HP Spectre x360 Maintenance And Service Manual page 92

Non Volatile
Memory Type
Intel
Management
Engine Firmware
(present only in
models ending in
a 'p' or 'w' or
with Intel
Centrino Pro
technology)
Bluetooth flash
802.11 WLAN
EEPROM
84 Chapter 15 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 What
this memory is the purpose
retain data of this memory?
when 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
input into is this memory
this memory? write
protected?
using the F10 render the PC
setup utility or a nonfunctional.
custom utility.
Management The Intel chipset
Engine Code is configured to
is programmed enforce
at the factory. hardware
Code is updated protection to
via Intel secure block all direct
firmware update read/write
utility. Unique access to
Provisioning this area. An
Data can be Intel utility
entered is required for
at the factory or updating the fir
by an mware. Only
administrator firmware
using the Manag updates digitally
ement Engine signed by Intel
(MEBx) setup can be applied
utility. The third using this utility.
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 A utility
at the factory. is required for
Tools for writing writing data to
data to this memory
this memory are and is made
not publicly available
available but can through newer
be obtained versions
from the silicon of the driver
vendor. if the flash
requires an
upgrade.
Programmed A utility
at the factory. is required for
Tools for writing writing data to
data to this memory
this memory are and is typically
not made public. not made
available
to the public
unless a
firmware
upgrade
is necessary to