Of Pine Wood
Network Card · 1994

3Com EtherLink III 3C509B

Works

Details
InterfaceISA 16Bit
TypeEthernet
Manufacturer3Com
Jumpersno
LinksThe Retro Web (3Com EtherLink III 3C509B-C), The Retro Web (3Com EtherLink III 3C509B-TPO) (external)
Units
UnitWorksStateYearModelBIOS
3Com EtherLink III 3C509B-CWorksi3861994EtherLink III 3C509B-Cyes
3Com EtherLink III 3C509B-TPOWorksi4861996EtherLink III 3C509B-TPOno
Notes

MS-DOS Networking

Install the 3C509B Packet Driver

  1. Run install.exe from the 3Com EtherDisk v5.0 disk.
  2. And Network Drivers > Auto Configure 3Com ISA Adapter.
  3. Then install the Packet Driver by copying A:\PKTDVR\3C5X9PD.COM to C:\NET\3COM.
  4. And add the following line to the autoexec.bat.
REM packet driver is loaded
C:\DRIVERS\3C5X9\3C5X9PD.COM 0x60
Links

https://retrocmp.de/transfer/3c509b.htm TCP/IP using Etherlink III - 3C509B

Troubleshooting

https://www.vogons.org/viewtopic.php?t=89032

The card may be in PNP mode, which may be problematic with stuff earlier than Pentium/Win9x, so try PNPDSABL.BAT.

Downloads
IMG1.44MB floppy disk images 3Com EtherDisk v3.5 - EtherLink III Family (1994).imgIMG · 1.4 MB
IMG1.44MB floppy disk images 3Com EtherDisk v5.0 - EtherLink III ISA (3C509B)(1996).imgIMG · 1.4 MB
IMG1.44MB floppy disk images 3Com EtherDisk v5.7 - EtherLink III LAN (1997).imgIMG · 1.4 MB
PDFMTL Jumper manual 3Com EtherLink III 3C509B-C-jumpers.pdfPDF · 110 KB
PDFEtherLink 10 Mbps ISA Network Interface Card User Guide EtherLink 10 Mbps ISA Network Interface Card User Guide.pdfPDF · 6.7 MB
Used in
i38690% complete · 1986–1991
i486Complete · 1989–1995