Detailed features: PCI Bus 4-slot Passive AT/ATX Backplane.
Bus:
PCI Bus (PICMG compliant) Slots:
One PCI for CPU, three PCI for expansion Power connectors:
One PS/2 P8/P9 and one ATX power connector ATX signal:
3-pin connector LED indicators:
+/-5V, +/-12V, 3.3V Block terminal:
+/-5V, +/-12V, 3.3V, GND Board size:
4-layer, 168mm x 110mm (6.6 x 4.3)