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?
input 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
Management
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
firmware. 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
address a unique
issue.
98
Chapter 15 Statement of Volatility