CNet - CN650E/2

Micro Channel Bus Ethernet Adapter Card

General Description

The PowerNIC CN650E/2 is a jumperless, 16-bit Micro Channel Architecture (MCA) PS/2 Ethernet adapter card. It is designed to connect an MCA PS/2 or compatible computer to a network using either 10BaseT unshielded twisted-pair (UTP) cable or 10Base2 Thin Ethernet (BNC) cable.

Key Features

  • High performance, jumperless Micro Channel bus Ethernet adapter with 10Base2 and 10BaseT support
  • Software configurable
  • 2-in-1 MCA board types supported (Novell NE/2 compatible mode & 650E/2 standard mode)
  • Auto-detection of media type (twisted-pair wire & coaxial cable)
  • 16 KBytes buffer memory
  • Diagnostic LEDs provided
  • Zero-wait state operation


  • Bus Interface 16-bit IBM PS/2 Micro Channel
  • Media Interface 10Base2 and 10BaseT
  • Diagnostic LEDs Green for UTP link status
  • Yellow for activity indication
  • Interrupt Channels : 3 (Default), 4, 5, 9, 10, 11, 12, 15
  • I/O Base Addresses : 1000H (Default), 2020H, 8020H, A0A0H, B0B0H, C0C0H, C3D0H
  • Boot ROM Size : 8K Bytes
  • ROM Addresses : C8000H (Default), CA000H, CC000H, CE000H, D0000H, D2000H, D4000H
  • Operating Temperature : 0 - 40C (32 - 104F)
  • Relative Humidity : 0 - 90% non-condensing
  • Board Size : 173 x 88mm (6.8"x 3.5")

Ordering Information

  • Model # : CN650E/2
    Description : Ethernet adapter card for PS/2 MCA bus with BNC & UTP connectors

Content created and/or provided by:
Louis F. Ohland, Peter H. Wendt, David L. Beem, William R. Walsh, Tatsuo Sunagawa, Tomáš Slavotínek, Jim Shorney, Tim N. Clarke, Kevin Bowling, and many others.

Ardent Tool of Capitalism - MAD Edition! is maintained by Tomáš Slavotínek.
Last update: 03 Dec 2023 - Changelog | Legal Info & Contact