HP ProDesk 400 G5 SFF Maintenance And Service Manual page 117

Nonvolatile
memory type Amount (Size)
Intel Management 7 MBytes
Engine Firmware
Does this Does this
memory memory
store retain data
customer when power
data? is removed?
Yes Yes
What is the
purpose of this How is data input into this
memory? memory?
Stores Management Engine Code is
Management programmed at the factory.
Engine Code, Code is updated via Intel
Settings, secure firmware update utility.
Provisioning Unique Provisioning Data can
Data and iAMT be entered at the factory or by
third-party data an administrator using the
store. Management Engine (MEBx)
setup utility. The third-party
data store contents can be
populated by a remote
management console or local
applications that have been
registered by an administrator
to have access to the space.
How is this memory write-
protected?
follow the on-screen
instructions.
The Intel chipset is
configured to enforce
hardware protection to
block all direct read/write
access to this area. An
Intel utility is required for
updating the firmware.
Only firmware updates
digitally signed by Intel
can be applied using this
utility.
Nonvolatile memory usage 111