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Non Volatile
Memory Type
Webcam
Fingerprint
reader
Questions and answers
1.
How can the BIOS settings be restored (returned to default settings)?
a.
Turn on or restart the computer and press
b.
Select File, then select Restore defaults.
c.
Follow the on-screen instructions.
d.
Select File, save changes and exit, then press Enter.
2.
What kind of configuration data is stored on the DIMM Serial Presence Detect (SPD) memory
module? How would this data be written?
The DIMM SPD memory contains information about the memory module such as size, serial number,
data width, speed/timing, voltage and thermal information. This information is written by the module
manufacturer and stored on an EEPROM. This EEPROM cannot be written to when the memory module is
installed in a PC. Third party tools do exist that can write to the EEPROM when the memory module is
not installed in a PC. There are various third party tools available to read SPD memory.
3.
Does the "Firmware Hub for System BIOS" contain the BIOS program? Is this chip writable, and if so
how?
The Firmware Hub does contain the BIOS program and is writable. A utility is required to perform the
write function.
4.
In some PC systems, the Firmware Hub for System BIOS is a flash memory chip so that updates can
be written by the customer. Is this true for these BIOS chips?
Yes, they are flash memory chips.
Amount (Size)
Does this
memory store
customer data?
64 KBits
No
512 KBytes flash
Yes
Does this
What is the
memory retain
purpose of this
data when
memory?
power is
removed?
Yes
Store webcam
configuration
and firmware.
Yes
Stores
fingerprint
templates.
F10
when prompted near the bottom of the display.
How is data
How is this
input into this
memory write
memory?
protected?
Using a utility
A utility is
from the device
required for
manufacturer
writing data to
that can be run
this memory and
from Windows.
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.
Questions and answers 157
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