MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel mode. Kingston offers "K2" kit part numbers for Dual Channel mode.
This system only supports 4 ranks of DDR400 memory. If two dual-ranked DIMMs are used, the 3rd and 4th sockets are disabled.
This motherboard supports both ECC and non-ECC memory. When mixing ECC and non-ECC modules, the system will not perform the ECC function.