Description
IBM 25F9171 25F7540 MCA Token Ring Network Card 4MB 9-Pin Connector FRU
MCA Token Ring network adapter card for IBM PS/2 systems with Micro Channel Architecture. Provides 4MB onboard memory for Token Ring network connectivity via 9-pin DB9 connector.
Specifications & What's Included
- Model: IBM 25F9171 (FRU 25F7540)
- Bus Interface: MCA (Micro Channel Architecture)
- Network Technology: Token Ring
- Onboard Memory: 4MB
- Connector: 9-Pin DB9
- Compatible: IBM PS/2 Micro Channel systems
- Card only; no cables or accessories included
Applications
This adapter was used to connect IBM PS/2 computers to Token Ring local area networks. Token Ring was a standard network topology in enterprise environments, particularly in IBM-centric infrastructure from the 1980s through 1990s. The card provides network communication for compatible MCA-equipped PS/2 models. Typically found in business computing systems requiring LAN connectivity in legacy IBM environments.
Condition: Used
This IBM 25F9171 MCA Token Ring Network Card (FRU 25F7540) has been inspected and appears to be in good used condition. The card shows normal wear consistent with prior use in an IBM PS/2 environment. The PCB is clean with no visible damage, broken traces, or missing components. The 9-pin DB9 connector and card bracket are intact. The blue MCA card guides are present on both ends. 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 25F9171 MCA Token Ring Network Card (FRU 25F7540) has been inspected and appears to be in good used condition. The card shows normal wear consistent with prior use in an IBM PS/2 environment. The PCB is clean with no visible damage, broken traces, or missing components. The 9-pin DB9 connector and card bracket are intact. The blue MCA card guides are present on both ends. 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: |
25F9171 |
MPN: |
25F9171 |
Secondary Model: |
25F7540 |
FRU Part Number: |
25F7540 |
Type: |
MCA Token Ring Network Adapter Card |
SKU: |
7751 |
Bus Interface: |
MCA (Micro Channel Architecture) |
Network Technology: |
Token Ring |
Onboard Memory: |
4MB |
Connector Type: |
9-Pin DB9 |
Form Factor: |
MCA Card / Module |
FCC Classification: |
FCC Class A |
Compatible With: |
IBM PS/2 Micro Channel Architecture systems |
Condition: |
Used – Pulled from Working Environment |
Seller Notes: |
Card only; no cables or accessories included. |
Country/Region of Manufacture: |
United States |
Condition Notes: |
IBM 25F9171 MCA Token Ring Card (FRU 25F7540) inspected and in good used condition. Normal wear from prior use. PCB clean, no visible damage. 9-pin connector and bracket intact. Blue MCA guides present. |
