PCI-6S   6-slot PICMG 1.0 backplane PBP-13L4   13-slot PICMG 1.0 backplane   BP-8P4E (PICMG 1.3)   EXPANSION : 1 PCIe x16, 3 PCIe x1, 8 PCI USB : 4 USB 2.0 PE-6S   6-slot PICMG 1.3 Passive   PE-6S2   6-slot PICMG 1.3 Passive IP-BEG8   8-slot PICMG 1.3 Passive   [1]   2   3   4