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IBM 39F8484 1 x Port DB-9 8-Bit ISA Token Ring Adapter
- 1 x Port DB-9 connector
- 4 Mbit/s data transfer rate
- Token Ring network interface
- Supports 8-Bit ISA (Industry Standard Architecture) bus
- Designed for IBM systems
- Legacy network connectivity
- Low-profile design (often)
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Product Overview
The IBM 39F8484 is an 8-Bit ISA Token Ring adapter card with a single DB-9 port, enabling 4 Mbit/s network connectivity for compatible IBM systems.
Technical Information
| Model | 39F8484 |
| Brand | IBM |
| Type | Token Ring Adapter |
Additional Specifications
| Interface | 8-Bit ISA |
| Ports | 1 x DB-9 |
| Speed | 4 Mbit/s |
Product Description
The IBM 39F8484 is an 8-Bit ISA Token Ring adapter card, a legacy networking component designed to connect IBM computers to Token Ring local area networks. It features a single DB-9 connector, which serves as the physical interface for the Token Ring cable. The adapter operates at a speed of 4 Mbit/s, a common standard for Token Ring networks during its peak usage period. This card is specifically intended for systems that utilize the 8-bit ISA bus, a foundational expansion slot technology in early personal computers. This adapter card was instrumental in enabling IBM systems to participate in Token Ring networks, a technology pioneered by IBM. Token Ring offered a robust and reliable networking solution with a deterministic access method, ensuring predictable performance. The 8-bit interface signifies its compatibility with older motherboards that may not have supported the wider 16-bit ISA slots, making it suitable for a broader range of legacy IBM hardware. The IBM 39F8484 would have been used in business and enterprise environments where Token Ring was the preferred networking standard. Its purpose is to facilitate data communication between computers on the network, allowing for resource sharing and inter-system communication. As a legacy product, it is now primarily of interest for maintaining or restoring older IBM computer systems that rely on Token Ring connectivity.
