HP EliteBook 820 G1 Maintenance And Service Manual page 138

Non Volatile
Memory
Type
Bluetooth flash
802.11 WLAN
EEPROM
Webcamera
Fingerprint
reader
130 Chapter 10 Statement of Volatility
Amount Does this
(Size) memory
store
customer
data?
2 MBits No
4 KBytes to 8 No
KBytes
64 KBits No
512 KBytes Yes
flash
Does this What is the
memory purpose of
retain data this
when power memory?
is removed?
Yes Stores Bluetooth
configuration
and firmware.
Yes Stores
configuration
and calibration
data.
Yes Store
webcamera
configuration
and firmware.
Yes Stores
fingerprint
templates.
How is data How is this
input into memory
this write
memory? protected?
Programmed at A utility is
the factory. required for
Tools for writing writing data to
data to this this memory
memory are not and is made
publicly available
available but through newer
can be versions of the
obtained from driver if the
the silicon flash requires
vendor. an upgrade.
Programmed at A utility is
the factory. required for
Tools for writing writing data to
data to this this memory
memory are not and is typically
made public. not made
available to the
public unless a
firmware
upgrade is
necessary to
address a
unique issue.
Using a utility A utility is
from the device required for
manufacturer writing data to
that can be run this memory
from Windows. and is typically
not made
available to the
public unless a
firmware
upgrade is
necessary to
address a
unique issue.
By enrolling in Only a digitally
HP ProtectTools signed
Security application can
Manager. make the call to
write to the
flash.