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iv PORTEGE R100 Maintenance Manual (960-440)
The manual is divided into the following parts:
Chapter 1 Hardware Overview describes the PORTEGE R100 system unit and
each FRU.
Chapter 2 Troubleshooting Procedures explains how to diagnose and resolve
FRU problems.
Chapter 3 Test and Diagnostics describes how to perform test and diagnostic
operations for maintenance service.
Chapter 4 Replacement Procedures describes the removal and replacement of the
FRUs.
Appendices The appendices describe the following:
❑ Handling the LCD module
❑ Board layout
❑ Pin assignment
❑ Keyboard scan/character codes
❑ Key layout
❑ Wiring diagrams
❑ BIOS/KBC/EC Update
❑ Reliability
❑ Key FD