DE(4) BSD Programmer's Manual DE(4)
de - DEC DC21x4x (Tulip) Ethernet driver
de* at pci? dev ? function ?
The de device driver supports Ethernet adapters based on the Digital Equipment DC21x4x based self-contained Ethernet chips. This includes, among others, the following models: Asante Cogent EM100FX and EM440TX DEC PCI DE435, EISA DE425, DE450, DE500 older LinkSys 10, 10/100 SMC 8432, 9332, 9334 ZNYX ZX3xx This driver may support other cards based on the 21040 and 21041 Ethernet controllers, or the 21140[A], 21141, 21142, and 21143 Fast Ethernet con- trollers. The de driver supports the following media types: autoselect Enable autoselection of the media type and options. 10baseT Set 10Mbps operation on the 10baseT port. 10base2 Set 10Mbps operation on the BNC port. 10base5 Set 10Mbps operation on the AUI port. 100baseTX Set 100Mbps (Fast Ethernet) operation. 100baseFX Set 100Mbps operation. 100baseT4 Set 100Mbps operation (4-pair cat-3 cable). The de driver supports the following media options: full-duplex Set full duplex operation for UTP port. For more information on configuring this device, see ifconfig(8). To view a list of media types and options supported by your card try ifconfig -m <device>. For example, ifconfig -m de0. Note that the media types available depend on the particular card in use. Some cards are explicitly programmed to a particular media type by a set- up utility and are not changeable. The old "ifconfig linkN" method of configuration is not supported.
de%d: waking device from sleep/snooze mode The 21041 and 21140A chips support suspending the operation of the card. de%d: error: desired IRQ of %d does not match device's actual IRQ of %d The device probe detected that the board is configured for a dif- ferent interrupt than the one specified in the kernel configuration file. de%d: not configured; limit of %d reached or exceeded There is a limit of 32 de devices allowed in a single machine. de%d: not configured; 21040 pass 2.0 required (%d.%d found) de%d: not configured; 21140 pass 1.1 required (%d.%d found) Certain re- visions of the chipset are not supported by this driver.
arp(4), ifmedia(4), intro(4), netintro(4), pci(4), hostname.if(5), ifconfig(8)
The de device driver was written by Matt Thomas. This manual page was written by David E. O'Brien.
Since the 21040 is available on both EISA and PCI boards, one must be careful in how one defines the 21040 in the kernel config file. On the alpha platform, disk space requirements on the installation media cause the de driver to be preferred to the dc driver. However, the dc will perform better on some hardware; if this is the case, it is advised to rename the /etc/hostname.de* files to /etc/hostname.dc*, and disable the de driver in the kernel, so that the dc driver will be used. Refer to boot_config(8) for details on how to disable drivers in the kernel. MirOS BSD #10-current January 19, 1997 1
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