xiv5 Travel and Maintenance5.1 Traveling with the Notebook.................................................................. 5-15.2 Caring for the System ........................................................................... 5-35.2.1 System Hardware ..................................................................... 5-35.2.2 AC Adapter............................................................................... 5-35.2.3 Battery Pack ............................................................................. 5-35.2.4 Diskettes................................................................................... 5-45.2.5 Cleaning and Servicing............................................................. 5-56 Troubleshooting6.1 A Checklist............................................................................................ 6-16.2 Error Messages ..................................................................................... 6-4A SpecificationsB Hard Disk TypesC Address and Interrupt TablesC.1 System Memory Map ........................................................................... C-1C.2 I/O Address Map .................................................................................. C-2C.3 Interrupt Levels .................................................................................... C-3C.4 DMA Channels ..................................................................................... C-4