Driver package needed for windows prior to appling an update sbp2up.exe
SoundBlaster Pro 2 Windows v3.1 and DOS Driver Updates. If you have not already installed SB Pro drivers into Windows 3.1 and DOS, you must first download and install the drivers from the files SBP2WU.EXE and SBP2DU.EXE, also located in this file area. For the SBPro 2 CT-1600 only!
Please refer to the README.TXT file in this archive prior to installation. UPD-STD-02 (Revision 4)