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BackPlane Manufacturers

If the Backplane is produced for a particular card form factor, for example cPCI or , VME then you can check that particular BUS page or the COTS card page for more information. A listing of P1 and P2 connector manufactures may be found on the main VME page. Links off that main page also point to the VMEbus pin-outs. See the Mother Boards page for a listing of OEM electronic Mother Board manufacturers.
This is a general listing of Electronic Backplane manufacturers.
The types of products or devices the manufacturers produce are listed under the company name, in alphabetic order.

______________
Ant Computer Inc. {PC-ISA/PC/PCI Backplane Manufacturer}

AP Labs Inc. was purchased by Kontron in 2010

Bustronic Corp. {VME64x, VME320, VME, Compact PCI, VXI, H.110, AdvancedTCA, GigaBridge, StarFabric Backplanes}

Chassis Plans {Manufacture passive and active PCI backplanes supporting 2 to 20 slots and ISA, PCI, PCI-X and PCI-Express.}

Comtel Electronics {VME, VME64x, VPX, Gigabit VME64x Backplanes, VXI, CompactPCI, PXI BackPlanes}

Core Systems {Passive 6/7/13 slot PCI-Express/ PCI-X Backplanes}

Curtiss-Wright {carries VME,VME64x, VXS, VPX, and cPCI BackPlanes}

Dawn VME Products {3U/6U CompactPCI Backplanes, Monolithic VME/VME64, Discrete VME J1/J2 Backplane, VPX Backplanes}

Diamond Point International {PICMG Backplanes}

Elma {AdvancedTCA, MicroTCA, CompactPCI, VME64x, VME, VXS, VPX, PXI, V320, VXI}

ERNI {VME64x, CompactPCI BackPlanes, Power Backplanes}

Global American Inc. {Backplanes supporting ISA, PCI, PCIAGP, PICMG, PCI/ISA, PCISA, Bridged PCI, PICMG 1.3, PICMG 1.0}

Hartmann Elektronik {VME, cPCI, Industrial PCI, PCI, SMP, ECB, ATCA Bus BackPlanes}

Kontron {VME64 Backplanes and cPCI backplanes. PICMG 1.3 Backplane}

One Stop Systems Inc. {3U cPCI; 4, 6, 7, 8 slot cPCI backplane. 6U cPCI; 1 to 8 slot cPCI backplane, and Passive PCIe backplanes}

Schroff North America {3U/6U cPCI and VME64x,Monolithic backplanes. PXI, ATCA and Power bus Backplanes}

Tracewell Systems {VME, VME64x, VXI, PXI, and CompactPCI BackPlanes}

Trenton Technology Inc. {PICMG 1.0, PICMG 1.3 (SHB Express), PCI Express (PCIe), PCI-X, PCI, ISA backplanes}

Twin_Industries {Manufactures 5, 7, 12, and 21 slot J1/J2 monolithic VME backplanes}

Vector Electronics & Technology, Inc.
{cPCI, VME64x, VME J1-J2-Monolithic, STD and 96-pin uncommitted Backplanes}

VMEbus Backplane description
VME backplanes will always consist of a J1 backplane. Except for the daisy-chained lines all signals on rows A, B, and C of J1 must be bused. The J1 connector may be either a 3-row (x32) 96-pin or a 5-row (x32) 160-pin connector.

A VME backplane may also have a J2 backplane (in addition to J1). The J2 backplane may be a separate PWB located just below the J1 backplane or be a monolithic backplane containing both J1 and J2. All signals on row B of J2 must be bused. The J2 connector may be either a 3-row (x32) 96-pin or a 5-row (x32) 160-pin connector.

The VMEbus backplane may have between 1 and 21 slots. The length of any VME backplane is [number of slots] x [20.32mm]. The height of J1 (or separate J2) backplane is 130mm. A monolithic J1/J2 backplane will be 160mm. Board Height may be given in 'U', 1U = 44.45mm, 2U = 88.90mm, and so on.

cPCI Backplane description CompactPCI [cPCI] backplanes will be between 1 and 8 slots (the maximum). Plug in Cards are spaced on 0.8 inch centers. Like VME the back plane may except 3U cards, or 3U and 6U cards. cPCI uses the same Euro Card sizes, with the same spacing; however cPCI uses 2mm connectors. The backplane should provide access to a +5volt, +/- 12volt and a 3.3volt supply. I believe the Telcom version provides 48 volts as the system power. The backplane is passive. The bus requires one card acting as the systems controller residing at either end of the back-plane (chassis), termed the System Slot. The remaining cards (slots) are termed the Peripheral Slots. PXI, cPCI for Instrumentation, uses the same backplane. In cPCI, the system slot may reside in any slot of the back plane with the other 7 slots as peripheral cards. In PXI, the left most slot is the system slot followed on the right by 7 peripheral slots. In addition, 3 other slots, with do not contain back plane connectors may reside to the left of the system slot. These additional 3 slots provide expansion (wider card) for the system card.

3U 8-Slot cPCI Backplane

PC Backplane description
PC Backplanes are called Mother-boards. PC Mother Boards are currently being manufactured and shipped with some number of PCI slots. Some may still contain ISA slots. Industrial PC Mother Boards may also contain PISA slots. Soon Serial PCI slots (PCI Express) may be found next to the normal PCI connectors. For a larger listing of PC Mother Boards see the Mother Board manufacturers page.

Current MotherBoard form factors; Also sub-divided into the Processor Socket types:

Socket refers to the type of processor ziff socket used. Slot refers to the Processor residing in a Daughter card.

...AT:
...Baby AT: 11.2" wide x 8.2" deep
...microATX: 9.6" wide x 9.6" deep (244mm x 200mm).
...Mini-ATX: 11.2" wide x 8.2" deep.
...Flex ATX:9.0" wide x 7.5" deep (229mm x 190.5mm). Differs from microATX; new socketed processor, smaller, ATX 2.03 I/O panel
...NLX: From (9.0" wide x 13.6" deep) to (8.0" wide x 10.0" deep) and any size in between.
...LPX: 250mm x 220mm
...WTX: (workstations)
...ATX: 12" wide x 9.6" deep (305mm x 244mm). Essentially a Baby AT mother board rotated 90 degrees in the chassis.
........Slot 1: Pentium II/III, Celeron
........Slot 2: Dual Xeon
........Slot A: AMD Athlon, Thunderbird, Duron K7;
........Socket A: AMD Athlon
........Socket 7: Pentium, AMD K6-2, K6-III; (Super 7): TBD
........Socket 370: Pentium II/III, Celeron
........Socket 393: AMD Athlon
........Socket 423: Pentium 4
........Socket 754: AMD Athlon
........Socket 478: Pentium 4, smaller than Socket 423
...Extended ATX: 12" x 13.05" (W x H)
...BTX: (Balanced Technology Extended) 325.12mm wide x 266.70mm deep
........microBTX: (Balanced Technology Extended) 264.16mm wide x 266.70mm deep
........picoBTX: (Balanced Technology Extended) 203.20mm wide x 266.70mm deep
...ITX: 220mm x 170mm
........mini-ITX: 170mm x 170mm
........nano-ITX: TBD

Embedded Mother Board Formats:
........EBX; 8.00" x 5.75"
........ETX; (Embedded Technology eXtended) 95mm x 111.6mm (5.75 x 8 inches)
........ETXexpress; (Embedded Technology eXtended) 90mm x 125mm, based on the PCIexpress bus
........SOM-ETX; System On Module - ETX) 4.50" x 3.70" (114mm x 95mm)
........5.25" Mini Module; 8.0" x 5.75" (203mm x 146mm)

For additional information on buses see the ISA , PCI , cPCI , VME , VXI, or any other interface bus description page

This is a general listing of Backplane manufacturers. The types of products or devices the manufacturers produce are listed under the company name, in alphabetic order.
If the Backplane is produced for a particular card form factor, for example cPCI or , VME then you can check that particular BUS page for more information or the COTS card page for additional OEM manufacturers. For a larger listing of PC Mother Boards see the Mother Board Manufacturers page. Additional electronic Equipment manufacturers may be found by selecting the OEM Equipment icon below.

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