I've just installed Windows XP SP3 on a 2011 HP Pavilion g7-1338dx laptop (with Sandy Bridge chipset). I've slipstreamed the SATA drivers into a XP SP2 installation image, installed, upgraded to SP3, and installed all updates from Microsoft. I've gotten drivers for almost all of the hardware installed by downloading HP's official Windows 7 drivers for this laptop which also happen to contain XP drivers. So far, everything that I need works except for sound. There are two items in Device Manager with yellow question marks. The first is "Audio Device on High Definition Audio Bus" (Vendor ID: 8086, Device ID: 2805), and the second is "SM Bus Controller" (Vendor ID: 8086, Device ID 1C22). The audio driver from HP installs without any error, but I still don't have sound, and the device manager still shows a yellow question mark. I think the SMBus controller is something that allows the OS to control fan speeds, monitor temperatures, etc. I can live without that, but I'd really like to install a driver for it if at all possible. Any ideas on how to get this to install?
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