Chapter 11. Additional service information
This chapter provides additional information that the service representative might find helpful.
Security features
Security features in this section include the following:
• Passwords
• Vital Product Data
• Secure Managed Client (some models)
Hardware controlled passwords
Use the Setup Utility program to set the hardware controlled passwords. For more information about
passwords, see “Using passwords ” on page 39.
Operating system password
Note:
This section applies only to computer models that have an operating system preinstalled from Lenovo.
An operating system password is very similar to a power-on password and denies access to the computer by
an unauthorized user when the password is activated. The computer is unusable until the correct password
is entered and recognized by the computer.
Vital Product Data
Each computer has a unique Vital Product Data (VPD) code stored in the nonvolatile memory on the system
board. After you replace the system board, the VPD must be updated. To update the VPD, see “Updating
(flashing) BIOS from a disc” on page 554.
Secure Managed Client
The Secure Managed Client (SMC) is a storage-based, desktop computing solution that helps businesses
reduce IT costs and improve security by turning off hard disk drives and storing all data in a non-server
remote location while offering users the flexibility and performance of a traditional desktop computer. For
computer models that do not have an internal hard disk drive and a preinstalled operating system, but
use a remote hard disk drive accessed through the SMC - Storage Array, contact the network or storage
administrator.
BIOS levels
An incorrect level of BIOS can cause false errors and unnecessary FRU replacement. Use the following
information to determine the current level of BIOS installed in the computer, the latest BIOS available for the
computer, and where to obtain the latest level of BIOS.
• To determine the current level of BIOS:
– Start the Setup Utility.
– See
BIOS Revision Level
on the Main setup screen.
• Sources for obtaining the latest level BIOS available
1. Lenovo support web site:
http://www.lenovo.com/support/
2. Lenovo Customer Support Center
© Copyright Lenovo 2008, 2011
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