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New Backplane Expands x16 PCIe Support In 2U Systems

Trenton's BPC8219 PCI Express backplane utilizes the PICMG® 1.3 butterfly form factor to enable 2U rackmount computer designs. Side B of the backplane features three x16 slots driven with x16 electrical interfaces, while side A supports one single or dual-processor single board computer with a x16 PCI Express slot driven by a x4 PCIe link.

Side A also includes a 16-port/64-Lane PCI Express 2.0 switch, a GbE port, and four USB interfaces. The three x16 PCIe slots on side B are each driven with a x16 PCIe Gen2 link from the switch. The PCIe switch receives its x16 PCIe root complex link from a standard PICMG® 1.3 SBC such as a Trenton TSB7053, BXT7059, or TQ9.

Key features of the BPC8219 PCI Express backplane include:

  • 2U butterfly form factor backplane supports a wide variety of 2U chassis designs
  • Side A supports one PICMG 1.3 single board computer
  • Side B includes three x16 PCIe slots driven with x16 links from a 16-port/64-Lane PCI Express 2.0 switch
  • Side A also supports one x16 PCI Express slot driven by a x4 PCIe link from the SBC
  • One 10/100/1000Base-T Ethernet port is available on side A
  • Four USB interfaces are available on side A
  • PICMG 1.3 backplane optimized for use with vertical ATX/EPS and +12 AUX power connectors

The BPC8219 PCI Express backplane is designed and manufactured in our ISO 9001:2008 registered facilities and supported from within the USA. This butterfly form factor PCI Express backplane is supported by Trenton's 5-year factory warranty.

FORM FACTOR 2U Butterfly, one segment
MECHANICAL Board dimensions: 13.067" x 3.307"
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.
CONFIGURATION PCI Express Slots - Side A One, x4 PCIe slot (x16 mechanical) driven directly from SBC
PCI Express Slots - Side B Three, x16 PCIe slots (x16 mechanical) driven from a 64-Lane, 16-Port PCIe Gen2 switch. See datasheet or mechanical layout diagram for detailed slot routing information.
SIZE 3.307" x 13.067"
(2U Butterfly)
CARD SLOTS Side A 1 - x4 PCI Express 2.0/1.1 electrical / x16 mech. connector
Side B 3 - x16 PCI Express 2.0/1.1 electrical / x16 mech. connector
SUGGESTED SHB/SBCS Dual-processor SBCs: BXT7059, JXT6966. Single-processor SBCs: TSB7053, TQ9, BXTS7059, JXTS6966
SHB CONFIGURATION PICMG 1.3 Combo or Graphics Class
AGENCY APPROVALS & COMPLIANCE Designed to meet UL60950, CAN/CSA C22.2 No. 60950-00, EN55022: 1998 Class B, EN61000-4-2:1995
POWER CONNECTORS The BPC8219 backplane design is optimized for use in 2U rackmount computers with vertical power connectors suitable for use with either an ATX or EPS power supply as well as the +12V AUX power input. Contact Trenton for additional information on optional right-angle backplane power connectors.
POWER INDICATORS Diagnostic LEDs for 1V, 2.5V, 3.3V, 5V, 5V AUX, and 12V power connections
ENVIRONMENTAL Operating Temp: 0°C to 60°C
Storage Temp: -40° to 70°C
Humidity: 5% to 90% non-condensing
The Trenton BPC8219 is a lead free, RoHS compliant backplane.