Description
Magitronic B231 286 I/O Card 8-Bit ISA Parallel Serial Port Expansion Rev 2
An 8-bit ISA expansion card designed to add parallel and serial port connectivity to IBM PC/XT/AT 286 systems. The B231 provides DB-25 parallel and DB-9 serial interfaces via a UMC UM82C11 controller chip.
Specifications & What's Included
- Type: 8-Bit ISA Parallel & Serial Port I/O Expansion Card
- Model: Magitronic B231 (Board Revision 2)
- Bus Type: ISA (8-bit)
- Connectors: DB-25 parallel port, DB-9 serial port
- Main Controller: UMC UM82C11
- Secondary ICs: Motorola SN74LS245N, HD74LS04P
- Compatible With: IBM PC/XT/AT 286 systems with 8-bit ISA slots
- Includes: Original Magitronic box and B231 286 I/O User's Manual
Applications
This card was used in 1980s-era IBM-compatible computers to expand I/O capabilities for parallel devices such as printers and serial peripherals including modems and terminals. It fits standard 8-bit ISA slots found in XT and early AT systems, providing legacy connectivity for systems lacking sufficient onboard ports.
Condition: New - Open Box
Magitronic B231 286 I/O Card, new and unused. The box has been opened but the card itself appears uninstalled and in clean condition with no visible damage. Includes the original Magitronic box and the B231 286 I/O User's Manual. We have not tested this card, so we cannot confirm it will work in any system. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
Magitronic B231 286 I/O Card, new and unused. The box has been opened but the card itself appears uninstalled and in clean condition with no visible damage. Includes the original Magitronic box and the B231 286 I/O User's Manual. We have not tested this card, so we cannot confirm it will work in any system. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
Warranty Information
We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information
Brand: |
Magitronic |
Model: |
B231 |
MPN: |
B231 |
Type: |
8-Bit ISA Parallel & Serial Port I/O Expansion Card |
SKU: |
28938 |
Condition: |
As-Is / For Parts or Not Working |
Seller Notes: |
Includes original Magitronic box and B231 286 I/O User's Manual |
Form Factor: |
8-Bit ISA Card |
Bus Type: |
ISA (8-bit) |
Interface: |
Parallel, Serial |
Compatible With: |
IBM PC/XT/AT 286 systems with 8-bit ISA slots |
Main Controller Chip: |
UMC UM82C11 |
Secondary ICs: |
Motorola SN74LS245N, HD74LS04P |
Board Revision: |
Rev 2 |
Connectors: |
DB-25 parallel port, DB-9 serial port |
Country/Region of Manufacture: |
Taiwan |
Condition Notes: |
New, unused. Box opened. Includes manual and original box. Untested—no functionality guarantee. |
