The manual is divided into the following parts:
Chapter 1 Hardware Overview describes the QOSMIO G20 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
❑ Display codes
❑ Key layout
❑ Wiring diagrams
❑ BIOS Rewrite procedures
❑ EC/KBC Rewrite procedures
❑ Reliability
❑ Maintenance of TOSHIBA RAID
iv [CONFIDENTIAL] QOSMIO G20 Maintenance Manual (960-511)