Updating The Uuid; Updating The Dmi/Smbios Data - IBM 7940 Problem Determination And Service Manual

Note: If the server does not start from the external USB diskette drive, use the
Configuration/Setup Utility program to configure the external USB diskette drive as
a startup device. (For information about the Configuration/Setup Utility program, see
the User's Guide on the IBM System x Documentation CD.) Then, start again at
step 1 on page 16 of this procedure.
If there is an error in updating the firmware, try the update again.

Updating the UUID

You must update the Universal Unique Identifier (UUID) when you replace the
system board. To update the UUID, complete the following steps:
1. Copy the UUID utility (uuid.exe) from the BIOS flash diskette to a DOS bootable
2. Insert the diskette into an external USB diskette drive that is connected to the
3. Restart the server from the diskette.
4. At the a:\ prompt, type UUID /wr, and press Enter. The utility generates a
5. Restart the server.

Updating the DMI/SMBIOS data

You must update the Desktop Management Interface (DMI) when you replace the
system board. To update the DMI, complete the following steps:
1. Copy the DMI/SMBIOS utility (extrmdmi.exe) from the BIOS flash diskette to a
2. Insert the diskette into an external USB diskette drive that is connected to the
3. Restart the server from the diskette.
4. At the a:\ prompt, type extrmdmi.exe, and press Enter.
5. To change the machine type and model number, type mtm xxxxyyy, where xxxx
6. To change the serial number, type sn zzzzzzz, where zzzzzzz is the serial
7. To change the asset tag, type asset aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,
8. Restart the server.
diskette.
server.
random identifier.
DOS bootable diskette.
server.
is the model type and yyy is the model number; then, press Enter.
number; then, press Enter.
where aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa is the asset tag number; then,
press Enter.
Chapter 2. Configuration information and instructions
17