Acromag / Xembedded / Xycom XVME-655 VMEbus Pentium Processor Module

The XVME-655 is a single-slot VMEbus processor module built around the Intel Pentium architecture, delivering industrial-grade computing performance for real-time control, data acquisition, and embedded system applications. This 6U form-factor board combines full VMEbus master/slave capability with 512 MB of SDRAM, on-board storage options, and comprehensive I/O including dual serial ports, Ethernet, USB 2.0, and IDE interfaces.

Technical Specifications

• Intel Pentium Processor Family


• SDRAM: up to 512 MB (32-bit non-parity) via DIMM modules VMEbus Interface


• VMEbus Rev. C.1 compliant


• Full master/slave arbitration and DMA transfer support


• 16, 32, and 64-bit data transfer modes


• Interrupt generator and listener capabilities Serial & Parallel I/O


• Two RS-232C/422/485 ports (jumper-configurable)


• One RS-232C/485 port (jumper-configurable)


• One IEEE 1284 Centronics-compatible parallel port


• Two USB 2.0 host ports


• One PS/2 keyboard port and one PS/2 mouse port Storage & Network


• On-board flash memory with bootloader/OS support


• Integrated IDE (ATA) controller for drives and SSDs


• Integrated floppy disk controller


• One 10/100Base-T Ethernet port System Management


• Phoenix BIOS (flash upgradeable)


• On-board real-time clock with battery backup


• Watchdog timer for system monitoring and recovery

Key Features

• Single VMEbus slot (6U) deployment


• Standard VMEbus edge connector with rear transition module (RTM)


• Industrial temperature operating range


• Optional conformal coating


• DB9, DB25, RJ45, USB Type A, and PS/2 connectors

Typical Applications

• Real-time control systems


• Complex data acquisition platforms


• Communication infrastructure


• Harsh environment industrial computing

Compatibility & Integration Full VMEbus Rev. C.1 compliance enables seamless integration into existing 6U systems. Supports standard IDE hard drives, SSDs, and legacy peripherals via serial and parallel interfaces. Mixed-voltage serial port configuration (RS-232/422/485) accommodates diverse field equipment.