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IBM 72H3496 Turbo 16/4 Token Ring ISA Adapter
- Form Factor: ISA Adapter Card
- Network Technology: Token Ring
- Speed: 16 Mbps / 4 Mbps
- Interface: ISA Bus
- Brand: IBM
- Designed for legacy IBM systems
- Supports Token Ring networking
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Product Overview
The IBM 72H3496 is a Turbo 16/4 Token Ring ISA Adapter, providing high-speed local area networking for older IBM systems. It supports Token Ring network topologies.
Technical Information
| Product Type | Network Adapter |
| Network Technology | Token Ring |
| Data Rate | 16 Mbps / 4 Mbps |
Additional Specifications
| Bus Interface | ISA |
| Brand | IBM |
| Model | 72H3496 |
Product Description
The IBM 72H3496 is an adapter card designed for legacy computer systems that utilize the Industry Standard Architecture (ISA) bus. This specific adapter is a Token Ring network interface card, a networking technology that was popular in enterprise environments before the widespread adoption of Ethernet. The 'Turbo' designation indicates it supports higher speeds within the Token Ring standard. This card operates at either 4 Mbps or 16 Mbps, offering a significant speed advantage for its time, especially in Token Ring networks. The ISA interface means it is compatible with older generations of IBM PCs and compatible workstations, allowing them to connect to a Token Ring Local Area Network (LAN). Token Ring networks are known for their deterministic access method, which provides predictable performance. As a specialized piece of hardware for a now-outdated networking technology, the 72H3496 is primarily of interest for maintaining or restoring legacy systems, or for archival purposes. Its inclusion in a technical catalog highlights the evolution of networking hardware and the need to support diverse historical system configurations.