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Triple Passive PCI Backplane (PCI-103)

 

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Triple Passive PCI Backplane (PCI-103)

  • For use with COM-100 Sparrow Single Board Computer

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The PCI-103 Passive Back Plane is a passive PCI Back Plane for use with the Industrial Design, Inc.’s COM-100 - Sparrow Single-Board Computer (SBC). The PCI-103 Passive Back Plane enables assembly of a 1U Rack mounted unit utilizing the COM-100 - Sparrow SBC with up to three external add-on PCI Bus Master cards, and, through addition of the optional COM-112 - “KVM board 2” Front Side 1U Add-on card and the COM-113 - “COM+3LAN” Back-End add-on card, with CRT, Keyboard, Mouse connectors and 9 LED indicators in the front of the unit, and 3 Ethernet and 1 COM Port in the Back of the unit.

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The COM-100 - Sparrow SBC allows expansion with externally attached PCI cards from the COM-100 - Sparrow’s single edge-mounted PICMG expansion connector. The PCI-103 Passive Back Plane allows expansion with up to three external PCI boards, which are mounted “butterfly fashion”, where the COM-100 - Sparrow SBC occupies the PCI socket visible at the bottom-left of the picture above, and the add-on boards occupy the three other PCI connectors, two of which are mounted on the other side of the back plane (bottom connectors visible at the top of the picture above) and one of which is mounted on the same side as the COM-100 - Sparrow, “behind” the COM-100 - Sparrow board at the “back” of the unit (PCI connector shown on the bottom-right in the picture above).

The PCI-103 is a high-quality 8-layer pass-through Passive PCI Back Plane with built-in external Bus-Master arbitration and pass-through for three Ethernet Channels and one COM Channel from the COM-100 - Sparrow SBC to the “back” of the unit. The PCI-103 allows expansion with up to three external slave or bus master add-on PCI cards, utilizing the ~REQ0 and ~ACK0 pins on the COM-100 - Sparrow SBC’s edge-mounted PICMG Expansion connector connected to an Request/Grant arbitrator chip mounted on the PCI-103 Back Plane. The PCI-103 Back Plane also provides connection to an ATX-type Power Supply, which supplies power to both the COM-100 - Sparrow SBC and the three external add-on PCI cards, all of which are supplied with power via the PCI-103 Back Plane’s PCI connectors. No other power connectors are used.

The PCI-103 Passive Back Plane is laid out in such a way that the end bracket of the external PCI expansion board mounted in the “front” is ¼ inch inside the edge of the Industrial Design COM-112 “KVM board 2”, allowing the end bracket to be mounted completely inside the front plate of the unit.

The Industrial Design COM-112 “KVM Board 2” Interface Board plugs into the end headers on the COM-100 - Sparrow SBC and provides the following “normal” connectors and indicators at the “front” of the unit:

  • Recessed RESET Button
  • PS/2 – Keyboard connector
  • PS/2 – Mouse connector
  • 6 (3 x 2) LEDs showing Activity and Link for all three Ethernet Channels
  • 3 extra LEDs showing Power ON, HD activity and WATCHDOG
  • 2 stacked USB ports
  • 1 DB-15-Female (CRT) connector
  • Pass-through for the signals for the COM-113 - “COM+3LAN” connector board used in the “back” of the unit

The Industrial Design COM-113 - “COM+3LAN” Interface Board plugs into the “back” end of the PCI-103 Back Plane, and provides the following:

  • One DB9-Male (COM1) right-angle connector
  • Three RJ-45 (Ethernet 1, 2 and 3) connectors, each with its own Activity and Link LEDs.

The “PCI-103” passive PCI back plane may be ordered from Industrial Design as part number PCI-103.

The “KVM Board 2” add-on card may be ordered from Industrial Design as part number COM-112.

The “COM+3LAN” add-on card may be ordered from Industrial Design as part number COM-113.