D-Link DSN-2100-10 - xStack Storage Area Network Array Hard Drive Hardware Reference Manual

Also see for DSN-2100 xStack Storage: Release notes User manual

Contents

26 Appendix A Replacing and Upgrading FRUsA.2 Installing MemoryThe xStack Storage Array provides four memory sockets: Two sockets (J36 and J37) are for buffer/cache memory Two sockets (J38 and J39) are for system memorySystem Memory: The xStack Storage controller can address up to 2GB of system memory, butonly 512MB are required for operation of your controller. Your controller will have comestandard with at least 512MB (2 x 256MB modules) making upgrading of system memory notnecessary. Please see Figure A-6 system memory location.Buffer (Cache) Memory: The xStack Storage controller can address up to 2GB of buffermemory, and comes standard with at least 512MB (2 x 256MB modules) installed. This shouldwork well for most applications. However, several applications (such as video streaming) ofthe product could benefit from increased cache memory. Please see Figure A-6 for buffermemory location.Note on Memory: The xStack Storage controller’s system and buffer memorymust be installed as matching pairs. Table A-1 lists the specifications for DIMMs supported bythe xStack Storage Array. These memory module specifications are crucial to the operation ofyour SAN array. Please visit the www.dlink.com website for tested memory modules.Table A-2 shows the possible memory configurations for your xStack Storage controller.Please note that you must use matching memory modules for DIMM0 & DIMM1 as well asmatching memory modules for DIMM2 & DIMM3.Figure A-6 Buffer and System Memory Location