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NAME

txp — 3Com 3XP Typhoon/Sidewinder (3CR990) 10/100 Ethernet device

SYNOPSIS

txp* at pci?

DESCRIPTION

The txp driver provides support for the 3Com Typhoon/Sidewinder Fast Ethernet chipset, including the following:

• 3Com 3CR990-TX-95
• 3Com 3CR990-TX-97
• 3Com 3CR990SVR95
• 3Com 3CR990SVR97

The txp driver supports IPv4 receive IP/TCP/UDP checksum offload, IPv4 transmit IP checksum offload, and VLAN tag insertion and stripping.

The txp driver supports the following media types:

autoselect

Enable autoselection of the media type and options. The user can manually override the autoselected mode by adding media options to the appropriate hostname.if(5) file.

10baseT

Set 10Mbps operation. The ifconfig(8) mediaopt option can also be used to select either full-duplex or half-duplex modes.

100baseTX

Set 100Mbps (Fast Ethernet) operation. The ifconfig(8) mediaopt option can also be used to select either full-duplex or half-duplex modes.

The txp driver supports the following media options:

full-duplex

Force full duplex operation.

half-duplex

Force half duplex operation.

For more information on configuring this device, see ifconfig(8).

FILES

The driver needs a firmware file, which is loaded on demand when the device is attached:

SEE ALSO

arp(4), ifmedia(4), intro(4), netintro(4), pci(4), hostname.if(5), ifconfig(8)

HISTORY

The txp driver first appeared in OpenBSD 2.9.