HP RP7 Retail System Model 7100 Manual de usuario descargar pdf (Pagina 4)

Technical white paper | AHCI and RAID on HP rp7800, rp5810, and rp5800 Retail Systems

Software drivers

AHCI driver

In addition to setting the SATA emulation mode of AHCI or RAID in F10 Setup (See the BIOS interface section for more

information), an AHCI driver is required for AHCI support.

The Windows 7 image that ships with the HP rp7800, rp5810, and rp5800 Retail Systems has the Intel AHCI driver

(iastor.sys) pre-loaded. The system can be freely switched between IDE to AHCI.

Note

In order to reuse a hard drive from a RAID configuration in AHCI mode, it is necessary to remove RAID metadata from the

drive. This can be accomplished using low level system format or Option ROM interface.

For customers who do not use the pre-installed HP image, there are several scenarios for using AHCI:

New operating system installation

A fresh installation of Windows 7 or Windows 8, while in AHCI mode, is the most straightforward way of installing the AHCI

driver.

Windows 7 or Windows 8 have native AHCI support, so either the native AHCI driver will be used or the Intel AHCI driver can

be added.

An existing Windows 7 or Windows 8 image using the native AHCI driver can be updated to use the Intel AHCI driver

(iastora.sys). The driver can be downloaded from hp.com .

Enhancing existing Windows 7 images from IDE mode or native AHCI mode.

Windows 7 has a native AHCI driver. If Windows 7 was installed while in IDE mode, a registry change will allow users to

gracefully switch to AHCI mode using the Microsoft driver. See the Microsoft Knowledge Base Article at

http://support.microsoft.com/kb/922976/en-us . .

Corporate IT may be able to update an existing Window 7 image that was created in IDE mode to use the Intel AHCI driver.

The process requires inserting the Intel AHCI drivers into the image in a pre-installation environment using the appropriate

OS Tools.

Required software to insert the Intel AHCI driver:

• Windows Preinstallation Environment (WinPE) CD

• Windows OPK (OEM Preinstallation Kit) CD

• PKGMGR.EXE (Package Manager)

The OPK CD is not available for general download. It must be obtained through a Microsoft authorized distributor.

PKGMGR.EXE is a tool that installs, uninstalls, configures, and updates features and packages for Windows 7 or Windows 8.

For more information and instructions on OPK or PKGMGR.EXE, go to http://www.hp.com.

The process is as follows:

1. Boot into WinPE.

2. Run PKGMGR.EXE from OPK. A sample command line is as follows:

pkgmgr.exe /o:"C:\;C:\Windows" /n:"C:\AddAHCI\HP-AHCI.xml"

…where “C:\AddAHCI\HP-AHCI.xml” contains the following:

<?xml version="1.0" ?>

<unattend xmlns="urn:schemas-microsoft-com:asm.v3" xmlns:wcm="http://

schemas.microsoft.com/WMIConfig/2002/State">

<component name="Microsoft-Windows-PnpCustomizationsNonWinPE"

processorArchitecture="x86"

publicKeyToken="31bf3856ad364e35" language="neutral"

versionScope="nonSxS">

<Path>C:\AddAHCI</Path>

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HP RP7 Retail System Model 7100 Manual de usuario Pagina 4

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