Tech Specs and Downloads.

Up-to-date technical specifications and related downloads of the BPX8093 Backplane

BPX8093 Backplane Downloads

  1. Data Sheet
  2. Layout Drawing
  3. Block Diagram
  4. Jumpers, Connectors and PCIe Link Status LEDs

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Tech Specs

Model Number
Form Factor

14-slot form factor supports one combo or server-class, PICMG 1.3 SBC and up to ten PCI Express option cards.  All card slots use x16 PCIe mechanical connectors and six of these slots are driven with PCI Express 3.0 electrical interfaces from a Trenton BXT7059 single board computer.


Board dimensions: 12.3” x 12.9” with a minimum drive tower cut-out of 14.53 square inches

The nominal backplane thickness is 0.080”; however, the backplane mounting holes are recessed 0.018” on the bottom to provide an effective PCB thickness of 0.062” for use in the chassis design process.

12.3″ x 12.9″

Server:  Six x8 and three x4 PCIe 3.0 electrical interfaces plus one x4 PCIe 2.0 interface, with all card slots featuring x16 mechanical connectors

Note 1:  Optional IOB33 module required to provide a x4 PCIe 3.0 electrical link to backplane slot PCIe4 from a BXT7059 SBC.  The PCIe link width and interface type is determined by the specific single board computer used with the backplane.

Note 2:  Optional PEX10 module required to provide two x8 PCIe 3.0 electrical links to backplane slots PCIe1 and PCIe3 from a BXT7059 dual-processor SBC.

Note 3:  Backplane slot PCIe2 operates as PCIe 2.0/1.1 slot.

Note 4:  PCI Express link training is fully supported on the BPX8093 backplane.  This allows any PCIe to function in any backplane slot.  PCI Express 3.0 link speeds are possible in all backplane slots except PCIe2.

Card Slots

6ˆ – x8 PCI Express 3.0/2.0/1.1 electrical / x16 mech. connectors
2 – x4 PCI Express 3.02.0/1.1 electrical / x16 mech. connectors
1 – x4 PCI Express 2.0/1.1 electrical* / x16 mech. connector
1 – x4 PCI Express 3.0/2.0/1.1 elect.# / x16 mech. connector

ˆRequires PEX10 option card on BXT7059 to drive the PCIe1 and PCIe3 card slots
*PCIe Gen2 B0 link from SBC
#From IOB33 on SBC / link width SBC dependent

Suggested SHB/SBCs
Trenton model – BXT7059
SHB Configuration
A dual-processor, server-class PICMG 1.3 single board computer such as the Trenton BXT7059 with optional PEX10 and IOB33 plug-in PCIe link expansion modules ensures that all card slots are active and being driven with the maximum number of PCI Express 3.0 electrical interfaces possible.
Power Connectors

ATX/EPS power source – one right-angle 24-position ATX/EPS connector

+12V AUX power source – two right-angle 8-position connectors

Extended power source – one 10-position terminal block to supply additional power if needed


PCIe 3.0 link status LEDs 10, 11, 12, 13, and 14 provide a visual check on the operational speed of the backplane’s critical PCIe links.

LED10 – PCIe link speed from SBC to PCIe 3.0 switch
LED11 – PCIe link speed to card slot PCIe7
LED12 – PCIe link speed to card slot PCIe8
LED13 – PCIe link speed to card slot PCIe9
LED14 – PCIe link speed to card slot PCIe10

If these LEDs are on solid then the link is operating at the PCIe 3.0 interface speed.  See page 2 of the BPX8093 product data sheet located under the DOWNLOADS tab for more information.

Power Indicators
+5V, +5V AUX, +3.3V, +1.6V, +12V, +1V, and +0.9V power connection and status

Operating Temp:  0°C to 60°C

Storage Temp: -40° to 70°C

Humidity: 5% to 90% non-condensing

Trenton’s BPX8093 is a lead free, RoHS compliant backplane.