IBT Technologies Inc.
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IBT Technologies Inc.; 5405 Thimens; Quebec, Canada H4R 2H4; 1-866-590-4288; info@ibt.ca
PX-20S3, 18 32-bit PCI slots for full-sized boards on the Primary bus PICMG Bridged Backplane


  • PCI-conforms to PICMG 2.1 specification.
  • ISA-conforms to IEEE P996 specification.


  • The Printed Circuit Boards (PCB) overall dimension is 263.6mm x 415.4mm (10.4”x 16.4”) and total thickness is 1.6mm (4 layers).
  • Mounting holes are provided and are located to conform to the baby AT form factor. Mounting holes are connected to Signal ground internally.
  • Operating Temperature: 0 to 60°C (32 to 140°F)
  • Storage Temperature: -20 to 85°C (-4 to 185°F)
  • Humidity: 5% to 95%, non-condensing
  • EMI/Safety: Meets FCC, CE Class A and UL, CSA and TUV


  • Dual slots PCI/ISA for the CPU board.
  • Eighteen 32-bit PCI slots for full-sized boards on the Primary bus, All slots are Master/Slave configurable by using Bus Mastering Scheme.
  • Two AT standard power connector, 12 pins, 5A max, per pin for +5V, -5V, +12V, and -12V voltages and Ground.
  • One ATX standard power connector; 20 pins, 5A max, per pin for +3.3V, +5V, +5VSB, -5V, +12V, and -12V voltages, Ground, and power Good signal.
  • One ATX control connector to distribute signals coming from the CPU boards onto connector for soft on/off ATX power supply.
  • Two P10 standard power connector, 5A max, per pin for +5V and Ground.
  • One DC power outlet.
  • Pairs of header for local connection of a fan power, and power LEDs.


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