Lenovo ThinkPad T420si User Manual page 182

Table 5. Config menu items (continued)
Beep and Alarm
Serial ATA (SATA)
166
User Guide
PCI Express Power
Management
Power On with AC Attach
Power Control Beep
Low Battery Alarm
Password Beep
Keyboard Beep
SATA Controller Mode
Option
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
• Enabled
• Disabled
• Compatibility
• AHCI
• RAID
Normally, it is not necessary
to change the setting.
Enable or disable a feature
that automatically adjusts
power management when
there is no PCI Express
activity. Normally, it is not
necessary to change the
setting.
Enable or disable a feature
that powers on the system
when AC is attached.
If you select "Enabled", the
system is powered on when
AC is attached. When the
system is in hibernate state,
the system resumes.
If you select "Disabled", the
system is not powered on
nor resumed when AC is
attached.
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.
Enable or disable the low
battery alarm.
Enable this option to have
a beep sound when the
system is waiting for a
power-on, hard disk, or
supervisor password.
Different beeps will be
sounded when the entered
password matches or does
not match the configured
password.
Enable or disable keyboard
beep when unmanageable
key combinations are
pressed.
Select SATA controller
operation mode. If your
system supports RAID,
select "RAID." If you select
"Compatibility mode",
serial SATA controller
operates in compatibility
mode.