Lenovo ThinkPad L530 (English) User Guide - Page 132

Menu item, Selection, Comments, Enabled, Disabled, UEFI BIOS Update Option, Memory Protection

Page 132 highlights

Table 5. Security menu items (continued) Menu item Submenu item Selection Physical Presence for Clear • Disabled • Enabled UEFI BIOS Update Option Flash BIOS Updating by End-Users • Disabled • Enabled Secure RollBack Prevention • Disabled • Enabled Memory Protection Execution Prevention • Disabled • Enabled Virtualization Intel Virtualization Technology • Disabled • Enabled Intel VT-d Feature • Disabled • Enabled Comments the settings of the security chip. This option enables or disables the confirmation message when you clear the security chip. 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. If you select Disabled, end-user can flash older version of the UEFI BIOS. If you select Enabled, end-user can not flash older version of the UEFI BIOS. Use the Data Execution Prevention feature to protect your computer against attacks from viruses and worms by selecting Enabled. If you find that the application program does not run correctly after choosing Enabled select Disabled and reset the setting. If you select Enabled, a Virtual Machine Monitor (VMM) can utilize the additional hardware capabilities provided by Intel Virtualization Technology. Intel VT-d is Intel Virtualization Technology for Directed I/O. When enabled, a VMM can utilize the platform infrastructure for I/O virtualization. 114 User Guide

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Table 5. Security menu items (continued)
Menu item
Submenu item
Selection
Comments
the settings of the 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
,
end-user can flash older
version of the UEFI BIOS.
If you select
Enabled
,
end-user can not flash older
version of the UEFI BIOS.
Memory Protection
Execution Prevention
Disabled
Enabled
Use the Data Execution
Prevention feature to
protect your computer
against attacks from viruses
and worms by selecting
Enabled
. If you find that
the application program
does not run correctly after
choosing
Enabled
select
Disabled
and reset the
setting.
Intel Virtualization
Technology
Disabled
Enabled
If you select
Enabled
,a
Virtual Machine Monitor
(VMM) can utilize the
additional hardware
capabilities provided
by Intel Virtualization
Technology.
Virtualization
Intel VT-d Feature
Disabled
Enabled
Intel VT-d is Intel
Virtualization Technology
for Directed I/O. When
enabled, a VMM can utilize
the platform infrastructure
for I/O virtualization.
114
User Guide