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IBM 73G3221 8BIT ISA MULTIPROTOCOL Adapter
- 8-bit ISA bus interface
- Multi-Protocol support
- Designed for IBM PC systems
- Provides serial communication ports
- Suitable for legacy systems and applications
- Adapter card for expansion
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Product Overview
The IBM 73G3221 is an 8-bit ISA Multi-Protocol Adapter. It was designed to provide versatile communication capabilities for older IBM PC systems.
Technical Information
| Interface | 8-bit ISA |
| Functionality | Multi-Protocol Adapter |
Additional Specifications
| Compatibility | IBM PC Systems |
Product Description
The IBM 73G3221 is an adapter card that utilizes the 8-bit Industry Standard Architecture (ISA) bus, a common interface for expansion cards in early IBM PC and compatible computers. This adapter was designed to provide multi-protocol communication capabilities, typically enabling serial data transmission for connecting peripherals or establishing network links in environments where advanced connectivity options were not built-in. As a multi-protocol adapter, the 73G3221 likely supported various communication standards and protocols relevant during its era, such as asynchronous serial communication (RS-232). This would have allowed users to connect devices like modems, printers, or other serial-based peripherals to their systems. Its 8-bit nature indicates it was designed for the original PC and XT-class machines, though it could also function in later AT-class machines in an 8-bit slot. This adapter card represents a piece of legacy hardware, primarily of interest for maintaining or restoring older computer systems that rely on ISA expansion slots and specific communication protocols. Its functionality is centered around providing essential I/O capabilities for systems that predate modern integrated I/O controllers and high-speed interfaces.