The purpose of this document is to provide general information regarding nonvolatile memory in the industry-standards based HP Business Notebook PC systems listed below and provide general instructions for restoring nonvolatile memory that can contain personal data after the system has been powered off and the hard drive has been removed.
HP ProBook Models
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HP ProBook Models
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HP EliteBook Models
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HP ProBook 4440s
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HP ProBook 6475b
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HP EliteBook 2170p
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HP ProBook 4441s
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HP ProBook 6570b
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HP EliteBook 2570p
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HP ProBook 4340s
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HP ProBook 6470b
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HP EliteBook 8570p
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HP ProBook 4341s
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HP ProBook 4740s
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HP EliteBook 8470p
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HP ProBook 4545s
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HP ProBook 4540s
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HP EliteBook 8470w
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HP ProBook 4445s
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HP EliteBook 8570w
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HP ProBook 4446s
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HP EliteBook 8770w
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HP Business Notebook PC products that use Intel®-based or AMD®-based motherboards contain volatile DDR memory. The amount of nonvolatile memory present in the system depends upon the system configuration. Intel-based and AMD-based system boards contain nonvolatile memory subcomponents as originally shipped from HP assuming that no subsequent modifications have been made to the system and assuming that no applications, features, or functionality have been added to or installed on the system.
Following system shutdown and removal of all power sources from an HP Business Notebook PC system, personal data can remain on volatile system memory (DIMMs) for a finite period of time and will also remain in nonvolatile memory. The steps below will remove personal data from the notebook PC, including the nonvolatile memory found in Intel-based and AMD-based system boards. Some of these steps are disclosed in the Maintenance & Service Guides available for HP PC products available on the product support pages at www.hp.com.