My PC has IBM 8213ac7 model motherboard and I recently installed Windows 7 sp1 which sound max driver version should I install for audio because I tried sound max integrated driver for Windows 7 32 bit but not supporting.
Looks like an M52 model by the part number 8213, check here https://pcsupport.lenovo.com/us/en/products/desktops-and-all-in-ones/thinkcentre-m-series-desktops/thinkcentre-m52/downloads?linkTrack=Caps:Body_BrowseProduct&searchType=0&keyWordSearch=
Looks like an M52 model by the part number 8213, check here https://pcsupport.lenovo.com/us/en/products/desktops-and-all-in-ones/thinkcentre-m-series-desktops/thinkcentre-m52/downloads?linkTrack=Caps:Body_BrowseProduct&searchType=0&keyWordSearch=