28 Memory Module(s)Replacing Memory Module(s)CAUTION: If the memory module is not installed correctly, your computer may notboot.CAUTION: If you remove the original memory module(s) from your computerduring a memory upgrade, keep them separate from any new module(s) that youmay have, even if you purchased the new module(s) from Dell. If possible, do notpair an original memory module with a new memory module. Otherwise, yourcomputer may not start properly. The recommended memory configurations are:matched memory modules installed in DIMM connectors 1 and 2 and anothermatched memory modules installed in DIMM connectors 3 and 4.Recommended memory configuration:Type Slots1600 MHz DDR3 Slots 1 and 2 or slots 1 through 4
