Installing Windows XP on an HP Pavillion 6602EI


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May 9, 2008
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Okay, so I've got Windows XP up and running on my girlfriends HP Pavillion dv6602ei Laptop. To be perfectly honest it really wasn’t that much of a mission.
Except for one important step, which I’ll point out later. This is not mean to be a “step by step” guide, but merely an outline how I solved this problem - in as much detail as possible.

The fact that we picked this laptop up for R 5999 at Incredible Corruption means a lot more people are going to want to know how to do this:

1. Find out what we are dealing with

I booted up the Laptop for the first time and did the whole “Vista Recovery Disc” mission, just to be safe. I then used this program to see exactly what hardware is in this thing:

It puts the results into Internet Explorer which I would recommend saving, for comparison with the XP installation.

Some of my results (I have the the Intel Dual Core, and _not_ the AMD/nVidia combination):
Intel(R) 82801HEM/HBM SATA AHCI Controller
Intel(R) ICH8M Ultra ATA Storage Controllers - 2850

Mobile Intel(R) 965 Express Chipset Family [Display adapter] (2x)
Generic PnP Monitor (15.4"vis)

Realtek High Definition Audio

Motorola SM56 Data Fax Modem
Broadcom 802.11b/g WLAN
Realtek RTL8101 Family PCI-E Fast Ethernet NIC (NDIS 6.0)


Now we know exactly what drivers to download :)

2. Loading XP
So HP are bastards (duh), and as was previously mentioned on this website enjoy throwing poo. Anyway they locked down the bios so you can’t disable the ATA to install XP.

For those of us without floppy drives, I followed this guide to add the SATA drivers into a custom XP installation in a process called slipstreaming:

I used these SATA floppy drivers, we’ll need more stuff from here later, so lets just call it the “Intel site”:!#DRV

For those of you who want to dual boot with vista (I didn’t), this looks usefull:

3. Driver Time
If you want to double check your Intel Chipsets, this tool is really handy:!

Anyways, I installed my drivers in this order.

Intel Chipset Installation Utility for ICH8 for Microsoft Windows 2000 and XP v8.3.1.1009

RAID/AHCI Software - Intel® Matrix Storage Manager v7.8.0.1012:
“Intel Site”

Microsoft iSCSI Software Initiator Version 2.06 (Not sure exactly what this one is for, but the hardware tool said I had it before, so why not?)

Intel® Graphics Media Accelerator Driver for WindowsXP v14.33.1
“Intel Site”

REALTEK High Definition Audio Driver 1.91

Motorola Modem:

Realtek RTL8100/RTL8101/RTL8111/RTL8168 Driver 6.68.0412.2007 WHQL:

Broadcom Wireless Network:

DVD-RW - LiteScribe Host Software v1.10.13.1

4. Home Stretch
So if you’ve got this far, you will see there is still one error in device manager.

“Unknown Device: in Intel ICH8M LPC Interface Controller - 2815”

Now maybe because I can still remember those Windows 95 days when an error in device manager was a really big deal, these things really bother me. After much Googling, I discovered that the way to solve this is to install the “HP Quick Launch Buttons”.

So that’s it, the only discrepancy between the two is that the DVD drive doesn’t seem to be running in ATA mode – no biggy.

Good luck, hope this helps!

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