Expansion Bus

Expansion Bus

The EPM-4 will accept up to eight expansion modules, up to four of which can be PC/104-Plus(PCI) expansion modules. The EPM-4 uses 3.3V PCI signaling but is 5V tolerant.

PC/104-PLUS(PCI BUS)

PC/104-Plusmodules can be secured directly to the top or bottom of the EPM-4. Make sure to correctly configure the "slot position" jumpers on each PC/104-Plusmodule appropriately. PC/104 modules must not be positioned between the EPM-4 and any PC/104-Plusmodules on the stack.

The EPM-4 is compliant with revision 2.0 of the PC/104-Plusspec. and can support four bus master capable PC/104-Plusmodules.

The BIOS automatically allocates I/O and memory resources. However, manual PCI Interrupt routing will be used.

PC/104 (ISA BUS)

PC/104 modules are stacked on top the EPM-4. 16-bit modules first followed by 8-bit PC/104 modules.

The ÉlanSC520 Microcontroller uses a General-Purpose (GP) bus that is implemented as the ISA bus on the Lynx. The GP bus is similar in function to the ISA bus, but not functionally identical. Nearly all PC/104 devices in use today will work on the Lynx without modification.

Here is a summary of the differences between a legacy ISA bus and the GP bus implementation on the Lynx.

Only DMA channels 5 and 6 are available to PC/104 devices

IRQ15 is not available to PC/104 devices

PC/104 bus devices cannot initiate bus access cycles. The ÉlanSC520 Microcontroller is always the master of the ISA bus.

Address pipelining is not supported.

IOCHK, REFRESH, and NOWS signals are not supported.

MEMR and SMEMR are tied together. MEMW and SMEMW are tied together.

For a more detailed description of the GP bus and its differences from a standard ISA bus, see chapter 13 in the ÉlanSC520 Microcontroller User's Manual.

Note: On the EPM-4 Rev 4 and above, the pass-through PC/104 (ISA) connector is keyed (pins B10 and C19 missing) for greater compatibility with the PC/104 standard. See Figure 5 for details.

I/O CONFIGURATION

PC/104–PlusModules

No hardware configuration is necessary except to jumper the expansion module for the correct slot number.

Reference – 34

EPM-4 Reference Manual

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Lynx EPM-4 manual Expansion Bus, PC/104-PlusModules

EPM-4 specifications

The Lynx EPM-4 is a cutting-edge electronic monitoring device designed for a wide range of applications including transportation, logistics, and outdoor activities. With its sleek design and robust capabilities, the EPM-4 provides users with advanced tracking and monitoring features that enhance efficiency and safety.

One of the standout features of the Lynx EPM-4 is its high-precision GPS tracking technology. This allows for real-time location monitoring, ensuring that users can keep tabs on their assets or personnel at all times. The GPS functionality is complemented by cellular connectivity, enabling seamless communication and data transmission even in remote areas. Whether used in urban settings or off-the-grid locations, the EPM-4 maintains reliability and performance.

Another key characteristic of the Lynx EPM-4 is its user-friendly interface. The device is equipped with a bright LED display that provides instant access to essential information, including speed, distance traveled, and battery status. Its intuitive navigation system ensures that even users with minimal technical expertise can operate the device effectively.

Durability is a fundamental aspect of the Lynx EPM-4 design. Constructed to withstand harsh environmental conditions, it features IP67-rated water and dust resistance. This ensures that the device can perform flawlessly in diverse weather conditions, making it suitable for outdoor enthusiasts and professionals alike.

The EPM-4 also incorporates advanced battery technology, allowing for extended usage time on a single charge. This is particularly advantageous for long-haul trips or field operations where charging facilities may be unavailable. Additionally, the device supports various power management modes that optimize battery life based on usage patterns.

Connectivity options are another highlight of the Lynx EPM-4. It supports Bluetooth and Wi-Fi, enabling quick data transfer to smartphones, tablets, or computers for further analysis. Users can easily share information with team members or stakeholders, enhancing collaboration and decision-making processes.

Lastly, the Lynx EPM-4 features customizable settings, allowing users to tailor the device’s functionality to meet their specific needs. Whether it’s setting geofences, receiving alerts for unusual activity, or customizing data logging intervals, the EPM-4 ensures a personalized experience that maximizes utility.

In conclusion, the Lynx EPM-4 stands out as a premier electronic monitoring solution, combining GPS precision, robust durability, extended battery life, and versatile connectivity. With its advanced features and user-friendly design, it serves a vital role in managing logistics, ensuring safety, and enhancing operational efficiency across various industries.