xii2.4 Power Management .............................................................................. 2-62.4.1 Display Standby Mode .............................................................. 2-62.4.2 Fixed Disk Standby Mode ......................................................... 2-72.4.3 Suspend Mode.......................................................................... 2-72.4.4 System Standby Mode.............................................................. 2-92.5 Advanced Power Management (APM)................................................. 2-112.6 Battery-low Warning............................................................................ 2-153 Hardware Options3.1 Additional Memory ................................................................................ 3-23.2 Hard Disk Drive Upgrade ...................................................................... 3-43.3 External Keyboard or Keypad................................................................ 3-63.4 External Monitor.................................................................................... 3-73.5 Printer ................................................................................................... 3-73.6 External Mouse ..................................................................................... 3-83.7 CPU Upgrade........................................................................................ 3-93.8 Audio Devices (Optional) .................................................................... 3-124 Setup4.1 When to Use Setup ............................................................................... 4-14.2 Entering Setup ...................................................................................... 4-24.3 Basic System Configuration .................................................................. 4-44.3.1 Date and Time.......................................................................... 4-54.3.2 Floppy Disk Drives.................................................................... 4-5