Manufacturer
Commodore, USA
Date
1990
Amiga
A2000, A3000, A4000
Interface
Zorro II
Autoconfig ID
514 / 90,112
    Ethernet interface
  • based on the Ameristar Ethernet Controller
  • AMD Am7990 Ethernet controller
  • 10 Mbit/s transfer speed
  • 32 kB buffer shared between the Am7990 and the Amiga
  • uses DMA transfers for the onboard buffer
  • BNC and DB15 (AUI) connectors
  • Thick Ethernet 10Base5
    • segment length: 500 meters without repeaters
    • network length: 2500 meters without repeaters
    • 100 nodes per segment
    • min. node spacing: 2.5 meters
    • requires transceiver cable
  • Thin Ethernet 10Base2
    • segment length: 185 meters without repeaters
    • network length: 925 meters without repeaters
    • 30 nodes per segment
    • min. node spacing: 0.5 meters
  • no direct support for 10BaseT
  • SANA II and MNI drivers
  • supported by Linux, NetBSD and OpenBSD
Commodore A2065 -  front side
front side
Commodore A2065 -  back side
back side