Compaq 6535s HP Business Notebook Computer EFI Guidelines - White paper
Compaq 6535s - Notebook PC Manual
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- Compaq 6535s | HP Business Notebook Computer EFI Guidelines - White paper - Page 1
and descriptions ...4 How BIOS launches EFI applications...4 For HP-signed EFI applications ...4 Non-HP-signed EFI applications ...5 User launch and boot options ...5 Additional BIOS policies for the EFI environment 5 Creating or restoring an EFI partition on the hard drive 6 EFI partition errors - Compaq 6535s | HP Business Notebook Computer EFI Guidelines - White paper - Page 2
is viewable on the hard drive and is labeled as HP_TOOLS. On 2008 commercial notebook platforms with the EFI BIOS, HP created the EFI partition as a FAT32 primary partition, due to EFI limitations with accessing other partition formats. Total EFI partition size is 1 GB. For more information - Compaq 6535s | HP Business Notebook Computer EFI Guidelines - White paper - Page 3
the platform. Later, as HP releases BIOS updates, two HP BIOS flash utilities (HPQFlash and SSM flash) automatically update the partition with the most current version of the BIOS. Note that the current version of the eROMPAQ flash utility does not support this function. Launching EFI applications - Compaq 6535s | HP Business Notebook Computer EFI Guidelines - White paper - Page 4
reside on the public hard drive partition which is easily accessible and therefore insecure, BIOS launches only EFI applications signed by HP. Caution To reduce security vulnerability, execute only HP-signed EFI applications. For HP-signed EFI applications All HP EFI applications contain two - Compaq 6535s | HP Business Notebook Computer EFI Guidelines - White paper - Page 5
screen on your computer: 1. Select the custom logo image you want to use, and then use imaging software to convert the image to a bitmap (.bmp) and modify image size logo displays on the boot screen. HP QuickLook Enable/Disable Default: Enabled The EFI BIOS provides this policy to control the - Compaq 6535s | HP Business Notebook Computer EFI Guidelines - White paper - Page 6
the following folders: - QuickLook - SystemDiags - BIOS 4. In the BIOS folder, create a Current subfolder 5. Download the EFI SoftPaqs for QuickLook, System Diagnostics, and BIOS to the operating system partition. SoftPaqs are available from http://www.hp.com/support. 6. Verify that the Softpaqs run - Compaq 6535s | HP Business Notebook Computer EFI Guidelines - White paper - Page 7
Page Web address http://www.hp.com/go/techcenter http://www.hp.com/support http://www.intel.com/technology/efi/ © 2008 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in
Introduction
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2
EFI applications and tools
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2
Applications accessible during startup
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2
BIOS Recovery
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3
Launching EFI applications
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3
EFI and custom imaging
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3
EFI architecture
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4
Volume name
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4
Directories and descriptions
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4
How BIOS launches EFI applications
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4
For HP-signed EFI applications
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4
Non–HP-signed EFI applications
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5
User launch and boot options
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5
Additional BIOS policies for the EFI environment
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5
Creating or restoring an EFI partition on the hard drive
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6
EFI partition errors
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6
For more information
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7
HP Business Notebook Computer
EFI Guidelines
Subtitle