Lenovo ThinkPad Edge E425 (English) User Guide - Page 120

Menu item, Selection, Comments, Enabled, Disabled, Beep and Alarm, Serial ATA SATA, Password

Page 120 highlights

Table 4. Config menu items (continued) Menu item Submenu item Beep and Alarm Power Control Beep Selection • Disabled • Enabled Serial ATA (SATA) Low Battery Alarm Password Beep • Disabled • Enabled • Disabled • Enabled Keyboard Beep SATA Controller Mode Option • Enabled • Disabled • Compatibility • AHCI Security menu items Table 5. Security menu items Menu item Submenu item Password Selection UEFI BIOS Update Option Flash BIOS Updating by End-Users • Disabled • Enabled Memory Protection Execution Prevention • Disabled • Enabled 102 User Guide Comments If this function is enabled, a beep sounds when the computer enters a power management mode, when it resumes operational mode, and when the ac power adapter is connected or disconnected. Enables or disables the low battery alarm. If you enable this function, a beep sounds when a password prompt is displayed, and again if you type a wrong password. Enables or disables keyboard beep when unmanageable key combinations are pressed. Selects SATA controller operation mode. If you select "Compatibility mode," SATA controller operates in compatibility mode. Comments Refer to "Security menu" on page 97 and "Using passwords" on page 53. 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. 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

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Table 4. Config menu items (continued)
Menu item
Submenu item
Selection
Comments
Power Control Beep
Disabled
Enabled
If this function is enabled,
a beep sounds when the
computer enters a power
management mode, when it
resumes operational mode,
and when the ac power
adapter is connected or
disconnected.
Low Battery Alarm
Disabled
Enabled
Enables or disables the low
battery alarm.
Password Beep
Disabled
Enabled
If you enable this function,
a beep sounds when
a password prompt is
displayed, and again if you
type a wrong password.
Beep and Alarm
Keyboard Beep
Enabled
Disabled
Enables or disables
keyboard beep when
unmanageable key
combinations are pressed.
Serial ATA (SATA)
SATA Controller Mode
Option
Compatibility
AHCI
Selects SATA controller
operation mode. If you
select “Compatibility
mode,” SATA controller
operates in compatibility
mode.
Security menu items
Table 5. Security menu items
Menu item
Submenu item
Selection
Comments
Password
Refer to “Security menu”
on page 97 and “Using
passwords” on page 53.
UEFI BIOS Update Option
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.
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
102
User Guide