HP ProBook 430 HP ProBook 430 G1 Notebook PC Maintenance and Service Guide - Page 126

Statement of Volatility, Non Volatile

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Non Volatile Amount Memory Type (Size) Intel Management Engine Firmware (present only in models ending in a 'p' or 'w' or with Intel Centrino Pro technology) 1.5 or 5MByte Bluetooth flash 2Mbit 802.11 WLAN EEPROM 4kb to 8kb Web Camera 64K bit Fingerprint Reader 512kByte Flash 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? 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. No Yes Stores Programmed at the factory. A utility is required for Bluetooth Tools for writing data to this writing data to this configuration memory are not publicly memory and is made and firmware. available but can be available through newer obtained from the silicon versions of the driver if vendor. the flash requires an upgrade. No Yes Stores Programmed at the factory. A utility is required for configuration Tools for writing data to this writing data to this and calibration memory are not made memory and is typically data. public. not made available to the public unless a firmware upgrade is necessary to address a unique issue. No Yes Store Web Using a utility from the A utility is required for Cam device manufacturer that writing data to this configuration can be run from Windows. memory and is typically and firmware. not made available to the public unless a firmware upgrade is necessary to address a unique issue. 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. 116 Chapter 12 Statement of Volatility

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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?
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.
116
Chapter 12
Statement of Volatility