1) Except for a single DIMM in the first slot, all memory must be installed in matched pairs. Three DIMM configurations are
2) The 4 & 8GB upgrades require BIOS version R1B0S4 or later. With 4x2GB DIMMS memory speed automatically decreases to
DDR333. Using the DRS2100Z/8GB upgrade automatically decreases the speed to DDR266.