The Zaapa ZP-6B1 ATX Motherboard is a vintage computer component featuring an Intel Pentium 2 CPU with a clock speed of 350MHz. It supports up to 4 memory slots with PC100 memory type and has 3 ISA slots for expansion. With its ATX form factor and Slot 1 socket type, this motherboard is compatible with Intel CPUs and is ideal for building a retro computer system with modern components. The Zaapa brand ensures quality and reliability in this motherboard and CPU combo. Comes with 3 PC100 memory Sticks. One is kingston 128 MB. Not sure on the other 2. Does not come with the port backing plate.