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EP-M845B

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The Beckhoff EP-M845B, part of the EP Digital Input Series, features the Intel 845GV chipset and is compatible with Pentium 4 processors. It has six PCI slots, a single AGP slot for ADD card support, and four external fan connections. Additionally, the device includes onboard VGA graphics and networking capabilities.

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Product Description

The EP-M845B motherboard provides a highly capable and expandable platform for industrial applications. As part of the EP Digital Input Series, it employs an Intel 845GV chipset to support a wide range of Pentium 4, P4-M, and Celeron processors with 478-pin sockets. This processor compatibility allows for customization tailored to diverse performance needs. Multiple onboard features contribute to its robustness, including VGA graphics and network connectivity, making it a versatile choice for various industrial environments.

At the heart of the board's capabilities are its expansive set of six PCI expansion slots. These slots open the door to the use of additional interface cards for tasks like digitizing, motion control, or customized I/O. An AGP slot further enhances flexibility through add-on functions, enabling easy installation of expansions that facilitate customized system designs. Additionally, real-time monitoring of critical parameters occurs through an onboard temperature sensor and voltage monitoring of key rails, ensuring optimal performance and reliability. Four external fan connections allow for integrated cooling management directly on the motherboard, while Winbond monitoring circuitry oversees the activity of three case fans to safeguard components from overheating.

Reliability remains central to the design, featuring galvanized copper traces engineered for long life. Triple copper plated through-holes similarly endure vibration and thermal stresses, a critical consideration for industrial applications. Underlying this durability is comprehensive testing by Beckhoff to industrial standards for shock, vibration, and operation across a temperature range of 0 to 55°C. These characteristics make the EP-M845B well-suited for control applications in washdown environments or machinery where 24/7 uptime is essential. For users requiring a mature and expandable computing foundation, this motherboard consolidates essential performance needs into a single robust package. Its adaptability to different job functions defines its versatility across various industries.

EP-M845B Technical Specifications

Socket: 478
Voltage Sensors: +3.3V, +5V, +12V, -12V, -5V
Cpu Support: Pentium 4/ P4-M/ Celeron
Onboard Graphics: VGA
Networking: Onboard LAN
Form Factor: ATX
Chipset: Intel 845GV
Pci Slots: 6
Agp Slot: 1 (supports ADD card)
Comm Ports: 4
Temperature Sensor: TR1 for System Temperature
Fan Connections: 4 external fan pins
Fan Monitoring: 3 fans monitored via Winbond IC

Frequently Asked Questions about EP-M845B


Q: What processors are compatible with the EP-M845B?

A: The EP-M845B supports Pentium 4, P4-M, and Celeron processors, making it versatile for different computing needs.

Q: How many PCI slots does the EP-M845B have?

A: The EP-M845B features six PCI slots for expansion, allowing for various add-on cards.

Q: Does the EP-M845B include onboard graphics?

A: Yes, the EP-M845B includes onboard VGA graphics for basic display capabilities.

Q: What networking features are available on the EP-M845B?

A: The EP-M845B has onboard LAN capabilities, providing networking support for integrated systems.

Q: What is the form factor of the EP-M845B motherboard?

A: The EP-M845B is an ATX form factor motherboard, allowing for standard case compatibility and expansion options.

Internal Product Review

  • ‘‘The EP-M845B motherboard is an excellent choice for users seeking a reliable and versatile platform, with extensive support for expansion and robust onboard features. Its compatibility with Pentium 4 processors ensures it can handle a variety of applications efficiently.’’

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