HP EliteBook 745 G2, Руководство по техническому обслуживанию и ремонту

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h. Select the Main menu, then Save Changes and Exit .
i. Reboot the system. If the system has a Trusted Platform Module (TPM) and/or fingerprint sensor,
one or two prompts will appear. One to clear the TPM and the other to Reset Fingerprint Sensor;
press F1 to accept or F2 to reject.
j. Remove all power and system batteries for at least 24 hours.
2. Remove and retain the storage drive or clear the contents of the drive.
Clear the drive contents by using the BIOS Setup Secure Erase command option, or by using a third party
utility designed to erase data from an SSD. To run Secure Erase, follow these steps:
a. Enter BIOS Setup by powering on the system, and then pressing F10 when prompted near the
bottom of the display.
b. Select the Security menu and scroll down to the Utilities menu.
c. Select Hard Drive Tools .
d. Under Utilities , select Secure Erase , and then select the desired hard drive.
Non-volatile memory usage
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?
HP Sure Start
flash (select
models only)
2 MB No Yes Provides
protected
backup of
critical System
BIOS code, EC
firmware, and
critical PC
configuration
data for select
platforms that
support HP Sure
Start.
For more
information,
see Using HP
Sure Start
(select models
only)
on page 150 .
Data cannot be written to this
device via the host processor.
The content is managed
solely by the HP Sure Start
Embedded Controller.
This memory is protected
by the HP Sure Start
Embedded Controller.
Real Time Clock
(RTC) battery
backed-up CMOS
configuration
memory (CMOS)
256 Bytes No Yes Stores system
date and time
and limited
keyboard
controller data.
Using the F10 Setup utility or
changing the Microsoft
Windows date & time.
This memory is not write-
protected. HP
recommends password
protecting the F10 Setup
utility.
146 Chapter 14 Statement of Volatility ENWW