 
Subject: the Internal speaker
 
  The following will turn off the internal speaker.  I do it in my
AUTOEXEC.BAT I haven't found any programs that turn it back on
including basic.  This does also disallow use of cassette port.
 
A>debug
-n jrquiet.com
-rcx
:000E
-a
xxxx:0100  push ds
xxxx:0101  mov ax,0000
xxxx:0104  push ax
xxxx:0105  in al,61
xxxx:0107  or ax,0010
xxxx:010A  out 61,al
xxxx:010C  int 20
xxxx:010E  (enter)
-w
-q
A>
 
