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el(4) [netbsd man page]

EL(4)							   BSD Kernel Interfaces Manual 						     EL(4)

NAME
el -- 3Com EtherLink (3c501) Ethernet interface device driver SYNOPSIS
el0 at isa? port 0x300 irq 9 DESCRIPTION
The el interface provides access to a 10 Mb/s Ethernet network via the 3Com EtherLink (3c501) Ethernet cards. SEE ALSO
intro(4), isa(4), ifconfig(8) AUTHORS
The el driver was written my Matthew Kimmel. BUGS
The el driver does not currently support multicast or DMA. BSD
November 10, 1997 BSD

Check Out this Related Man Page

VX(4)							 BSD/i386 Kernel Interfaces Manual						     VX(4)

NAME
vx -- 3Com EtherLink III / Fast EtherLink III (3c59x) Ethernet driver SYNOPSIS
To compile this driver into the kernel, place the following line in your kernel configuration file: device vx Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): if_vx_load="YES" DESCRIPTION
The vx driver provides support for the 3Com ``Vortex'' chipset. The medium selection can be influenced by the following link flags to the ifconfig(8) command: link0 Use the AUI port. link1 Use the BNC port. link2 Use the UTP port. HARDWARE
The vx driver supports the following cards: o 3Com 3c590 EtherLink III PCI o 3Com 3c592 EtherLink III EISA o 3Com 3c595 Fast EtherLink III PCI in 10 Mbps mode o 3Com 3c597 Fast EtherLink III EISA in 10 Mbps mode DIAGNOSTICS
vx%d: not configured; kernel is built for only %d devices. There are not enough devices in the kernel configuration file for the number of adapters present in the system. Add devices to the configuration file, rebuild the kernel, and reboot. All other diagnostics indicate either a hardware problem or a bug in the driver. CAVEATS
Some early-revision 3c590 cards are defective and suffer from many receive overruns, which cause lost packets. The author has attempted to implement a test for it based on the information supplied by 3Com, but the test resulted mostly in spurious warnings. The performance of this driver is somewhat limited by the fact that it uses only polled-mode I/O and does not make use of the bus-mastering capability of the cards. SEE ALSO
arp(4), netintro(4), ng_ether(4), ifconfig(8) HISTORY
The vx device driver first appeared in FreeBSD 2.1. It was derived from the ep driver, from which it inherits most of its limitations. AUTHORS
The vx device driver and this manual page were written by Fred Gray <fgray@rice.edu>, based on the work of Herb Peyerl and with the assis- tance of numerous others. BUGS
The vx driver is known not to reset the adapter correctly following a warm boot on some systems. The vx driver has not been exhaustively tested with all the models of cards that it claims to support. BSD
July 16, 2005 BSD
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