Description
IBM 85F0004 MCA Multiprotocol Adapter Single Port PS/2 Micro Channel Card
Network adapter card for IBM PS/2 systems with Micro Channel Architecture bus. Single DB25 port supports multiprotocol communication in legacy computing environments.
Specifications & What's Included
- Model: IBM 85F0004
- Bus Interface: MCA (Micro Channel Architecture)
- Ports: 1 × DB25 (D-Sub 25-pin)
- Form Factor: Full-length MCA expansion card
- Compatible: IBM PS/2 systems with Micro Channel slots
- Card only; no cables or accessories
Applications
This adapter was used in IBM PS/2 systems throughout the late 1980s and 1990s to add network connectivity. The MCA architecture was proprietary to IBM PS/2 computers and required compatible expansion cards. These multiprotocol adapters supported various network protocols used in corporate and institutional environments during that era. Suitable for system restoration, vintage computing, or legacy network configurations.
Condition: Used
This IBM 85F0004 MCA Multiprotocol Adapter Single Port has been inspected and appears to be in good used condition. The PCB shows normal handling wear consistent with prior installation in a PS/2 system. The DB25 connector on the bracket appears intact with no bent or missing pins visible in the photos. The blue card-guide retainers are present on both ends of the card. No cracked traces, burn marks, or physical damage are visible on the board. The card is sold as-is without cables or accessories. Please view our photo set and contact us if you have any questions. 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.
This IBM 85F0004 MCA Multiprotocol Adapter Single Port has been inspected and appears to be in good used condition. The PCB shows normal handling wear consistent with prior installation in a PS/2 system. The DB25 connector on the bracket appears intact with no bent or missing pins visible in the photos. The blue card-guide retainers are present on both ends of the card. No cracked traces, burn marks, or physical damage are visible on the board. The card is sold as-is without cables or accessories. Please view our photo set and contact us if you have any questions. 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: |
IBM |
Model: |
85F0004 |
MPN: |
85F0004 |
Type: |
MCA Multiprotocol Network Adapter Card |
SKU: |
13914 |
Bus Interface: |
MCA (Micro Channel Architecture) |
Number of Ports: |
1 |
Connector Type: |
DB25 (D-Sub 25-pin) |
Form Factor: |
MCA Full-Length Expansion Card |
Compatible With: |
IBM PS/2 Micro Channel Architecture systems |
Condition: |
Used – Inspected |
Country/Region of Manufacture: |
United States |
Seller Notes: |
Card only; no cables or accessories included. |
Condition Notes: |
IBM 85F0004 MCA Multiprotocol Adapter, used, inspected. PCB shows normal wear from prior PS/2 installation. DB25 connector intact, card guides present, no visible damage. Card only — no cables included. |
