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IBM 1501985XM MONO Adapter WITH PRINTER PORT
- Monochrome video output capability
- Integrated printer port (parallel)
- Designed for IBM compatible systems
- Likely uses an ISA or similar legacy bus interface
- Provides basic display functionality
- Enables connection of standard parallel printers
- Component for older IBM PC or PS/2 era systems
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Product Overview
The IBM 1501985XM is a monochrome adapter card designed for IBM systems, featuring a dedicated printer port. This adapter enables basic video output and parallel printer connectivity for compatible IBM hardware.
Technical Information
| Adapter Type | Monochrome Graphics Adapter |
| Video Output | Monochrome (Text/Graphics) |
| Ports | 1 x Parallel Printer Port (DB-25 Female) |
| Interface | Likely ISA or MCA |
Additional Specifications
| Compatibility | IBM Systems |
| Resolution | Varies (e.g., 80x25 text) |
| Form Factor | Expansion Card |
Product Description
The IBM 1501985XM is an adapter card primarily intended for monochrome display output and parallel printer connectivity within IBM's legacy computing platforms. In an era where graphics capabilities were often modular and basic, such cards provided essential functionality for users. The monochrome aspect means it is designed to display images and text in shades of gray or black and white, typically offering resolutions suitable for text-based applications and simple graphics, such as the common 80 columns by 25 rows text mode. A key feature of this adapter is the integrated printer port, usually a DB-25 female connector. This port allows for the connection of parallel printers, which were the standard for printing documents in the period these cards were prevalent. The adapter handles the communication signals necessary to send data from the computer to the printer, enabling users to produce hard copies of their work. This integration meant that a separate I/O card might not be necessary for basic printing needs. While the exact bus interface (e.g., ISA, Micro Channel Architecture) would depend on the specific IBM system it was designed for, it is characteristic of expansion cards from the 1980s and early 1990s. The 1501985XM would have been a component in building a functional IBM PC, XT, AT, or early PS/2 system, providing essential video and printing capabilities for users who did not require advanced graphics.