2020ZCR/2025SA/2025ZCR—Insert thesecontrollers in the supported ZCR enabled slot on themotherboard and gently press down until they click into place.They may also be secured using other means available from thesystem manufacturer. See your motherboard documentationfor more information on your supported ZCR enabled slot.9 Connect the computer’s disk activity LED cable to theappropriate connector on the controller. See Appendix G forthe location of this connector for your controller.Ensure that the positive lead of the LED cable, usually a redwire or a wire marked with a red stripe, is attached to pin 1 andthe negative lead, usually a black wire, is attached to pin 2.10 Install and connect any internal drives using the appropriatecable.Note: If you are building a RAID 5 as described in Creatinga Bootable RAID 5 Array on page 2-5, you must install atleast three drives.11 Close the computer cabinet.12 SCSI controllers only—Connect any external cables and drives tothe Adaptec SCSI RAID controller.Determining the Boot ControllerNote: If your system will contain two or more bootablecontrollers, read this section. Otherwise, skip this section.The Adaptec RAID controller supports bootable drives and arrays.The default setting of the controller and system Setup usually allowsyou to install and boot from either a hard drive connected to themotherboard, or from a drive or array connected to the controller.
