696484-001 - HP Touchsmart Envy 23 Socket-1155 Motherboard (Refurbished)
Amazon.com: HP Compaq Motherboard Socket 1155 for Elite 8300 MiniTower Desktop 657096-001 : Electronics
615114-001 - HP 615114-001 btx motherboard - lga 1155 socket intel h67 express chipset ddr3 sdram support for 8200 elite and 6200 pro series desktop - serverevolution.com