MVME2604-712 (Motorola/Emerson 6U VME System Board Computer, 712 I/O version) I. Product Overview

MVME2604-712 is a 6U dual-high VME64 single-board computer (SBC) in the MVME2600 series. Its key features include an搭载 PowerPC 604 processor and support for the MVME712 I/O transition module. It is designed for military， aerospace， semiconductor equipment， industrial control， and offers a highly reliable and long-life platform.

-712 means： Standardized MVME712 I/O sandwich module (analog / digital / communication expansion)

Positioning： Classic 6U VME flagship SBC， high cost-effectiveness， expandable I/O， wide temperature range， and long-term supply

Application scenarios： Radar， flight control， semiconductor equipment (such as LAM Research)， industrial process control， and rail transportation

II. Core Specifications (Standard for MVME2604-712, can be directly copied)

1. Processor

CPU: Motorola PowerPC 604 (MPC604)

Clock Speed: 200MHz (standard) / 333MHz / 400MHz (optional)

L1 Cache: 32KB instructions + 32KB data

L2 Cache: 256KB (external, high-speed)

Architecture: 32-bit PowerPC, superscalar, hardware floating-point

2. Memory and Storage

DRAM: 16MB ECC SDRAM (standard), up to 512MB (dual-layer expansion)

Flash: 4MB NOR Flash (system firmware)

NVRAM: 512KB battery backup + RTC (real-time clock)

3. Expansion and Buses

VME: VME64 A16/A24/A32, D8/D16/D32, master/slave, BLT/DMA, 6U P1/P2

PCI: 64-bit PCI dual-layer (PMC) ×1

I/O Layer: Standard MVME712 (exclusive to -712 model)

4. MVME712 I/O Layer (-712 Core Configuration)

72 Analog Input (AI): 0–10V, 0–20mA, 4–20mA programmable

16 Digital Input/Output (DI/DO): 24VDC isolation

2×RS-232 Serial Ports (debugging/communication)

1×10/100Mbps Ethernet (optional)

1×SCSI Interface (high-speed storage)

5. Built-in I/O (Basic)

Serial Port: 1×RS-232-D Console (115200 8N1)

Network Port: 1×10BaseT Ethernet (board-mounted)

Others: Keyboard/Mouse interface, floppy drive interface, parallel port

6. Environment and Hardening

Operating Temperature: 0℃ ~ +70℃ (standard); -40℃ ~ +85℃ (wide temperature option)

Storage Temperature: -55℃ ~ +95℃

Humidity: 5%–95% without condensation

Hardening: IEEE 1101.10 (optional), three-proof coating, shock resistance

7. Electrical and Physical

Power Supply: +5V ±5% @ 4.5A (typical)

Power Consumption: ≤22W, no fan

Size: 6U VME double high (233.4 × 160mm)

Weight: Approximately 1.2kg

8. System Compatibility

OS: VxWorks 5.4/6.x, PowerPC Linux, QNX, LynxOS

Drivers: VME, PCI, PMC, 712 I/O, serial port, Ethernet, SCSI