Vintage genuine 3Com EtherLink XL PCI Ethernet network adapter, model 3C900B-COMBO.This is the combination-interface version with three connection options:* RJ-45 — 10BASE-T
* BNC — 10BASE2 / coaxial Ethernet
* DB-15 AUI
* PCI interface
* 10 Mbps Ethernet
* 3Com Parallel Tasking II controller
* Boot ROM socket
* Genuine 3Com manufactured cardThese cards were removed from working computers approximately 20 years ago and stored since. They have not been recently tested, so they are being represented as historical working pulls rather than currently tested hardware.I have two cards available. This listing is for ONE card. The cards are the same 3C900B-COMBO model but have minor production/revision and component differences. Serial number and exact board revision received may vary from the photographs.Both show normal cosmetic wear from age, removal and long-term storage. The metal brackets and connectors have some oxidation/tarnish, particularly around the BNC/AUI area. Please review the photographs for condition.Included:
One 3Com 3C900B-COMBO PCI network card only.No drivers, software, cables, manuals or other accessories are included.Item specificsBrand: 3Com
Model: EtherLink XL 3C900B-COMBO
Type: Ethernet Network Card
Interface: PCI
Network speed: 10 Mbps
Ports: RJ-45 / BNC / AUI DB-15
Condition: Used — vintage working pull, not recently tested