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IBM 22F9380 1 x Port DB-9 16/4 Token Ring Micro Channel Adapter
- Interface Type: Token Ring
- Connector: DB-9 (Serial)
- Bus Type: Micro Channel Architecture (MCA)
- Number of Ports: 1
- Designed for IBM PS/2 and other MCA-based systems
- Supports legacy network environments
- Data Transfer Rate: 4 Mbps or 16 Mbps (depending on network configuration)
- Provides network connectivity for older IBM hardware
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Product Overview
The IBM 22F9380 is a single-port DB-9 Token Ring adapter card designed for IBM Micro Channel architecture (MCA) systems. It enables connectivity to Token Ring networks, providing a reliable solution for legacy network infrastructure.
Technical Information
| Product Type | Network Adapter Card |
| Interface | Token Ring |
| Connector | DB-9 |
| Bus Interface | Micro Channel (MCA) |
Additional Specifications
| Number of Ports | 1 |
| Compatibility | IBM PS/2 and MCA systems |
| Data Rate | 4/16 Mbps |
Product Description
The IBM 22F9380 is a specialized network adapter card designed to bring Token Ring network connectivity to IBM systems that utilize the Micro Channel Architecture (MCA). This proprietary bus architecture was prevalent in IBM's PS/2 line of computers and other compatible workstations during the late 1980s and early 1990s. The adapter card features a single DB-9 connector, which is characteristic of serial communication ports, and interfaces with the Token Ring network topology. This adapter is crucial for maintaining or establishing network connections in environments that still rely on Token Ring technology. Token Ring networks, developed by IBM, were known for their deterministic access method, which provided predictable performance, making them suitable for certain business-critical applications. The 22F9380 supports both 4 Mbps and 16 Mbps data transfer rates, allowing it to adapt to different network speeds within a Token Ring setup. Installation of the IBM 22F9380 requires an available Micro Channel slot on the motherboard. It is intended for users who need to integrate legacy IBM hardware into existing or legacy network infrastructures. Given the obsolescence of Token Ring and MCA, this adapter is primarily of interest for archival, specialized industrial, or legacy system maintenance purposes.