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Appendix F
Appendix F
BIOS Rewrite Procedures
This Appendix explains how to rewrite the system BIOS program to update the BIOS on the
Libretto 50CT/70CT/70CT.
Tools
To rewrite the BIOS, you need the following tool:
q Diagnostics disk for the computer
Rewriting the BIOS
1. Set the system to boot mode.
2. Turn the power off.
3. Remove the external cable and any optional memory or PC card.
4. Turn the power on while holding the F12 key down. (Keep holding the key down until
the system speaker sounds a beep.)
5. When the BIOS message displays, insert the diagnostics disk into the FDD, then press
Enter to start the BIOS rewrite program.
6. When the process is completed, eject the diagnostics disk and press the reset switch to
restart the system.
Libretto 50CT/70CT Maintenance Manual
F-1
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