Second ram slot not doesn't work

ll motherboards, which have 5 PCI2 ISA1 AGP) For memory, load up all you could ever want with the 4 SIMM and 2 DIMM memory slots (Pentium ll motherboard has

Digital twin 12+2+2 phases VRM solution; Dual Channel DDR5：4*DIMMs with AMD EXPO Memory Module Support; PCIe UD Slot X： PCIe x16 slot with

dimm slot 2 Design Bundled expansion card with heatsink allows two drives to be connected via a SO-DIMM interface and helps control SSD thermals for maximum

dimm slot not working 2 sockets, ASUS has a slot beside the RAM slots that will take ASUS' expansion card This holds two more PCIe drives, and