HP mt41 Maintenance And Service Manual page 101

Non Volatile Amount (Size)
Memory Type
System BIOS 4 to 5 MBytes
Bluetooth flash 2Mbit
802.11 WLAN 4kb to 8kb
EEPROM
Webcam 64K bit
Does this Does this
memory memory
store retain data
customer when
data? power is
removed?
Yes Yes
No Yes
No Yes
No Yes
What is the How is data input into
purpose of this memory?
this
memory?
Store system System BIOS code is
BIOS code programmed at the
and PC factory. Code is updated
configuration when the system BIOS is
data. updated. Configuration
data and settings are input
using the F10 setup utility
or a custom utility.
Stores Programmed at the
Bluetooth factory. Tools for writing
configuration data to this memory are
and firmware. not publicly available but
can be obtained from the
silicon vendor.
Stores Programmed at the
configuration factory. Tools for writing
and data to this memory are
calibration not made public.
data.
Store webcam Using a utility from the
configuration device manufacturer that
and firmware. can be run from Windows.
How is this memory
write protected?
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.
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.
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.
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