Lenovo ThinkPad T430 (English) User Guide - Page 140

Menu item, Value, Comments, Disabled, Enabled, UEFI BIOS, Update Option, Memory, Protection - bios update utility

Page 140 highlights

Table 6. Security menu items (continued) Menu item Submenu item Physical Presence for Provisioning UEFI BIOS Update Option Physical Presence for Clear Flash BIOS Updating by End-Users Value • Disabled • Enabled • Disabled • Enabled • 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 I/O Port Access Ethernet LAN Wireless LAN WiMAX Wireless WAN Bluetooth USB Port ExpressCard Slot Ultrabay (HDD/Optical) • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled Comments This option enables or disables the confirmation message when you change 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, you can flash to the previous version of UEFI BIOS. If you select Enabled, you can not flash to the previous version of UEFI BIOS. Some computer viruses and worms cause memory buffers to overflow by running code where only data is allowed. If the Data Execution Prevention feature can be used with your operating system, then by selecting Enabled you can protect your computer against attacks by such viruses and worms. If after choosing Enabled you find that an application program does not run correctly, 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. If you select Enabled, you can use the Ethernet LAN device. If you select Enabled, you can use the Wireless LAN device. If you select Enabled, you can use the WiMAX device. If you select Enabled, you can use the Wireless WAN device. If you select Enabled, you can use Bluetooth devices. If you select Enabled, you can use USB connectors. If you select Enabled, you can use the ExpressCard slot. If you select Enabled, you can use Ultrabay Enhanced devices. 122 User Guide

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Table 6. Security menu items (continued)
Menu item
Submenu item
Value
Comments
Physical Presence for
Provisioning
Disabled
Enabled
This option enables or disables the confirmation
message when you change 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
, you can flash to the
previous version of UEFI BIOS. If you select
Enabled
, you can not flash to the previous
version of UEFI BIOS.
Memory
Protection
Execution Prevention
Disabled
Enabled
Some computer viruses and worms cause
memory buffers to overflow by running code
where only data is allowed. If the Data Execution
Prevention feature can be used with your
operating system, then by selecting
Enabled
you can protect your computer against attacks
by such viruses and worms. If after choosing
Enabled
you find that an application program
does not run correctly, 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.
Ethernet LAN
Disabled
Enabled
If you select
Enabled
, you can use the Ethernet
LAN device.
Wireless LAN
Disabled
Enabled
If you select
Enabled
, you can use the Wireless
LAN device.
WiMAX
Disabled
Enabled
If you select
Enabled
, you can use the WiMAX
device.
Wireless WAN
Disabled
Enabled
If you select
Enabled
, you can use the Wireless
WAN device.
Bluetooth
Disabled
Enabled
If you select
Enabled
, you can use Bluetooth
devices.
USB Port
Disabled
Enabled
If you select
Enabled
, you can use USB
connectors.
ExpressCard Slot
Disabled
Enabled
If you select
Enabled
, you can use the
ExpressCard slot.
Ultrabay (HDD/Optical)
Disabled
Enabled
If you select
Enabled
, you can use Ultrabay
Enhanced devices.
I/O Port Access
122
User Guide