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HP Z4 G4 Maintenance And Service Manual Page 100

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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.

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