Downgrade Elite 8100 Minitower to Windows XP

You need to load the SATA ACHI drivers for the machine at the F6 prompt that comes up at the beginning of the Windows XP installation.

Below are the drivers. You probably don’t have floppy drives on the PC’s so just put these drivers on a USB flash drive and point the installation program to them when prompted to do so.

http://downloadcenter.intel.com/Detail_Desc.aspx?a​gr=Y&DwnldID=18860&lang=eng

The other alternative you have is to go into your BIOS and change  the setting of your disk controller in the storage options menu from ACHI to IDE. Then you can load XP without installing the ACHI drivers beforehand.

See Chapter 3, page 12 of the maintenance guide below for where to find the BIOS settings:

http://bizsupport2.austin.hp.com/bc/docs/support/S​upportManual/c02000715/c02000715.pdf

Once XP is installed you can then load the above drivers manually by following the instructions beginning on page 12 of this document. It is for notebooks but there would be no difference in the procedure for desktops.

http://bizsupport1.austin.hp.com/bc/docs/support/S​upportManual/c01600726/c01600726.pdf

(see compied text below)

Ignore the reference to the setup folder because I gave you the drivers above. Just download them and put them in a folder you name and browse to that folder to install the drivers.

 Before installing the ACHI drivers you will need to install the chipset driver first. You would want to do that anyway before installing any other drivers regardless.

http://h20000.www2.hp.com/bizsupport/TechSupport/S​oftwareDescription.jsp?lang=en&cc=us&prodTypeId=1…

After you get the ACHI drivers loaded you can go back into your BIOS and select the ACHI option again for better disk performance.

Source: http://h30499.www3.hp.com/t5/Business-PCs-Deskpro-EVO/Downgrade-Elite-8100-Minitower-to-Windows-XP/m-p/2327451

Steps to modify a Windows XP image to support SATA Native Mode

1) Enter F10 Setup, and go to System Configuration/Device Configurations/SATA Native Mode

to Disable.

2) Install Windows XP Service Pack 2 in whatever manner is typical for your organization.

3) Download and save the “Intel Matrix Storage Manager” softpaq that is available for your

platform at http://www.hp.com.

4) Unpack all the files from the SoftPaq. Unpacking a Softpaq file uses this command line:

  • • Sp#####.exe -e -f<path> -s
  • • Where

o SP####.exe is the Softpaq to unpack.

o -e is a run time switch that overrides installation of the component inside the

softpaq.

o -f<Path> is a run time switch that overrides the default path set at build time.

o -s instructs the package to unpack in silent mode skipping the welcome,

license and directory screens.

  • • Example: C:\tmp\sp99999.exe -e -fc:\sp99999 -s
  • • This will unpack the files needed to c:\sp99999.

5) Browse to the location of the Intel storage drivers on your system. Using the example above

that would be c:\sp99999\Winall\Driver (for XP32) or c:\sp99999\Winall\Driver64 (for

XP64). Copy the files in that directory to removable media (i.e. floppy disk, usbkey).

a. iaahci.cat

b. iaahci.inf

c. iastor.cat

d. iastor.inf

e. iastor.sys

Page 13

f. txtsetup.oem

a.

6) Download and run the “Intel Chipset Installation Utility for ICH9 for Microsoft Windows 2000

and XP” for your models from http://www.hp.com.

7) In Device Manager, right-click the IDE ATA/ATAPI controllers/Intel ® ICH9M Serial ATA

Storage Controller and select ‘Update Driver’. If more than one Intel ICH9M Serial ATA

Storage Controller is listed this process only needs to be done once.

8) Follow these steps to complete the Hardware Update Wizard:

a. At the first dialog, select ‘No, not this time’ when prompted to connect to Windows

Update.

b. At the next dialog, select ‘Install from a list or specific location (Advanced).

c. At the next dialog, select ‘Don’t search. I will choose the driver to install’.

d. When prompted to select the device driver you want to install for this hardware,

choose the first one in the list: Intel® ICH9M Serial ATA Storage Controller.

e. When prompted to insert the manufacturer’s installation disk, select “Have Disk” and

when prompted, browse to the location of the “Intel Matrix Storage Manager” files

extracted from the softpaq on your removable media.

f. Select iaAHCI.inf and click Open, then OK.

g. When prompted to select the device driver you want to install for this hardware,

select the Intel® ICH9M-E/M SATA AHCI Controller.

h. A warning that Windows cannot verify that the device is compatible with your

hardware will appear. When asked if you want to continue installing the driver,

select Yes, then Finish.

i. The installation will complete.

9) Shut down Windows and restart the computer. Enter F10 setup when prompted during the

boot.

10) Go to System Configuration/Device Configurations/SATA Native Mode and change it to

Enable, then save settings and exit F10 Setup.

11) After Windows restarts, the additional SATA components will be updated. A System Settings

Change will appear. When asked “Do you want to restart your computer now?” click Yes.

12) When Windows restarts, the SATA AHCI drivers will be completely installed.

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One thought on “Downgrade Elite 8100 Minitower to Windows XP

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