IBM eServer xSeries 455 Type 8855 Hardware Maintenance Manual And Troubleshooting Manual page 152

Complete the following steps to create a backup copy of the EFI variables.
Attention:
ask the customer if they have a current backup copy. If they do not, go to the
procedure on page 146 to manually create a backup copy of the EFI variables
before you remove or replace the Remote Supervisor Adapter or clear NVRAM.
1. Ensure that the formatted media where you plan to store the backup file is
2. From the EFI Boot Manager, select EFI Shell [Built-In], and press Enter.
3. In the Shell prompt, type map -b, and press Enter.
4. Look for a file system to which you can write backup file information, and note
5. At the Shell prompt, type fsn:, and press Enter. The prompt changes to fsn:\.
6. Type the following EFI command to create a backup copy of the EFI variables:
7. Type one of the following EFI commands to verify that the backup file was
Complete the following steps to remove the I/O board, riser card, or Remote
Supervisor Adapter:
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IBM xSeries 455 Type 8855: Hardware Maintenance Manual and Troubleshooting Guide
If you cannot use the following instructions to make a backup copy,
installed, and start the server.
Note: If EFI Shell is not a choice on the list, the server has a customized
startup configuration. Contact the system administrator for further
instructions.
the file system number (fsn:, where n is the number of the file system). The
following character string will be displayed in the middle of the line: Scsi.
backup filename
(Where filename is the name you want to assign to the backup copy, for
example, efibskup.001), and press Enter.
Note: You might need to locate the file.
If the backup is successful, the screen will display the following message:
Completed - Success
created successfully: dir or ls.
1. Turn off the server (see "Turning off the server" on page 9), and disconnect all
power cords and external cables.
2. Open the top cover (see "Opening the cover" on page 84).
3. Remove the memory-board assembly. See "Memory-board assembly" on page
127 for details.
4. Remove the shipping thumbscrews from the right side of the server, and lift the
retention bracket from the server.
5. Remove the processor-board assembly. See "Processor-board assembly" on
page 129 for details.
6. Remove the PCI-X board assembly from the server (see "PCI-X board
assembly" on page 133), and place it on a clean work surface.
7. Remove the midplane board (see "Midplane board" on page 135); then,
carefully lift the midplane board out of its socket, and place it on a
static-protective surface.