Syntax Rule
 | Select one of the options on either side of the
vertical bar ( | ).
Highlighted Enter the exact highlighted letters in either
uppercase or lowercase.
UPPERCASE Enter any value within the specified range for
the following:
  XX: 0–20
  HH: 0–23
  MM: 0–59
  SS: 0–59
Note: The MM (minutes) and SS (seconds)
parameters are optional. The default
values are 0.
lowercase Command elements in lowercase are optional.
For example, entering PS2 SE OF and PS2
SErial OFf gives the same results.
 PS2 Commands
The following is a list of commonly used PS2 commands. The
descriptions have the following format:
Description of the command
  —Or—
Parameter1 Parameter2 Parameter3
Parameter1 Parameter2 Parameter3 Parameter4
Alarm (Sound) Command
Set the computer to beep in certain conditions:
BEEP ON | OFf Alarm | System | Warn
174 IBM ThinkPad 600E Online Book