Toshiba Libretto 50CT/70CT Manual
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Libretto 50CT/70CT Maintenance ManualE-1Appendix E Appendix EWiring Diagrams E.1Parallel Port Wraparound ConnectorFigure E-1 Parallel port wraparound connector E.2Serial Port Wraparound ConnectorFigure E-2 Serial port wraparound connector
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Appendix E Wiring DiagramsE-2Libretto 50CT/70CT Maintenance ManualE.3Serial Port Direct Cable (9-Pin to 9-Pin)Figure E-3 Serial port direct cable (9-pin to 9-pin) E.4Serial Port Direct Cable (9-Pin to 25-Pin)Figure E-4 Serial port direct cable (9-pin to 25-pin)
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Libretto 50CT/70CT Maintenance ManualF-1Appendix F Appendix FBIOS 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...
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Appendix F BIOS Rewrite ProceduresF-2Libretto 50CT/70CT Maintenance Manual
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Libretto 50CT/70CT Maintenance ManualG-1Appendix G Appendix GReliability The following table shows Mean Time Between Failures (MTBF) for each component. Table G-1 MTBF ComponentTime (hours)LCD50,000Keyboard37,000HDD300,000FDD (option)30,000AccuPoint37,000FL Inverter50,000AC Power Unit50,000
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Appendix G ReliabilityG-2Libretto 50CT/70CT Maintenance Manual