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Apx. G EC/KBC Rewrite Procedures Appendices
Satellite M40/M45 TECRA A4 dynabook VX/4 Maintenance Manual G-1
Appendix H
Appendix G EC/KBC Rewrite Procedures
This Appendix explains how to rewrite the EC/KBC system program when you update the
EC/KBC system.
Tools
To rewrite the EC/KBC, you need the following tool:
? BIOS/EC/KBC rewriting disk for the computer
Rewriting the EC/KBC
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 external FDD and insert the BIOS/EC/KBC rewriting disk into either the
external FDD.
5. Turn on the power while holding down the [
`
~
] key. (Keep holding down the key until a
message appears on the screen.) The EC/KBC rewriting starts.
6. When the EC/KBC rewrite is completed, the system is automatically turned off.