Chapter 3: About Your RAID Controller ● 17● Dual Drive Failure Protection (RAID 6)—A RAID 6 array is similar to a RAID 5 arrayexcept that it includes two independent sets of parity data instead of one.● Dual Drive Failure Protection (RAID 601)—A RAID 60 array is similar to a RAID 50 arrayexcept that it includes four independent sets of parity data instead of two.Adding a Battery Backup ModuleThis table shows the battery model supported by your ICP RAID controller.To purchase a battery backup module, refer to the ICP Web site at www.icp-vortex.com or theAdaptec Web site at www.adaptec.com.Upgrading the Controller FirmwareTo upgrade the firmware on your ICP RAID controller, follow the instructions in Using the ICPFlash Utility on page 103. You can also use the Adaptec Storage Manager to upgrade yourcontroller firmware, refer to the ICP Storage Manager User’s Guide for Internal RAID Storage.RAID Controller Battery ModelICP5805BL/ICP5045BL/ICP5085BL/ICP5125BR/ICP5165BRAdaptec Battery Module 800ICP9085LI / ICP5085BR Adaptec Battery Module 600ICP9047MA / ICP9087MA Adaptec Battery Module 500ICP9014RO / ICP9024RO Adaptec Battery Module 400