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Expanding your choices for PC/104-Express with Real-Time, Real-Fast express choices. |
General Standards' PC/104-Plus Choices:
Free Drivers & Loaner Boards.
One of the benefits of being a General Standards Corporation customer is the many choices available for board form factor, bus, and board type to free drivers and loaner boards. This stems from our broad base of experience designing custom IO boards for many different applications across multiple industries. We have brought this experience to the PC/104-Express product line. Any PMC I/O board can be easily converted to PC/104-Plus. |
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Click on a PMC I/O product to view the selection tables >> |
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New: Conduction Cooled PMC (CCPMC) Coming Soon: XMC | ||||||||
New: PC/104-Plus available on General Standards' Analog, Serial, and Digital I/O Boards
PC/104 StandardsIntroductionThe PCI/104-Express specification establishes a standard to use high speed PCI ExpressR bus in embedded applications.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 PC/104's unique self-stacking bus, and high reliability due to PC/104's inherent ruggedness. BackgroundThe main objective in defining an addition of PCI Express to PC/104 was to preserve the attributes that have made PC/104 so successful in embedded applications, namely:Compact: 3.6 by 3.8 inches (90 x 96 mm) module size; Self-stacking: expands without backplanes or card cages; Rugged, reliable connectors: reliable in harsh environments; Four-corner mounting holes: resistance to shock and vibration; Fully PC compatible: reduced development costs and time-to-market. In addition, the design had to support automatic detection of up or down stacking and had to have automatic link shifting to allow simplified, universal add-on module designs. The PCI/104-Express design approach provides a consistent and interchangeable path for the stackable PC architecture across the PC/104 Embedded Consortium's 104, EPIC, and EBX form factors. PCI/104-Express Specification OverviewPCI Express bus connector:Four x1 PCIeR Links One x16 PCIe Link (optionally configurable as two x8 Links, two x4 PCIe Links, or two SDVO Interfaces) Power: +3.3V, +5V, +12V, and ATX power and control signals and Power OK. Summary of the basic specs of PCI/104-Express modules: Number of PCI Express modules per stack -- 4 x1 and 1 x16 (host may configure as two x4 or x8); Stack direction - Stack up or stack down; Data throughput PCI bus - 132 M Bytes/sec (26 times ISA); Data throughput single x1 Link - 500 M Bytes/sec (4 times PCI); Data throughput x16 Link - 8,000 M Bytes/sec (60 times PCI); Total data throughput all Links - 10,000 M Bytes/sec (75 times PCI); PCI Express bus power +5V power capability - 84 watts; PCI Express bus power +12V power capability - 100 watts; The PCI Express connector was specifically designed to match the PC/104 standard 0.600 inch (15.24mm) stacking height and standoff tolerances. PC/104 Bus EvolutionPC/104 stackable embedded PCs have followed the desktop PC.PCIe/104™ PCIe/104 is PCI/104-Express without the PCI bus. Since PCI Express is based on PCI technology, a PCI Express to PCI Bridge is a straightforward. A comparison between a PCI/104-Express CPU and Stack and a PCIe/104 CPU and stack shows that both easily support PCI Express and PCI add-in cards. Copies of the PCI/104-Express Specification are available to individuals and companies developing embedded systems. For further information, contact the PC/104 Embedded Consortium at www.pc104.org. Other PC/104 Specifications: The PC/104 Embedded Consortium maintains the PC/104T, PC/104-PlusT, and PCI-104T specifications on the 104T form factor as well as the specifications for the EPICT and EBXT form factors. PC/104 is the original specification. It defined the 104 form factor at 3.550 x 3.775 inch. PC/104-Plus added PCI bus to classic PC/104 on the 104 form factor. PCI-104 is the same as PC/104-Plus, except it does not have an ISA connector. Where Does PCI/104-Express Fit? The PCI/104-Express & PCIe/104 specifications continue to follow the desktop PC. PC/104 supports ISA only PC/104-Plus supports PCI and ISA PCI-104 supports PCI only. : The PC/104 logo, PC/104, PC/104-Plus, PCI-104, PCI/104-Express, PCIe/104, 104 are trademarks of the PC/104 Embedded Consortium. PCI, PCI Express, and PCIe are trademarks of PCI-SIG. For more Info see: http://www.pc104.org/pci104_Express_specs.php |
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