1U 1X PICMG / 3X PCI SLOT Butterfly Backplane

2U 2x PICMG / 4x PCI SLOT Butterfly Backplane

2x PICMG / 4x ISA / 4x PCI SLOT Backplane

2x PICMG / 10x ISA / 4x PCI SLOT Backplane

2x PICMG / 7x ISA / 7x PCI SLOT Backplane

2x PICMG / 1x ISA / 12x PCI SLOT Backplane