Table 5. Security menu items (continued)
Menu item
Submenu item
Value
Comments
Security Chip
Selection
•
Discrete TPM
• Intel PTT
If you select
Discrete TPM
, you can use a
discrete TPM chip with TPM 1.2 mode. If you
select
Intel PTT
, you can use Intel Platform
Trusted technology (PTT) with TPM 2.0 mode.
Note:
Intel PTT can be used with Windows 8 or
later operating system.
Security Chip
• Active
•
Inactive
• Disabled
If you select
Active
, the security chip is
functional. If you select
Inactive
, the
Security
Chip
option is visible, but the security chip
is not functional. If you select
Disabled
, the
Security Chip
option is hidden and the security
chip is not functional.
Security Reporting
Options
Enable or disable the following Security
Reporting Options:
•
BIOS ROM String Reporting
(Windows 7)
or
UEFI ROM String Reporting
(Windows
8): BIOS text string.
•
CMOS Reporting
: CMOS data.
•
NVRAM Reporting
: Security data stored in
the Asset ID.
•
SMBIOS Reporting
: SMBIOS data.
Clear Security Chip
•
Enter
Clear the encryption key.
Note:
This item is displayed only if you have
selected
Active
for the
Security Chip
option.
Intel TXT Feature
•
Disabled
• Enabled
Enable or disable Intel Trusted Execution
Technology.
Physical Presence
for Provisioning
•
Disabled
• Enabled
This option enables or disables the confirmation
message when you change the settings of the
security chip.
Security Chip
Physical Presence
for Clear
• Disabled
•
Enabled
This option enables or disables the confirmation
message when you clear the security chip.
Flash BIOS Updating
by End-Users
• Disabled
•
Enabled
If you select
Enabled
, all users can update the
UEFI BIOS. If you select
Disabled
, only the
person who knows the supervisor password can
update the UEFI BIOS.
UEFI BIOS Update
Option
Secure RollBack
Prevention
•
Disabled
• Enabled
If you select
Disabled
, you can flash the older
version UEFI BIOS.
Memory Protection
Execution
Prevention
• Disabled
•
Enabled
Some computer viruses and worms cause
memory buffers to overflow. By selecting
Enabled
you can protect your computer against
attacks by such viruses and worms. If after
choosing
Enabled
you find that a program does
not run correctly, select
Disabled
and reset the
setting.
Chapter 7
.
Advanced configuration
91
Summary of Contents for X240s
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