Display the DMA channel assignments:
FDD External | Internal  —
? DMA  —  —
 CPU Speed
Set the processor speed:
AC: Specifies CPU speed when the AC Adapter is connected.
DC: Specifies CPU speed when using battery power.
Note: If the AC or DC option is not specified, this command is
effective on the current power management mode set by
the PM commands.
SPeed Fixed | Auto MAX | Medium | Slow [AC | DC]
 Display Commands
Set the screen expansion:
Disable the screen blanking function, and the standby and
suspend timers:
Set the brightness control of the LCD:
Set where to display information:
HVEXPansion ON | OFf  —
PRESENtation Enable | Disable  —
BRightness High | Normal  —
SCreen LCD | CRT | BOTH  —
176 IBM ThinkPad 600E Online Book