3 Replies Latest reply: Feb 5, 2012 11:32 PM by vardhan reddy RSS

82574 Ethernet controller and Gigabit Ethernet test modes

danielkrüger Community Member
Currently Being Moderated

Hello,

 

I tried to configure the Gigabit Ethernet test modes on an Intel 82574 Gigabit Ethernet controller without success.

 

HW 1: Intel Gigabit CT Desktop Adapter with Intel 82574 Gigabit Ethernet controller

HW 2: Own design with Intel 82574 Gigabit Ethernet controller

 

I used the LANConf program from the Quartzville_Tools_256087.zip archive under Linux on HW 1 and 2. In LANConf I selected "IEEE Tests" -> "1 Gbps" -> "40.6.1.2.1 - Peak Differential Output Voltage and Level Accuracy". Then I watched the Ethernet signals lines at the test fixture with a scope, but I cannot see the waveform as shown in Intel "1000BASE-T/100BASE-TX/10BASE-T Physical Layer Compliance Tests Manual" Figure 2-1. I just see the waveform as shown in the attached screen shot.

 

I repeated the test with the manual PHY setting as described in

http://communities.intel.com/community/wired/blog/2011/07/01/intel-82574-gigabit-ethernet-controller-sw-features-faq , but that didn't succeed neither.

 

Is there an EEPROM setting that prevents the Ethernet controller from entering the test mode?

 

Thanks for your help in advance.

 

cu,

  Daniel

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