Power DOS.  June 1995.  Walnut Creek CDROM.
Sound Blaster MCV files
path: \sound\c_labs\mcv\ 
-------------------------------------------
Name           Size      Date    Description
============ ========  ========  ==========
sbmdu.zip       10677  11-02-93  Updated DOS Drivers for SB MCV v1.0
sbmwu.zip       25380  03-25-94  Updated Windows 3.1 drivers for SB MCV
sbpmdu.zip      13909  11-02-93  Updated DOS Drivers for SBPro MCV v1.0
sbpmwu.zip      68395  03-25-94  Updated Windows 3.1 drivers for SBPro MCV