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?
System BIOS
4 to 5 MBytes
Yes
Yes
Store system
BIOS code
and PC
configuration
data.
System BIOS code is
programmed at the
factory. Code is updated
when the system BIOS is
updated. Configuration
data and settings are input
using the F10 setup utility
or a custom utility.
A utility is required for
writing data to this
memory and is
available on the HP
website. Writing data to
this ROM in an
inappropriate manner
can render the PC non-
functional.
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.
Webcam
64K bit
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.
Non-volatile memory usage
91