RADISYS SBC486DX66是Radisys推出的MultiBus I/II架构工业单板计算机，搭载Intel 486DX 66MHz处理器，内置浮点运算单元，遵循IEEE796总线标准，是早期关键控制系统的核心运算主板。

RADISYS SBC486DX66 is a MultiBus I/II industrial single board computer from Radisys. It adopts Intel 486DX 66MHz CPU with built-in FPU and complies with IEEE796 bus standard, acting as the main computing board for early mission-critical control systems.

板载内存、基础I/O与总线接口，支持多I/O模块背板扩展，抗振动宽温加固设计，多用于老式测试设备、航空防务、老旧生产线，属于早已停产的稀缺工控备件。

It integrates memory, basic I/O and bus interface for backplane expansion with I/O modules. Ruggedized anti-vibration and wide-temperature design makes it widely used in legacy test equipment, aerospace and old production lines as scarce obsolete spare.

Main Specifications 技术参数

• 1. Product Series / 产品系列：RADISYS MultiBus SBC Series

• 2. Part Numbers / 型号编码：SBC486DX66

• 3. Function Type / 类型：IEEE796 MultiBus Single Board Computer 工业单板计算机

• 4. Key Features / 特性：Intel 486DX 66MHz, integrated FPU, MultiBus I/II, rugged industrial design

• 5. Compatibility / 配套：MultiBus背板、配套I/O模块、老式实时控制软件

Core Functions 核心功能

• 1. 486DX处理器实时运算，自带FPU浮点单元，满足早期控制算法运算需求。
  Real-time computing by 486DX CPU with FPU, supporting calculation of early control algorithms.

• 2. IEEE796 MultiBus总线通讯，和背板上I/O模块高速交换控制与采集数据。
  IEEE796 MultiBus communication for high-speed data exchange with backplane I/O modules.

• 3. 板载基础IO与存储接口，支持固化固件启动，适配专用老版操作系统。
  Onboard basic I/O and storage interface, firmware boot, compatible with legacy dedicated OS.

• 4. 加固工业硬件，耐受震动、温差，适合舱内、车载、机架式长期不间断运行。
  Rugged hardware for vibration and temperature variation, suitable for cabinet, vehicle and rack operation.

• 5. 作为主控单元，统筹整套MultiBus机架系统的逻辑控制、时序与故障管理。
  Work as main controller to manage logic, timing and fault handling of the whole MultiBus rack system.

Application Scenarios 应用场景

• 1. 航空、防务领域老旧MultiBus机架式测控系统主控板替换。
  Replacement of main control board for legacy MultiBus measurement & control systems in aerospace and defense.

• 2. 半导体、冶金行业早期生产线设备、专用测试仪器维修备件。
  Maintenance spare for early production lines and special test instruments in semiconductor and metallurgy.

• 3. 科研实验室老式数据采集、仿真控制设备主板故障更换。
  Spare replacement for old data acquisition and simulation control equipment in research labs.

• 4. 原有Radisys MultiBus系统整机维保、同型号一对一备件替换。
  Maintenance and direct spare replacement for existing Radisys MultiBus rack systems.

• 5. 海外重工、防务存量老设备项目稀缺工控备件储备。
  Scarce spare stock for legacy heavy industry and defense equipment overseas projects.

FAQ 常见问答

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