Dell Latitude CPx J - Manual (Page 137)

Infrared Mode
Infrared Mode sets the data transfer rates of the infrared transmitter in the system or the dock.
NOTE: Before you enable infrared support, you must enable the Infrared Data Port option by
selecting a COM setting (COM3 is recommended). You must also set the Infrared Mode option to
either Fast IR or Slow IR.
Keyboard Click
Keyboard Click lets you choose whether the built-in keyboard makes audible clicking sounds. The Click
Volume option must be enabled for this option to function. The volume of the simulated key clicks is
controlled by the setting in the Click Volume option.
Settings for this option are Disabled (the default) and Enabled.
A change to the Keyboard Click option takes effect immediately (rebooting is not required).
Level 2 Cache
Level 2 Cache tells you how much cache memory your computer has. No user-selectable settings are
available for this option.
Modular Bay
Modular Bay identifies the kind of device—Diskette Drive, Battery, HDD (hard-disk drive—indicates the
drive's size), LS-120, DVD-ROM, CD-ROM, or CD-RW Drive—that is installed in the modular bay. If the
modular bay does not contain a device or if a travel bay is installed, this option reads Not Installed. No user-
selectable settings are available for this option.
Microprocessor
Microprocessor displays the type and speed of the microprocessor installed on your computer's system
board. No user-selectable settings are available for this option.
Num Lock
Num Lock determines if the system boots with the Num Lock enabled or disabled when an external
keyboard is attached.
Settings for this options are
Disabled (the default)
Enabled.