Setting The Adapter's Speed And Duplex Mode On Linux 2.6; Phase 1; Phase 2 - Allied Telesis AT-2700FX Installation Manual

Chapter 6: Linux 2.4 and 2.6

Setting the Adapter's Speed and Duplex Mode on Linux 2.6

Phase 1

Phase 2

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Linux 2.6 comes with the adapter driver. Driver installation is not required.
This section contains the procedure for setting the adapter's speed and
duplex mode in a Linux 2.6 system. The procedure is divided into two
phases.
Run the AT-Diag utility and set the adapter's speed and duplex mode. For
instructions, refer to Chapter 10, "AT-Diag Utility" on page 175.
Alternatively, you can use the BootPROM chip and MBA to configure the
adapter.
Edit the /etc/modprobe.conf file and add the line "options
pcnet32 options= below the line alias eth0 pcnet32. Below are
the various options for setting the speed and duplex mode:
AT-2701FX and AT-2701FTX 100Mbps Fiber Optic Port
options pcnet32 options=13 #100Mb Half Duplex
options pcnet32 options=14 #100Mbps Full Duplex
AT-2451FTX 10Mbps Fiber Optic Port
options pcnet32 options=9 #10Mb Half Duplex
options pcnet32 options=10 #10Mb Full Duplex
You can omit the line options pcnet32 options= when setting the
twisted pair port to 'Auto' for Auto-Negotiation.
The following example configures an AT-2701FX or AT-2701FTX adapter
card to 100 Mbps, half-duplex.
alias eth0 pcnet32
options pcnet32 options=13