I also registered for the forum to say thanks T11230, and with your help make the IDT audio
drivers work for the Intel DP965LT:
In the [Vista] folder of the decompressed
driver ( I used AUD_allOS_D20001.0x_PV_IDTGUI_v105_Legacy.exe), look for a file "Stwrt.ini", then edit as T11230 instructions: delete [&subsys_######] but leave the "=" and next characters, example: HDAUDIO\FUNC_01&VEN_8384&DEV_7680=I3.INI.
Then reset the PC
AND reconfigure your audio settings because in the first boot you are not going to get any sound (don't panic).