Patent ID: 8694726

Claim:
A memory module system comprising: a main printed circuit board; an adapter card comprising a data buffer device and a controller, the adapter card directly physically coupled to the main printed circuit board; at least one memory module card that is coupled to the main printed circuit board via the adapter card, the at least one memory module card comprising a non-volatile memory communicatively coupled to the controller of the adapter card; a further adapter card comprising a further data buffer device, the further adapter card directly physically coupled to the main printed circuit board; and at least one further memory module card that is coupled to the main printed circuit board via the further adapter card; wherein the adapter card is configured such that at least one of data, address, and control signals received by the adapter card via a first connection and the data buffer device are transmitted by the adapter card via a second connection and the data buffer device to the further data buffer device of the further adapter card.