HP ProBook 440 G1 Notebook PC Maintenance and Service Guide

Intel
Management
Engine
Firmware
(present only in
models ending
in a ‘p’ or ‘w’
or with Intel
Centrino Pro
technology)
1.5 or
5MByte
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
HW 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 2Mbit 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
4kb to 8kb 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.
Web camera 64K bit No Yes Store Web
Cam
configuration
and firmware.
Using a utility from the
device manufacturer that
can be run from
Windows.
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.
Fingerprint
reader
512kByte
Flash
Yes Yes Stores
fingerprint
templates.
By enrolling in HP
ProtectTools Security
Manager.
Only a digitally
signed application
can make the call to
write to the flash.
132 Chapter 15 Statement of Volatility