HP EliteBook 820 G1 - Page 180

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?
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.
Webcam 64 KBits No Yes Store webcam
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
512 KBytes
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.
170 Chapter 10 Statement of Volatility ENWW