HP EliteBook 720 G1 Maintenance And Service Manual page 168

Non Volatile
Memory Type
Intel
Management
Engine Firmware
(present only in
specific ZBook
and EliteBook
models. For
more
information, go
to
http://www.hp.com/
support, and
select your
country. Select
Drivers &
Downloads, and
then follow the
on-screen
instructions.)
Bluetooth flash
802.11 WLAN
EEPROM
156 Chapter 10 Statement of Volatility
Amount (Size) Does this
memory store
customer data?
1.5 or 5 MBytes Yes
2 MBits No
4 KBytes to 8 No
KBytes
Does this What is the
memory retain purpose of this
data when memory?
power is
removed?
Yes Stores
Management
Engine Code,
Settings,
Provisioning
Data and iAMT
third party data
store.
Yes Stores Bluetooth
configuration
and firmware.
Yes Stores
configuration
and calibration
data.
How is data How is this
input into this memory write
memory? protected?
or a custom
utility.
Management The Intel chipset
Engine Code is is configured to
programmed at enforce
the factory. hardware
Code is updated protection to
via Intel secure block all direct
firmware update read/write
utility. Unique access to this
Provisioning area. An Intel
Data can be utility is required
entered at the for updating the
factory or by an firmware. Only
administrator firmware
using the updates digitally
Management signed by Intel
Engine (MEBx) can be applied
setup utility. The using this utility.
third party data
store contents
can populated
by a remote
management
console or local
applications
registered by an
administrator to
have access to
the space.
Programmed at A utility is
the factory. required for
Tools for writing writing data to
data to this this memory and
memory are not is made
publicly available
available but can through newer
be obtained versions of the
from the silicon driver if the flash
vendor. requires an
upgrade.
Programmed at A utility is
the factory. required for
Tools for writing writing data to
data to this this memory and
memory are not is typically not
made public. made available
to the public
unless a
firmware
upgrade is
necessary to
address a unique
issue.