3COM 3C589B EtherLink III PCMCIA Network Adapter – Vintage Laptop NIC

The 3COM 3C589B is a PCMCIA Ethernet network adapter from the EtherLink III series, designed for laptops and mobile computing devices from the 1990s. This adapter provides 10 Mbps Ethernet connectivity, making it perfect for vintage computing enthusiasts, industrial laptops, or retro network setups.

Features & Specifications

• Manufacturer: 3Com

• Model: 3C589B

• Series: EtherLink III

• Interface: PCMCIA Type II card

• Network Type: 10 Mbps Ethernet (10BASE-T / 10BASE-2)

• Compatibility: DOS, Windows 3.x/95, early Windows NT, and Linux via 3c589 drivers

• Status LEDs: Link and Activity indicators

Condition

• See photos for exact condition

• Adapter only — no drivers or original packaging unless shown

Notes

• Ideal for vintage laptop networking or retro computing collections

• EtherLink III PCMCIA cards are collectible among industrial and retro computing enthusiasts

All units were pulled from working systems, refurbished and packed in anti-static bags.
These are untested but should work just fine. As with all electronics of this age, Item is sold as is.