Using Audio Features ........................ 51
Chapter 4. Using Battery Power ................. 53
Charging the Battery Pack ..................... 54
Charging with the AC Adapter .................. 54
Replacing the Battery Pack ..................... 55
Monitoring the Battery Status .................... 58
Using the Battery Status Indicator ............... 58
Using the Fuel-Gauge Program ................. 59
Preserving Battery-Pack Life .................... 60
Maximizing Battery-Powered Operation .............. 60
Using Advanced Power Management ............. 60
Decreasing LCD Brightness (TFT Model Only) ........ 63
Using the Battery Power-Management Function ....... 63
Chapter 5. Protecting Your Computer ............. 73
Using Passwords . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Power-On Password . . . . . . . . . . . . . . . . . . . . . . . 74
Hard Disk Password ....................... 78
Using the Personalization Feature ................. 82
Using Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Chapter 6. Installing and Removing Options ......... 85
Using the PC Card Slot ....................... 86
Installing a PC Card ....................... 86
Removing a PC Card ....................... 88
Increasing the Memory Capacity .................. 89
Installing or Removing the DIMM ................ 90
Attaching an External Numeric Keypad or a Mouse ....... 95
Using the Mouse and Other Pointing Devices ......... 96
Attaching an External Keyboard .................. 97
Chapter 7. Installing Software . . . . . . . . . . . . . . . . . . 99
What You Need for Your Computer ................ 101
Installing the Operating System and Device Drivers ....... 102
Accessing Remote Software Services ............. 103
Installing Software for Windows 95 ................ 104
Installing the CD-ROM Device Driver for Windows 95 .... 104
Installing the ThinkPad Features Program for Windows 95 . 106
Installing the PC Card Support Software for Windows 95 .. 106
xvi IBM ThinkPad 380 or 380D User's Guide