Beckhoff EP-M845B — PC Board Computer

Description The Beckhoff EP-M845B motherboard is built on the Intel 845GV chipset and supports Pentium 4 processors through Socket 478. It offers six PCI slots and one AGP slot for expansion, making it adaptable for industrial control PCs. With onboard VGA graphics and fan monitoring, it provides a stable and reliable computing platform for machine control applications. Technical Specifications Condition New/Never Used Surplus Brand Beckhoff Category PLCs/Machine Control Part Number EP-M845B Subcategory PC Board Computer Chipset Intel 845GV CPU Support Pentium 4 / P4-M / Celeron (Socket 478) Front Side Bus (FSB) 400 MHz / 533 MHz Memory Type DDR UDIMM Max RAM Size 2 GB Expansion Slots 6 x PCI, 1 x AGP Form Factor ATX Onboard Graphics VGA Networking Onboard LAN Comm Ports 4 Fan Connections 4 external fan pins Fan Monitoring 3 fans monitored via Winbond IC Voltage Sensors +3.3V, +5V, +12V, -12V, -5V Temperature Sensor TR1 for system temperature Operating System Windows XP / Legacy OS support Dimensions ATX standard (305 x 244 mm approx.) Weight 1.00 lbs Information About EP-M845B The EP-M845B is part of Beckhoff’s industrial PC motherboards, designed for robust and long-term use in automation environments. It supports Pentium 4, P4-M, and Celeron processors with a front-side bus of up to 533 MHz. The ATX form factor allows flexible system integration, while onboard LAN and VGA simplify connectivity. Equipped with four external fan connections monitored via Winbond IC, it ensures system reliability and temperature stability in continuous industrial operation. Key Features: Chipset: Intel 845GV chipset optimized for Socket 478 processors. Processor Support: Compatible with Pentium 4, P4-M, and Celeron CPUs. Memory Support: DDR UDIMM, expandable up to 2 GB. Expansion Slots: Six PCI slots and one AGP slot for additional cards. Onboard Graphics: Integrated VGA output for display connectivity. Networking: Built-in LAN interface for communication. System Monitoring: 4 fan connections and monitoring via Winbond IC. Voltage and Temperature Sensors: Integrated monitoring of +3.3V, +5V, +12V, -12V, -5V, and TR1 temperature sensor. The EP-M845B delivers the expandability and robustness required for industrial PC and machine control applications.