The BPX3/14 PCI Express Backplane
The BPX3/14 PCI Express backplane provides electrical connections for a single or dual-processor single board computer, one IOB33 PCIe link expansion module, two PCI Express and fourteen PCI-X/PCI plug-in I/O cards. The backplane design places the SBC slot near the center of the backplane to enable more efficient air flow in a rackmount enclosure.
Some of the single board computer’s PCI Express links drive the PCIe card slots directly while other links enable the dual-channel PCIe-to-PCI-X bridge chips to interface the PCI-X/PCI slots into the system. The sixteen option card slots support standard PCIe, PCI-X and PCI plug-in I/O cards typically used in communication platforms.
Key features of the BPX3/14 PCI Express backplane include:
- Supports one PICMG 1.3 combo or server-class SBC
- SBC slot located near the center of the backplane improves chassis air flow
- Supports two PCI Express and fourteen PCI-X/PCI cards
- 1 – x4 PCI Express electrical / x16 mech. connector
- 1 – x1/x4 PCI Express electrical# / x8 mech. connector From IOB33 module on the SBC — link width is SBC dependent
- 2 – 64-bit/133MHz PCI-X
- 12 – 64-bit/100MHz PCI-X
- Four, dual-channel PCIe-to-PCI-X bridge chips
- Long-life backplane with 7+ years of availability enhances system design stability
20-slot form factor supports one PICMG 1.3 SBC, PCI Express and PCI-X/PCI option cards
Board dimensions: 16.4” x 11.9”
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.
PCI Express Slots
One, x4 PCIe slot (x16 mechanical) driven directly from SBC
One, x4/x1 PCIe slot (x8 mechanical) from SBC via an IOB33 module
Twelve, PCI-X/PCI slots, 64-bit/100MHz
Two, PCI-X/PCI slots, 64-bit/133MHz
See datasheet or mechanical layout diagram for detailed slot routing information.
16.4″ x 11.9″ (20-slot)
1 – x4 PCI Express 2.0/1.1 electrical / x16 mech. connector
1 – x4/x1 PCI Express 2.0/1.1 electrical# / x8 mech. connector
2 – 64-bit/133MHz PCI-X
12 – 64-bit/100MHz PCI-X
#From IOB3x on SBC / link width SBC dependent
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Single or dual-processor PICMG 1.3 Combo, Server or Graphics Class SBCs
The BPX3/14 backplane supports the optional Ethernet routing feature of the SHB Express (PICMG 1.3) specification. Two 10/100/1000Base-T Ethernet RJ-45 connectors (P13 and P14) are available for use on the backplane.
Agency Approvals and Compliance
Designed for UL60950 and CAN/CSA C22.2 No.60950-00, EN55022:1998 Class B, EN61000-4-2:1995, EN61000-4-3:1997, EN61000-4-4:1995, EN61000-4-5:1995, EN61000-4-6:1996, EN61000-4-11:1994
The standard BPX3/14 backplane is available with vertical or low-profile right angle power connector suitable for use with either an ATX or EPS power supply.
+5V, -5V, +5V AUX, +12V, -12V and +3.3V power connection and status.
Operating Temp: 0°C to 60°C
Storage Temp: -20°C to 70°C
Humidity: 5% to 90%, non-condensing
The BPX3/14 is lead free, RoHS compliant backplane
Single Board Computers