MAI 903631-005 CMB 32-Bit Computer System Board Rev AF PCB 905296-001

MAI 903631-005 CMB 32-Bit Computer System Board Rev AF PCB 905296-001

32-bit computer system board designed for MAI Basic Four minicomputer systems. This card/module serves as a core processing component in legacy industrial and telecom computing platforms.

Specifications & What's Included

• Model: MAI 903631-005 (PCB 905296-001 Rev C)
• Hardware Revision: Rev AF
• Bus Width: 32-Bit
• Connector Type: DB-25 (Multiple Ports)
• Form Factor: Card/Module
• Manufacturer: United States
• Board only — no cables or accessories board type was used in MAI Basic Four minicomputer systems, which served industrial automation, process control, and telecommunications applications from the 1980s through early 2000s. The 32-bit architecture provided data processing capability for real-time monitoring and control tasks. These boards are typically found in legacy system upgrades, replacement projects, or system restoration work where original MAI hardware compatibility is required.
  Condition: Used
  This MAI 903631-005 CMB 32-Bit Computer System Board has been inspected and appears to be in good condition. The board shows light wear consistent with normal use and age — the PCB surface and traces look intact, and the components appear undamaged. The four DB-25 edge connectors on the bracket are present and show no obvious damage. Some light dust and aging on the board is normal for a vintage piece. This is a board-only listing; no cables or accessories are included. Please review our photos closely and contact us with any questions before buying. Visit Our Store

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