IBM JS20 Hardware Maintenance Manual - Page 160
Network, connection, problems, Option
UPC - 000435230263
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Network connection problems Symptom FRU/action One or more blade servers are unable to communicate with the network. Verify that: v The switch modules for the network interface being used are installed in the correct BladeCenter bays and are configured and operating correctly. See the Hardware Maintenance Manual and Troubleshooting Guide for your BladeCenter unit. v The settings in the switch module are appropriate for the blade server (settings in the switch module are blade-server specific). If you installed an I/O expansion option, verify that: v The option is designed for the blade server (see the ServerProven® list at http://www.ibm.com/servers/eserver/serverproven/compat/us/ for compatibility information). v You followed the installation instructions that came with the option. v The option is installed correctly. v You have not loosened any other installed options or cables. v The new configuration information was saved in the blade-server firmware code. Whenever memory or an option is changed, the new configuration information is automatically saved in the blade-server firmware code. If the problem remains, see "Undetermined problems" on page 156. Option problems Symptom FRU/action An IBM option that was just installed does not work. 1. Verify that: v The option is designed for the computer (see the ServerProven list at http://www.ibm.com/pc/us/compat/). v You followed the installation instructions that came with the option. v The option is installed correctly. v You have not loosened any other installed options or cables and that all option hardware and cable connections are secure. 2. If the option comes with its own test instructions, use those instructions to test the option. 3. Replace the option you just installed. An IBM option that used to work 1. Verify that all of the option hardware and cable connections are secure. does not work now. 2. If the option comes with its own test instructions, use those instructions to test the option. 3. Replace the option you just installed. 150 BladeCenter JS20 Type 8842: Hardware Maintenance Manual and Troubleshooting Guide