NAME    [Toc]    [Back]

     em - Intel(R) PRO/1000 Gigabit Ethernet driver

SYNOPSIS    [Toc]    [Back]

     em* at pci? dev ? function ?

DESCRIPTION    [Toc]    [Back]

     The em driver provides  support  for  PCI  Gigabit  Ethernet
adapters based on
     the  Intel  82540,  82541, 82542, 82543, 82544, 82545, 82546
and 82547 Ethernet
 controller chips.  This includes the following models:

           Intel  PRO/1000  Gigabit  Server  Adapter  (SX  Fiber)
(PWLA8490)
           Intel PRO/1000F  Gigabit  Server  Adapter  (SX  Fiber)
(PWLA8490SX)
           Intel PRO/1000T Server Adapter (PWLA8490T)
           Intel PRO/1000XT Server Adapter (PWLA8490XT)
           Intel    PRO/1000XS    Server   Adapter   (SX   Fiber)
(PWLA8490XF)
           Intel PRO/1000T Desktop Adapter (PWLA8390T)
           Intel PRO/1000XTL Lo Profile PCI Server (PWLA8490XTL)
           Intel PRO/1000MT Desktop Adapter (PWLA8390MT)
           Intel PRO/1000MT Server Adapter (PWLA8490MT)
           Intel PRO/1000MT Dual Port Server Adapter (PWLA8492MT)
           Intel    PRO/1000MF    Server   Adapter   (SX   Fiber)
(PWLA8490MF)
           Intel PRO/1000MF Dual Port Server Adapter  (SX  Fiber)
(PWLA8492MF)
           Intel    PRO/1000MF    Server   Adapter   (LX   Fiber)
(PWLA8490LX)
           Intel PRO/1000MT Quad PCI-X Adapter (PWLA8494MT)

     The em driver supports the following media types:

           autoselect  Enables auto-negotiation for speed and duplex.

           10baseT mediaopt full-duplex
                       Sets 10Mbps operation.

           100baseTX mediaopt full-duplex
                       Sets 100Mbps operation.

           1000baseSX  Sets 1000Mbps operation.  Only full-duplex
mode is supported
 at this speed.

           1000baseT   Sets 1000Mbps operation.  Only full-duplex
mode is supported
 at this speed.

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

DIAGNOSTICS    [Toc]    [Back]

     em%d: Unable to allocate bus resource: memory  A fatal  initialization error
 has occurred.

     em%d:  Unable  to  allocate bus resource: interrupt  A fatal
initialization
     error has occurred.

     em%d: watchdog timeout -- resetting  The device has  stopped
responding to
     the  network, or there is a problem with the network connection (cable).

SUPPORT    [Toc]    [Back]

     For general information and support, go to the Intel support
website at:
     http://support.intel.com.

SEE ALSO    [Toc]    [Back]

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

HISTORY    [Toc]    [Back]

     The em device driver first appeared in OpenBSD 3.2.

AUTHORS    [Toc]    [Back]

     The em driver was written by Intel Corporation
     <[email protected]>.

OpenBSD      3.6                           March      1,     2002