IBM X3850 X6, Installation And Service Manual

Page: 220 / 1730

In-band manual recovery method
To recover the server firmware and restore the server operation to the primary
bank, complete the following steps:
Procedure
1. Turn off the server, and disconnect all power cords and external cables.
2. Locate the SW1 switch block on the standard I/O book.
NMI
button
SW1
switch
block
SW2
switch
block
(reserved)
IMM security
jumper (J35)
1
2
3
4
5
6
7
8
OFF
ON
1
2
3
3. Change the position of switch 7 on the SW1 switch block to ON to enable the
UEFI recovery mode.
4. Reconnect all power cords.
5.
Restart the server. The power-on self-test (POST) starts.
6. Boot the server to an operating system that is supported by the IBM Flash
UEFI Update package that you downloaded.
7.
Perform the firmware update by following the instructions that are in the
firmware update package readme file.
8. Copy the downloaded firmware update package into a directory.
9. From a command line, type
filename -s
, where filename is the name of the
executable file that you downloaded with the firmware update package.
10. Turn off the server and disconnect all power cords and external cables.
11. Change the position of switch 7 back to OFF (the default).
12. Reconnect all the power cables.
13. Restart the server.
Results
In-band automated boot recovery method
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System x3850 X6 and x3950 X6 Types 3837 and 3839: Installation and Service Guide