The term “new” in your search likely means a clean, high-resolution, non-scanned PDF (not a blurry 2003-era photocopy). Unfortunately, MSI no longer hosts this manual on its official website because the board is from the LGA775 era (circa 2008–2010). However, you can obtain a fresh copy via three reliable methods:
1 x SATA cable
This is the most common reason people look for a manual. If you need to connect the power button, reset button, and LEDs: msi ms 7529 ver 16 motherboard manual new