Chapter 6: Linux 2.4 and 2.6
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Setting the Adapter’s Speed and Duplex Mode on Linux 2.6
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.
Phase 1 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.
Phase 2 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
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