375-3419 The minimum Solaris operating system is Solaris 10 3/05 x64. Install a single DIMM in any slot. A three DIMM memory configuration is not supported. Install the first DIMM pair in slots DIMM 1 and DIMM 2. Install the second DIMM pair in slots DIMM 3 and DIMM 4. Mouse 370-3632 is not qualified for use on the Ultra 20. Use Mouse 371-0754. The LAN2 function on the USB3/USB4 connector is not installed