Here is 4 drivers compatible with PCI\VEN_8086&DEV_29C4.
This is Device ID of Intel(R) Management Engine Interface.
Device or core chip manufacturer is Intel Corporation .
Hardware:Compaq dc5800 Base Model
Software name:Intel Active Client Manager HECI Device Driver
Version: Rev. A
File Size:1.77Mb (1859840 bytes)
Released:14 Dec 2009
System:Windows 2000Windows 7Windows 7 64-bitWindows VistaWindows Vista 64-bitWindows XP
Description:Intel Active Client Manager HECI Device Driver for HP Compaq dc5800 Base Model

Type: Driver - Chipset
This package contains the Intel Active Client Manager Host Embedded Controller Interface (HECI) device driver for the supported desktop models and operating systems.
Download HP Compaq dc5800 Base Model Intel Active Client Manager HECI Device Driver Rev. A
Software name:Desktop Utilities
File Size:13.37Mb (14017004 bytes)
Released:14 Jul 2012
System:Windows VistaWindows Vista 64-bitWindows XPWindows XP 64-bitWindows 7Windows 7 64-bit
Description:Desktop Utilities for INTEL D2500CC

Intel® Desktop Utilities is a system monitoring application that is essential for the system user who does not have the support of a large IT department. Intel Desktop Utilities provides you with the means to monitor system temperatures, voltages, fan speeds, and hard drive health; view detailed system information, and test your sy...
Download INTEL D2500CC Desktop Utilities driver
Manufacturer:ECS (Elitegroup)
Hardware:PX1 (V1.0B)
Software name:LAN Driver
File Size:12.99Mb (13617963 bytes)
Released:24 Apr 2007
System:Windows VistaWindows XPWindows XP 64-bitWindows 2000Windows Server 2003 64-bitWindows MEWindows 98 SEWindows 98
Description:Intel PRO/1000 Network Connections Software Download ECS (Elitegroup) PX1 (V1.0B) LAN Driver 12.1
Software name:Management Engine Driver
File Size:1.6Mb (1680196 bytes)
Released:09 Apr 2008
System:Windows VistaWindows Vista 64-bitWindows XPWindows XP 64-bitWindows XP Media Center
Description:Provides thermal management for Intel Desktop Boards. The Intel Management Engine Interface (Intel ME Interface) is the interface between the Intel Management Engine firmware and the host. Drivers and applications on the host that wish to interact with Intel Management Engine through host interface would use the Intel ME Interface host windows driver.Download INTEL DG33BU Management Engine Driver