This attribute is bit encoded and specifies additional detail about the physical Memory Device. SMBIOS 2.3.4 specification defines that multiple bits can be set if more then one of the following attributes applies: bit 0 reserved, set to 0 bit 7 synchronous bit 1 other bit 8 CMOS bit 2 unknown bit 9 EDO bit 3 fast-paged bit 10 Window DRAM bit 4 static column bit 11 cache DRAM bit 5 pseudo-static bit 12 non-volatile bit 6 RAMBUS bits 13:15 reserves, set to 0