Appendix G BIOS rewrite procedures
Appendices
Appendix G
Appendix G BIOS rewrite procedures
This Appendix explains how to rewrite the system BIOS program when you update the
system BIOS.
Tools
To rewrite the BIOS, you need the following tool:
BIOS/EC/KBC rewriting disk for the computer that has renewed BIOS data.
Rewriting the BIOS
1.
Set the system to boot mode.
2.
Turn off the power to the computer.
3.
Remove the external cable and PC card.
4.
Connect an USB FDD and insert the BIOS/EC/KBC rewriting disk into the USB
FDD.
5.
Turn on the power while holding down the tilde character key until a beep sounds.
For example
(US Keyboard)
(UK Keyboard)
(There is the key at the left side of the
1
key in the UK key board.)
6.
The BIOS rewriting starts
7.
When the process is completed, it beeps and the system automatically reboots.
NOTE
:
1. Connect the AC adapter to the computer when you rewrite the BIOS.
2. Do not turn off the power while you are rewriting the BIOS. If the rewrite
fails, it might be impossible to start up the computer.
3 If you fail to rewrite BIOS, then when you next turn on the power, a message
may be displayed that the contents of the BIOS have been erased. In this
case, insert the BIOS rewriting disk and the BIOS will be rewritten.
PORTEGE R400 Maintenance Manual (960-623)
[CONFIDENTIAL]
G-1
Summary of Contents for Portege R400 Series
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Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
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Page 35: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
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Page 107: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
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Page 112: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 214: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
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Page 219: ...4 Replacement Procedures 4 vi CONFIDENTIAL PORTÉGÉ R400 Maintenance Manual 960 623 ...
Page 294: ... CONFIDENTIAL Appendices ...
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Page 321: ...Appendices Appendix B Board Layout B 12 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 359: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 369: ...Appendices Appendix I Reliability 2 CONFIDENTIAL PORTEGE R4000 Maintenance Manual 960 623 ...