Power DOS.  June 1995.  Walnut Creek CDROM.
Sound Blaster files
path: \sound\c_labs\sb\ 
-------------------------------------------
Name           Size      Date    Description
============ ========  ========  ==========
fmorg.zip       29579  03-15-94  Updated FM Organ for fast 486's
sb15du.zip      10675  11-02-93  Updated DOS Drivers for SB 1.5 (v1.0)
sb15wu.zip      40318  03-25-94  Windows 3.1 drivers for SB 1.5
sb20du.zip      10695  11-02-93  Updated DOS Drivers for SB 2.0 (v1.0) (OLD)
sb2up.zip      607442  01-13-95  SB2.0 Win&DOS Drivers (see sb20wu.zip)
                               | UPD-STD-02 Rev 2a
testsb.zip      31018  05-13-92  Fixed test-sbc.exe for 486/50's