Madge 154-080-07 Smart 16/4 MC Ringnode S16 Token Ring Network Card

Madge 154-080-07 Smart 16/4 MC Ringnode S16 Token Ring Network Card

This is a 16/4 Mbps Token Ring network adapter card designed for IBM-compatible computers of the 1980s and 1990s era. The Madge Smart 16/4 is a high-performance Token Ring interface based on the ISA (Industry Standard Architecture) bus, supporting both 16 Mbps and 4 Mbps ring speeds for backwards compatibility. Token Ring was a major competing LAN standard alongside Ethernet, particularly in corporate and IBM mainframe environments.

Specifications & What's Included

• Model: Madge 154-080-07 Smart 16/4 MC Ringnode S16
• Network Standard: Token Ring (IEEE 802.5)
• Speed: 16 Mbps / 4 Mbps (dual-speed capable)
• Bus Interface: 16-bit ISA expansion slot
• Connector: Token Ring DIN jack and RJ-45 compatible
• Form Factor: Full-length ISA adapter card
• Compatible Systems: IBM PC, XT, AT, 386, 486, early Pentium computers with available ISA slots
• Microcode: Downloadable to support advanced bridging and switching features
• Card Only: Network adapter card; cable, manual, and driver diskettes not included

Applications

Token Ring networks were the backbone of many corporate LANs and IBM System/3x midrange computing environments throughout the 1980s and 1990s. The Madge Smart 16/4 was a popular choice for connecting workstations and servers to Token Ring rings, particularly in financial institutions, manufacturing facilities, and large enterprises running IBM networking infrastructure. While Token Ring has been largely superseded by Ethernet, these cards remain valuable for legacy system restoration, museum computing environments, and hobbyist IBM PC networking projects. The dual-speed capability made this card a versatile option for mixed-speed ring environments during the transition era when organizations were deploying both 4 Mbps and 16 Mbps rings.