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PCN(4) BSD Kernel Interfaces Manual PCN(4)
pcn -- AMD PCnet-PCI Ethernet family driver
pcn* at pci? dev ? function ?
Configuration of PHYs may also be necessary. See mii(4).
The pcn device driver supports Ethernet interfaces based on the AMD PCnet-PCI family of Eth-
ernet chips. The chips supported by the pcn driver include:
o Am79c970 PCnet-PCI Single-Chip Ethernet Controller for PCI Local Bus
o Am79c970A PCnet-PCI II Single-Chip Full-Duplex Ethernet Controller for PCI Local Bus
o Am79c971 PCnet-FAST Single-Chip Full-Duplex 10/100Mbps Ethernet Controller for PCI Local
o Am79c972 PCnet-FAST+ Enhanced 10/100Mbps PCI Ethernet Controller with OnNow Support
o Am79c973/Am79c975 PCnet-FAST III Single-Chip 10/100Mbps PCI Ethernet Controller with
PCnet-PCI chips are found on some Hewlett-Packard PCI Ethernet boards, and on the Allied
Telesyn AT-2700TX PCI Ethernet board. They are also found on some processor evaluation
boards as an example peripheral.
The pcn driver also supports the emulated PCnet-PCI interface provided by VMware.
arp(4), ifmedia(4), mii(4), netintro(4), pci(4), ifconfig(8)
The pcn driver first appeared in NetBSD 1.6.
The pcn driver was written by Jason R. Thorpe <email@example.com>.
BSD August 27, 2001 BSD
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