support.dell.comwww.dell.com 002XPJ A01P/N 02XPJ Rev. A01August 2000Dell™ PowerEdge™ 4400 SystemsRAID Memory UpdateThis document updates information contained in your Dell PowerEdge 4400 system documentation.System Memory RequirementsBefore you upgrade your system to support the PowerEdge Expandable RAID Controller (PERC) 3/Diredundant array of independent disks (RAID) controller, or before you upgrade the RAID cache mem-ory in your system, you must ensure that your system has enough system memory installed. If youare installing 64 megabytes (MB) of RAID cache memory, you must have a minimum of 128 MB ofsystem memory. If you are installing 128 MB of RAID cache memory, or upgrading from 64 MB to128 MB of RAID cache memory, you must have a minimum of 256 MB of system memory.Upgrading the System BIOS and the PERC 3/DiRAID Controller FirmwareBefore you install the RAID controller cache memory module, determine the current versions of yoursystem’s basic input/output system (BIOS) and the PERC 3/Di RAID controller firmware. The BIOSmessages displayed during the power-on self test (POST) will include version numbers of existingcomponents.The BIOS installed on your system must be version A03 or later to support 128 MB of RAID cachememory. The PERC 3/Di RAID controller firmware must be at least the version on the bootablediskette provided with the upgrade kit.To upgrade the system BIOS, use the upgrade diskette, or download the latest version from the DellPowerEdge 4400 file download page at http://support.dell.com.To upgrade the RAID controller firmware, follow the instructions in the readme file on the upgradediskette.