Regarding the driver posted, you might encountered this error message:
1x
Unknown Device - ACPI\IFX0102\1
6x
USB Device - USB\ROOT_HUB\4&136F95F9&0
USB Device - USB\ROOT_HUB\4&CB99714&0
There are 3 flavours of this machine:
SFF, MT and Ultra Slim
MT XP drivers:
http://tinyurl.com/yhqzwm
SFF XP :
http://tinyurl.com/3bgcl9
Ultra SLim XP:
http://tinyurl.com/34pn98
Make sure you have all of them loaded...
This is another important driver for your PC too:
http://tinyurl.com/26pge9
The unknown device was a security driver
HP ProtectTools Embedded Security Module 1.2 located here:
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareIndex.jsp?lang=en&cc=us&prodNameId=3232108&prodTypeId=12454&prodSeriesId=3232029&swLang=13&taskId=135&swEnvOID=1093#7887
if the above driver didn't work you may try the driver below:
Intel Q965 Express chipset
Your drivers can be located here:
http://downloadfinder.intel.com/scripts-df-external/filter_results.aspx?strTypes=all&ProductID=2529&OSFullName=Windows*+XP+Professional&lang=eng&strOSs=44&submit=Go%21
or,
http://tinyurl.com/yvt2kl
or
http://tinyurl.com/34batf
or
http://tinyurl.com/2a395b
inform me the progress
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