Lenovo ThinkPad R400 - Manual (Page 53)

PSA and to display an icon on a secure launching area called the Access IBM
Predesktop Area. Each Boot PSA is digitally signed to deter tampering and to deter
viruses. Each time a Boot PSA is used, the signature is checked. Only those PSAs
with valid signatures are permitted to boot. Data PSAs contain all of the files
associated with the application itself.
Some ThinkCentre and ThinkPad models, the HPA provides the tools to diagnose a
problem and recover from a catastrophic failure by restoring the contents of the
hard disk to a factory-installed state. Access to these tools is provided through the
IBM Predesktop Area.
Recovery impacts
Because the content of the HPA is not affected by the ImageUltra Builder
deployment or installation processes, it is very likely that you can have multiple
forms of recovery after a Smart Image has been installed on a target computer that
has an HPA. The presence or absence of the Rescue and Recovery product also has
an impact on recovery options.
Because the tools within the HPA are DOS based and the HPA is protected against
alterations, when the ImageUltra Builder program is installed on a computer that
has an HPA, the ImageUltra Builder program creates its own service partition and
installs a boot manager to bypass the IBM Predesktop Area. When F11 is pressed
during startup, instead of booting to the IBM Predesktop Area, the computer boots
to service partition and opens the ThinkVantage ImageUltra Builder workspace. All
recovery operations are performed from the ThinkVantage ImageUltra Builder
workspace.
If a user selects Restore your system --> Restore my hard drive to the original
factory state from the ThinkVantage ImageUltra Builder workspace menu, the
ImageUltra Builder installation menu system opens, which enables the user to
reinstall the Smart Image instead of the original factory-installed image.
Importing modules and maps from an HPA
The ImageUltra Builder program can import modules and maps from an HPA just
like it does from a service partition. For more information about importing
modules, see “Importing pre-existing maps and modules” on page 14.
Using drivers in an HPA
Because the contents of an HPA are preserved while a Smart Image is being
installed, the ImageUltra Builder program can use the device drivers stored in the
HPA if a driver map is not defined for the Smart Image. See “Using drivers in an
HPA” for more information.
ImageUltra Builder relationships with the Rescue and
Recovery product
This section provides information about the Rescue and Recovery product and the
relationships that exist between the Rescue and Recovery product and the
ImageUltra Builder program.
What is the Rescue and Recovery product?
The Rescue and Recovery product provides a set of tools to help users diagnose,
get help, and recover from a system failure even if the Windows operating system
on the C partition cannot be started. The Rescue and Recovery product is available
as follows:
Chapter 3. Staging-area behavior and logic 39