unknow device in Asus MoBo

unknown device under system in device manager.
under propeties of that device:
on Intel(R) 82801GB/GR (ICH7 Family) LPC Interface Controller - 27B8
MoBo: Asus p5kpl-se
http://support.asus.com/Download.aspx?SLanguage=en&m=P5KPL+SE&p=1&s=22
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Solución al Error "Dispositivo desconocido" en controladores Placa base ASUS (válido para varios modelos)
Parece ser que en Administrador de dispositivos aparece un "dispositivo desconocido" el cual no aparece como descarga de driver en la página web oficial de la marca Asus. Este dispositivo no es otro que ACPI donde en este caso concreto instala el driver de en Intel(R) ICH7 Family LPC Interface Controller - 27B8. Estos drivers se descargan en la web del fabricante pero en la sección UTILIDADES y aparece como "ACPI driver for ATK 0110 virtual device version 1043.2.15.37 for Windows 2000 / XP (32bit and 64bit) / 2003 (32bit & 64bit) / VISTA (32bit & 64bit)".
Despues de instalarlo simplemente hay que reiniciar el equipo y listo.
tecnicambalandia.blogspot.com/2012/11/unknow-device-cant-update
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Unknown Device appearing
do a google search for ATK0110..
i had the same problem in Vista, but the Vista auto-search update found it..
i believe it has to do with the ASUS Ai Booster Utility

http://www.overclockers.com/forums/showthread.php?t=498480
The driver that is missing is for the ATK0110 ACPI UTILITY, to install this driver you need to either dowload and install the driver for the ATK0110 ACPI UTILITY or install Asus Probe II, Asus AI Booster or insert your motherboard support CD in to the ROM drive, if you insert your motherboard support CD the driver should be installed automatically, dowload links below.

ATK0110 ACPI UTILITY

ASUS PC Probe II

ASUS AI Booster
 
http://vip.asus.com/forum/view.aspx?model=P5QL-E&page=1&SLanguage=en-us
http://drivers.downloadatoz.com/39653,257578/ 
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http://www.driveridentifier.com/scan/download.php?item_id=84898162&scanid=&hardware_id=PCI\VEN_8086%26DEV_27B8
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Vista_All_OS_Intel_INF_MB.zip

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 Clear your cmos. Take off the battery put the jumper to 2&3 for 10mins
Do a chipset Inf update...  Read through this information..

• http://downloadcenter.intel.com/filter_results.aspx?strTypes=all&ProductID=816&OSFullName=Windows*+XP+Home+Edition&lang=eng&strOSs=45&submit=Go%21
• http://www.intel.com/support/chipsets/inf/sb/CS-009272.htm

http://vip.asus.com/forum/topic.aspx?board_id=1&model=P5KPL+SE&SLanguage=en-us 
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http://downloadcenter.intel.com/confirm.as...lName=&lang=eng
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http://de.drvdatabaseac.org/directoryd1.html
http://www.realtek.com.tw/downloads/
High Definition Audio Codecs (Software)
AC'97 Audio Codecs (Software)