1) LRDIMMs will only work with this version of BIOS.  Boards that have been flashed with the standard version of BIOS will not boot with LRDIMMs installed.

2) If board does not boot with LRDIMMs, please remove the LRDIMMs and install UDIMMs or RDIMMs.  Then use the contents of this zip file to upgrade the BIOS.  Once completed, LRDIMMs can be swapped back in.

3) This version of BIOS is frozen as of 7/18/11.  There are no plans to upgrade features.  

4) 16 GB LRDIMM can run up to 3 DPC (total board capacity of 288 GB) at speeds up to 1066 MHz.  32 GB LRDIMM can run up to 2 DPC (total board capacity of 384 GB) at speeds up to 1066 MHz.  

5) Reducing the number of DPC will not increase the speed.  Low voltages DIMMs are not supported. 