3-14AcerAltos 21000 System Guide3.2 Memory BoardThe memory board comes already installed with the basic system. Atotal of 16 168-pin DIMM sockets reside on the board. The socketsaccept 64-MB, 128-MB, and 256-MB DIMMs for a maximum of 4 GBmemory configuration. The Memory Control Interface consists of oneRAS/CAS Generator (RCG) and two Data Path Multiplexer (MUX)chipsets which belong to the Intel 450NX chipset.Each of the sockets represents one independent bank, which allowsyou to install DIMMs with different capacities to form a configuration.3.2.1 Layout3.2.2 Memory ConfigurationsEvery four slots of memory (slot 1-4, 5-8, 9-12, and 13-16) forms a 4-way interleaving group. You must configure four identical EDO/ECCbuffered DIMMs in a group for your system to work properly. Pleasecontact your dealer for a list of qualified DIMMs. Use of non-qualifiedDIMMs may cause your system to malfunction.The table below shows the working memory configurations.RCG chipset MUX chipsetMUX chipset
