
Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
IBM 71G6459 X.25 ISA Inteface Co-Processor Adapter Card
- Type: Co-Processor Adapter Card
- Interface: ISA Bus
- Protocol Support: X.25
- Functionality: Network communication processing
- Brand: IBM
- Designed for legacy systems or specialized networks
We'll confirm the current price and availability for 71G6459.
Key specifications
See full specs ↓- Product Type
- Interface Co-Processor Adapter Card
- Brand
- IBM
- Model
- 71G6459
- Bus Interface
- ISA
- Protocol
- X.25
Product details
The IBM 71G6459 is an X.25 ISA Interface Co-Processor Adapter Card. This card provides specialized communication capabilities for systems requiring X.25 network protocol support.
Technical Information
| Product Type | Interface Co-Processor Adapter Card |
| Brand | IBM |
| Model | 71G6459 |
Additional Specifications
| Bus Interface | ISA |
| Protocol | X.25 |
Description
The IBM 71G6459 is an ISA bus adapter card that functions as a co-processor for handling X.25 network communications. X.25 is a packet-switched network protocol that was widely used for wide area networks (WANs) and public data networks before the widespread adoption of TCP/IP. This adapter card offloads the processing of the X.25 protocol from the main system CPU, allowing for more efficient and dedicated handling of network traffic. It is designed for systems that require direct connectivity to networks utilizing the X.25 standard, often found in specialized or legacy telecommunications and data networking environments. As an ISA (Industry Standard Architecture) card, it is intended for older computer systems or specialized industrial applications that still utilize this bus architecture. The 71G6459 serves a niche purpose for maintaining or establishing communication links over X.25 networks.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for 71G6459.



