The 3C59x family of network cards from 3COM are PCI-base ethernet adapters
that support 10/100 Mbps rates.
3COM provided a packet driver for DOS (3C59XPD.COM, uses 11K of RAM, can be
loaded high), as well as a configuration tool to configure the card's
settings stored in the chip (3C59XCFG.EXE).
BIN 3c59x.zip