PCI/104-Express Standard Products and Support

PCI/104-Express Standard Products and Support

Overview

The PCI/104-Express™ specification establishes a standard to use a high speed PCI Express® bus in embedded applications. It was developed by the PC/104™ Embedded Consortium and adopted by member vote in March 2008. The PC/104™ Consortium chose PCI Express® because of its full PC market adoption, performance, scalability, and growing silicon availability worldwide. It provides a new high-performance physical interface while retaining software compatibility with existing PCI infrastructure.

Incorporating the PCI Express® bus within the industry proven PC/104™ architecture brings many advantages for embedded applications including fast data transfer, low cost due to the unique self-stacking bus of PC/104™, high reliability due to the inherent ruggedness of PC/104™, and long-term sustainability.

pc104 embedded
pci express overview

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Connectors

PCI/104-Express – Q2™ (QMS/QFS)

The PCI/104-Express™ standard specifies Samtec’s Q2™ QMS/QFS Series in a three bank (156 pin) orientation for module stacking. Samtec specifically designed the QMS/QFS Series with a 15.24 mm stack height for top and bottom board stacking. Q2™ has triple the wipe of many high speed mezzanine interconnects making it appropriate for rugged applications.

PCI/104-Express Specified Connectors (Q2™)
 

Samtec PN

Terminal (Mezzanine Side)

15.24 mm Mated

22 mm Mated

Socket (Carrier Side)

Standard Height

Contacts

Rows

Pins/Row

Lead Style

Plating: H=30µ" Gold

Prints

3D

PADS

ASP-129637-03

X

 

 

156

2

78

Surface Mount

H

PDF Print

IGES
PARASOLID
STEP

PADS File

ASP-142781-03

 

X

 

156

2

78

Surface Mount

H

PDF Print

IGES
PARASOLID
STEP

PADS File

ASP-129646-03

 

 

X

156

2

78

Surface Mount

H

PDF Print

IGES
PARASOLID
STEP

PADS File

Samtec also offers precision machined standoffs to limit the impact of tolerance stack up issues in stackable embedded applications.

PCI/104-Express OneBank - Q2™ (QMS/QFS)

To offer system designers greater control over PCB real estate, the PC/104™ Consortium has developed PCI/104-Express™ OneBank. This new standard is an extension to PCI/104-Express™ and uses specialized single-bank Q2™ connectors which mate to the traditional 3-bank connectors. Now, engineers can win back valuable board-edge real estate by only bringing the vital main-bus to cards with OneBank connectors. They are available in both 15.24 mm and 22 mm stack heights.

PCI/104-Express OneBank - Q2™ (QMS/QFS)
 

Samtec PN

Terminal (Mezzanine Side)

15.24 mm Mated

22 mm Mated

Socket (Carrier Side)

Standard Height

Contacts

Rows

Pins/Row

Lead Style

Plating: H=30µ" Gold

Prints

3D

PADS

ASP-129637-13

X

 

 

52

2

26

Surface Mount

H

PDF Print

IGES
PARASOLID
STEP

PADS File

ASP-142781-07

 

X

 

52

2

26

Surface Mount

H

PDF Print

IGES
PARASOLID
STEP

PADS File

ASP-129646-22

 

 

X

52

2

26

Surface Mount

H

PDF Print

IGES
PARASOLID
STEP

PADS File

Test Reports

PCI/104-Express Standard

For questions regarding the PCI/104-Express Standard and additional information, please contact us at:

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