Western Digital 61-600257-00 Micro-Channel (MCA) Ethernet network adapter card for legacy enterprise systems. This refurbished adapter provides 10 Mbps Ethernet connectivity via MCA bus interface, designed for IBM PS/2 and compatible workstations and servers from the late 1980s and early 1990s. Typical applications include network integration for legacy financial, manufacturing, or data entry systems requiring period-appropriate connectivity without replacement. The card supports standard Ethernet protocols and is compatible with OS/2, DOS, and Windows 3.x environments where MCA slot availability exists. Part Number 61-600257-00 maintains original form factor and pinout specifications. Unit has been tested and is guaranteed functional; available via quote request.
