IBM 79F7210 Bus Adapter Riser Card for 8556 9556 System

IBM 79F7210 Bus Adapter Riser Card for 8556 9556 System

The IBM 79F7210 is a bus adapter riser card designed for IBM System/3X and midrange computing platforms, specifically the 8556 and 9556 series. This expansion card serves as an interface module that extends the system's I/O and processing capabilities by providing additional bus connectivity and adapter functions within the system backplane.

Specifications & What's Included

• Part Number: IBM 79F7210
• Type: Bus Adapter Riser Card
• Compatible Systems: IBM 8556, IBM 9556
• Form Factor: Riser card / internal expansion adapter
• Application: System bus extension and adapter connectivity
• Condition: Used, inspected, pulled from operational environment

Applications

The IBM 79F7210 bus adapter riser card was used in IBM System/3X-era midrange computers, particularly the 8556 and 9556 models. These systems were common in business data processing environments throughout the 1980s and early 1990s, serving departmental and small-business computing needs. The bus adapter card expands the system's I/O throughput and allows integration of additional peripheral controllers and communication adapters. This type of expansion card is still sought after by organizations maintaining legacy IBM systems, as replacement parts for these platforms have become scarce. Technicians and system integrators working with vintage IBM hardware often require genuine IBM adapter cards to restore or expand aging equipment still in service in specialized environments.