HP Z4 G4 Maintenance And Service Manual page 100

Nonvolatile
memory type Amount (Size)
Intel Management 7 MBytes
Engine Firmware
92 Appendix B Statement of memory volatility
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
Provisioning utility. Unique Provisioning
Data and iAMT Data can be entered at the
third-party data factory or by an
store. administrator using the
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.