Lenovo ThinkPad Edge E330 User Manual page 102

Table 4. Config menu items (continued)
Menu item
Power
Beep and Alarm
Serial ATA (SATA)
88
User Guide
Submenu item
®
Intel SpeedStep
technology
CPU Power Management
PCI Express Power
management
Password Beep
Keyboard Beep
SATA Controller Mode
Option
Selection
• Disabled
• Enabled
Mode for AC
• Maximum Performance
• Battery Optimized
Mode for Battery
• Maximum Performance
• Battery Optimized
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
• Compatibility
• AHCI
Comments
Select the mode of Intel
SpeedStep technology at
runtime.
• Maximum
Performance: Always
highest speed
• Battery Optimized:
Always lowest speed
• Disabled: No runtime
support, lowest speed
Note: This sub-menu is not
supported in models with
an AMD CPU.
Unless this power-saving
feature is disabled, it
stops the processor clock
automatically when there
is no system activity. You
usually do not need to
change this function.
Enables or disables a
feature that automatically
adjusts power management
when there is no PCI
Express activity. You
usually do not need to
change this function.
With this option enabled,
you will hear a beep sound
when you are prompt to
enter a power-on, hard disk,
or supervisor password.
The beep sounds will be
different when you have
entered the correct and
incorrect passwords.
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.