HP Spectre x360, Руководство по техническому обслуживанию и ремонту

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Non Volatile
Memory Type Amount (Size) Does
this memory
store customer
data? Does
this memory
retain data
when power
is removed? What
is the purpose
of this memory? How is data
input into
this memory? How
is this memory
write
protected?
using the F10
setup utility or a
custom utility.
render the PC
nonfunctional.
Intel
Management
Engine Firmware
(present only in
models ending in
a ‘p’ or ‘w’ or
with Intel
Centrino Pro
technology) 1.5 or 5 MBytes Yes Yes Stores
Management
Engine Code,
Settings,
Provisioning
Data and iAMT
third party data
store. Management
Engine Code
is programmed
at the factory.
Code is updated
via Intel secure
firmware update
utility. Unique
Provisioning
Data can be
entered
at the factory or
by an
administrator
using the Manag
ement Engine
(MEBx) setup
utility. The 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. 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 fir
mware. Only
firmware
updates digitally
signed by Intel
can be applied
using this utility.
Bluetooth flash 2 MBits No Yes Stores Bluetooth
configuration
and firmware. Programmed
at the factory.
Tools for writing
data to
this memory are
not publicly
available but can
be obtained
from the silicon
vendor. A utility
is required for
writing data to
this memory
and is made
available
through newer
versions
of the driver
if the flash
requires an
upgrade.
802.11 WLAN
EEPROM 4 KBytes to 8
KBytes No Yes Stores
configuration
and calibration
data. Programmed
at the factory.
Tools for writing
data to
this memory are
not made public. A utility
is required for
writing data to
this memory
and is typically
not made
available
to the public
unless a
firmware
upgrade
is necessary to
84 Chapter 15 Statement of Volatility