Lenovo ThinkPad T41 Manual
Hard drive active protection system white paper
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Also See for ThinkPad T41:
- Setup manual (6 pages) ,
- Upute za postav (2 pages) ,
- Istruzioni sull’installazione (2 pages)
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Table of Contents
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Summary of Contents for Lenovo ThinkPad T41
- Page 1 IBM Active Protection System Whitepaper...
- Page 2 First Edition (October 2003) © Copyright International Business Machines Corporation 2003. All rights reserved. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
- Page 3 IBM Hard Drive Active Protection System ® The IBM Hard Drive Active Protection System helps to protect your hard disk ® drive when the shock sensor inside your ThinkPad computer is enabled and detects some situations that could potentially cause damage to your hard disk drive.
- Page 4 Head unloading for increased hard disk drive shock tolerance As a result of extensive testing with the computer lid both open and closed, IBM has found that in typical drop accidents either from the knee or a desk to a concrete floor, the internal hard disk drive is protected by the durable ThinkPad shell so that the received shock level to the hard disk drive generally does not exceed 800G or 800 times the force of gravity.
- Page 5 the ThinkPad computer is used on a plane or train and repetitive vibration is expected. Figure 1. IBM Hard Drive Active Protection System Properties Application function overview The APS software monitors the accelerometer sensor information and displays the sensor status in the system task tray. The following four states of system status are illustrated using the system tray icon: Shock sensor is disabled.
- Page 6 Figure 3. v Shock sensor is enabled and the head of the primary hard disk drive is unloaded due to shock condition. In this state, the computer has detected the shock condition and the head of the primary hard disk drive is unloaded to protect the hard disk drive from physical damage.
- Page 7 Figure 6. IBM Hard Drive Active Protection System Properties Description of active protection system options You can use the following list of options to customize the active protection system. Each of these options is available on the properties dialog box. v Enable hard drive active protection system checkbox: If this checkbox is selected, the IBM Hard Drive Active Protection System is enabled.
- Page 8 Show hard drive active protection icon on the system tray checkbox: If the checkbox is selected, the icon showing the status of the shock sensor is displayed in the system tray. The active protection system is enabled by default whenever the computer is operating. It is automatically disabled while the computer is: –...
- Page 9 Appendix. Notices IBM may not offer the products, services, or features discussed in this document in all countries. Consult your local IBM representative for information on the products and services currently available in your area. Any reference to an IBM product, program, or service is not intended to state or imply that only that IBM product, program, or service may be used.
- Page 10 Trademarks The following terms are trademarks of International Business Machines Corporation in the United States, other countries, or both: ThinkPad ® Microsoft, Windows, and Windows NT are trademarks of Microsoft Corporation in the United States, other countries, or both. Other company, product, or service names may be trademarks or service marks of others.