Acer Aspire XC600 Service Manual page 20

Miscellaneous submenu
Field Description
AHCI Port 0-2 Your computer supports three SATA channels, each channel allows one SATA device to
be installed. Press Enter to display the individual configuration screen of installed SATA
drive(s).
Spread Spectrum Enable or Disable mainboard spread spectrum clocking.
Processor Displays the current system processor multiplier value.
Multiplier
Bootup Num- If you set this item to On, the keyboard Num Lock key will be active
Lock when the computer boots up.
USB Beep Select whether to allow the BIOS to emit error beeps or display error
Message messages during USB device enumeration.
12
Value
Enabled
Disabled
On
Off
Enabled
Disabled
Aspire XC600 Service Guide