Appendix H
Appendix H EC/KBC Rewrite Procedures
This Appendix explains how to rewrite the EC/KBC system program when you update the
EC/KBC system.
It is necessary to rewrite the EC/KBC system program when the following changes are made.
1. Replacing of system board
2. Replacing of LCD
Tools
To rewrite the EC/KBC, you need the following tool:
EC/KBC rewriting disk for the computer
Rewriting the EC/KBC
NOTE:
1. Rewrite the EC/KBS only when instructed by a diagnostic disk release
notice.
2. Connect the AC adaptor to the computer when you rewrite the EC/KBC.
3. Do not turn off the power while you are rewriting the EC/KBC.
If the rewrite fails, it might be impossible to start up the computer.
4. If you fail to rewrite EC/KBC, then when you next turn on the power, a
message may be displayed that the contents of the EC/KBC have been
erased. In this case, insert the EC/KBC rewriting disk, and the EC/KBC
will be rewritten.
5. Normally it takes about 30 seconds to rewrite the EC/KBC. It may take 3
minutes (maximum), depending on the conditions of the computer or ICs.
The computer is not hung up. Allow sufficient time. Never reboot or turn
off the power to the computer before the rewriting is completed.
1.
Set the system to boot mode.
2.
Turn off the power to the computer.
3.
Remove the external cables and cards.
QOSMIO G20 Maintenance Manual (960-511) [CONFIDENTIAL]
H-1
Summary of Contents for QOSMIO G20 Series
Page 10: ...x CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 11: ...Chapter 1 Hardware Overview CONFIDENTIAL ...
Page 12: ...1 Hardware Overview 1 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 38: ...1 9 AC Adapter 1 Hardware Overview 1 24 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 39: ...Chapter 2 Troubleshooting Procedures CONFIDENTIAL ...
Page 40: ...2 2 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 44: ...2 vi CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 113: ...Chapter 3 Tests and Diagnostics CONFIDENTIAL ...
Page 114: ...3 Tests and Diagnostics 3 3 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 223: ...3 Tests and Diagnostics 3 32 SETUP QOSMIO G20 Maintenance Manual 960 511 CONFIDENTIAL 3 105 ...
Page 236: ...3 32 SETUP 3 Tests and Diagnostics 3 118 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 237: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Page 238: ...4 Replacement Procedures 4 4 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 331: ...Appendices CONFIDENTIAL ...
Page 332: ...App ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 347: ...Appendix A Handling the LCD Module A 6 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 354: ...Appendix B Board Layout B 4 SD board QOSMIO G20 Maintenance Manual 960 511 CONFIDENTIAL B 7 ...
Page 412: ...Appendix G BIOS Rewrite Procedures G 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 416: ...Appendix I Reliability I 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...