Technical Support Note
====================== 

Reference TSN No.	:	NA

Product(s) involve	:	All Sound Blaster cards

Third party product(s)	:	DR DOS 5.0 / DR DOS 6.0


Subject
-------
"BLASTER" environment string not found (or similar messages) when booting 
up or running Sound Blaster programs or application.

Description
-----------
User may encounter the above mentioned problem when booting up the system 
or attempting to execute any Sound Blaster application using DR DOS 5.00 or 
DR DOS 6.00.  For example, SBP-SET or SBCONFIG /S command.  This 
problem persists even though the BLASTER environment is displayed by typing 
the SET command at the DOS prompt.  The cause of this problem is because 
some drivers/TSRs/programs are being loaded into high or upper memory block 
using the HILOAD command before the Sound Blaster SET environment and 
programs.  This prevents the Sound Blaster programs from accessing the 
environment settings.

Solution/Action
---------------
This problem can be solved by any of the following solutions:

a.	Move all the Sound Blaster SET environment and programs (eg. SBP-
	SET.EXE or SBCONFIG.EXE /S) to the top of AUTOEXEC.BAT before 
	any other programs.

b.	Do not HILOAD any TSR/driver/program before executing the Sound 
	Blaster SET environment and programs (eg. HILOAD TSR/driver/program 
	only after the Sound Blaster SET environment and programs).

c.	Insert a "MEMMAX -U" command to disable access to Upper Memory 
	before executing the Sound Blaster SET environment and programs.


12th January, 1994
Issue No: TSN94004
Technical Services Department, Creative Technology Ltd