HP mt41 HP mt41 Mobile Thin Client Maintenance and Service Guide - Page 101

Non Volatile, Amount Size

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Non Volatile Memory Type Amount (Size) Does this memory store customer data? System BIOS 4 to 5 MBytes Yes Bluetooth flash 2Mbit No 802.11 WLAN 4kb to 8kb No EEPROM Webcam 64K bit No 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 Store system System BIOS code is A utility is required for BIOS code programmed at the writing data to this and PC factory. Code is updated memory and is configuration when the system BIOS is available on the HP data. updated. Configuration website. Writing data to data and settings are input this ROM in an using the F10 setup utility inappropriate manner or a custom utility. can render the PC non- functional. Yes Stores Programmed at the A utility is required for Bluetooth factory. Tools for writing writing data to this configuration data to this memory are memory and is made and firmware. not publicly available but available through can be obtained from the newer versions of the silicon vendor. driver if the flash requires an upgrade. Yes Stores Programmed at the A utility is required for configuration factory. Tools for writing writing data to this and data to this memory are memory and is typically calibration not made public. not made available to data. the public unless a firmware upgrade is necessary to address a unique issue. Yes Store webcam Using a utility from the A utility is required for configuration device manufacturer that writing data to this and firmware. can be run from Windows. 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

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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?
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