diff --git a/Source/HBIOS/ansi.asm b/Source/HBIOS/ansi.asm
index 1f2d5f8a..4b4612c1 100644
--- a/Source/HBIOS/ansi.asm
+++ b/Source/HBIOS/ansi.asm
@@ -280,6 +280,8 @@ ANSI_STSTR:	; STATE == STRING DATA
 ;==================================================================================================
 ;
 ANSI_C0DISP:
+	CP	$07		; BEL
+	JP	Z,ANSI_BEL
 	CP	$08		; BS: BACKSPACE
 	JP	Z,ANSI_BS
 	CP	$09		; HT: TAB
@@ -615,6 +617,9 @@ ANSI_FF:
 	CALL	ANSI_VDADISP	; PERFORM FILL
 	JP	ANSI_XY		; HOME CURSOR AND RETURN
 ;
+ANSI_BEL:
+	JP	SND_BEEP	; BEEP THE SPEAKER
+;
 ANSI_BS:
 	LD	A,(ANSI_COL)	; GET CURRENT COLUMN
 	DEC	A		; BACK IT UP BY ONE
diff --git a/Source/HBIOS/hbios.asm b/Source/HBIOS/hbios.asm
index 47cfe5bf..e729f5c2 100644
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -2827,42 +2827,7 @@ INITSYS4:
 #ENDIF
 ;
 #IFDEF TESTING
-;
-; ROUTINE TO BEEP THE DEAULT SOUND UNIT (NOT FINISHED)
-; NEED TO CHECK FOR EXISTENCE OF SOUND UNIT 0
-; NEED TO TEST AGAINST ALL SOUND DRIVERS
-; CAN SPEAKER DRIVER BE MODIFIED TO PLAY ARBITRARY DURATION?
-; WHICH CHANNEL SHOULD BE USED?  IS THERE A GOOD DEFAULT CHANNEL?
-;
-SNDUNIT	.EQU	0
-;
-HB_BEEP:
-	LD	B,$50			; SOUND RESET FUNCTION
-	LD	C,SNDUNIT		; SOUND UNIT NUMBER
-	CALL	SND_DISPATCH		; DO IT
-	LD	B,$51			; VOLUME
-	LD	C,SNDUNIT		; SOUND UNIT NUMBER
-	LD	L,$FF			; MAX
-	CALL	SND_DISPATCH		; DO IT
-	LD	B,$53			; SELECT NOTE
-	LD	C,SNDUNIT		; SOUND UNIT NUMBER
-	;LD	HL,0			; A0#
-	LD	HL,200			; C4
-	CALL	SND_DISPATCH		; DO IT
-	;LD	B,$56			; DURATION
-	;LD	C,SNDUNIT		; SOUND UNIT NUMBER
-	;LD	HL,500			; 1/2 SECOND
-	;CALL	SND_DISPATCH		; DO IT
-	LD	B,$54			; PLAY SOUND
-	LD	C,SNDUNIT		; SOUND UNIT NUMBER
-	LD	D,1			; CHANNEL 0
-	CALL	SND_DISPATCH		; DO IT
-	LD	DE,15625		; PLAY FOR 1/4 SECOND
-	CALL	VDELAY
-	LD	B,$50			; SOUND RESET FUNCTION
-	LD	C,SNDUNIT		; SOUND UNIT NUMBER
-	CALL	SND_DISPATCH		; DO IT
-;
+	CALL	SND_BEEP
 #ENDIF
 ;
 #IFNDEF ROMBOOT
@@ -3749,7 +3714,7 @@ SND_ADDENT:
 ;	WORD	UNIT SPECIFIC DATA (TYPICALLY A DEVICE INSTANCE DATA ADDRESS)
 ;
 SND_FNCNT	.EQU	8		; NUMBER OF SND FUNCS (FOR RANGE CHECK)
-SND_MAX		.EQU	4		; UP TO 3 UNITS
+SND_MAX		.EQU	4		; UP TO 4 UNITS
 SND_SIZ		.EQU	SND_MAX * 4	; EACH ENTRY IS 4 BYTES
 ;
 		.DB	SND_FNCNT	; SND FUNCTION COUNT (FOR RANGE CHECK)
@@ -3758,6 +3723,49 @@ SND_CNT		.DB	0		; ENTRY COUNT PREFIX
 SND_TBL		.FILL	SND_SIZ,0	; SPACE FOR ENTRIES
 ;
 ;==================================================================================================
+;   SPEAKER BEEP ROUTINE
+;==================================================================================================
+;
+; ROUTINE TO BEEP THE DEAULT SOUND UNIT
+; NEED TO CHECK FOR EXISTENCE OF SOUND UNIT
+; WHICH CHANNEL SHOULD BE USED?  IS THERE A GOOD DEFAULT CHANNEL?
+;
+SND_BEEP:
+	; CHECK FOR AT LEAST 1 SOUND DEVICE
+	LD	A,(SND_CNT)		; GET SOUND UNIT COUNT
+	OR	A			; CHECK FOR ZERO
+	RET	Z			; BAIL OUT IF NO SOUND UNITS
+	
+	; PLAY A BEEP ON SOUND DEVICE UNIT 0
+	LD	B,$50			; SOUND RESET FUNCTION
+	LD	C,0			; SOUND UNIT NUMBER
+	CALL	SND_DISPATCH		; DO IT
+	LD	B,$51			; VOLUME
+	LD	C,0			; SOUND UNIT NUMBER
+	LD	L,$FF			; MAX
+	CALL	SND_DISPATCH		; DO IT
+	LD	B,$53			; SELECT NOTE
+	LD	C,0			; SOUND UNIT NUMBER
+	;LD	HL,0			; A0#
+	LD	HL,244			; B5 (CLOSE TO 1 KHZ)
+	CALL	SND_DISPATCH		; DO IT
+	;LD	B,$56			; DURATION
+	;LD	C,0			; SOUND UNIT NUMBER
+	;LD	HL,500			; 1/2 SECOND
+	;CALL	SND_DISPATCH		; DO IT
+	LD	B,$54			; PLAY SOUND
+	LD	C,0			; SOUND UNIT NUMBER
+	LD	D,0			; CHANNEL 0
+	CALL	SND_DISPATCH		; DO IT
+	LD	DE,15625		; PLAY FOR 1/4 SECOND
+	CALL	VDELAY			; WAIT WHILE TONE IS PLAYED
+	;CALL	LDELAY			; LET SOUND PLAY 1/2 SECOND
+	LD	B,$50			; SOUND RESET FUNCTION
+	LD	C,0			; SOUND UNIT NUMBER
+	CALL	SND_DISPATCH		; DO IT
+	RET				; DONE
+;
+;==================================================================================================
 ;   SYSTEM FUNCTION DISPATCHER
 ;==================================================================================================
 ;
diff --git a/Source/HBIOS/sn76489.asm b/Source/HBIOS/sn76489.asm
index 60cb1ca8..b05bba74 100644
--- a/Source/HBIOS/sn76489.asm
+++ b/Source/HBIOS/sn76489.asm
@@ -409,58 +409,57 @@ SNT_PLAY		.DB	"\r\nSN7_PLAY CH: $"
 SNT_REGWR		.DB	"\r\nOUT SN76489, $"
 #ENDIF
 
-; THE FREQUENCY BY QUARTER TONE STARTING AT A0# OCTAVE 0
+; THE FREQUENCY BY QUARTER TONE STARTING AT A0#
 ; USED TO MAP EACH OCTAVE (DIV BY 2 TO JUMP AN OCTAVE UP)
-; FIRST PLAYABLE NOTE WILL BE $2E
-; ASSUMING A CLOCK OF 1843200 THIS MAPS TO
-; 2 QUATER TONES BELOW A1#, WITH A1# AT $30
+; ASSUMING A CLOCK OF 3575950 HZ, THE FIRST PLAYABLE
+; NOTE WILL BE A2 (HBIOS NOTE CODE 92).
 
 SN7NOTETBL:
-	.DW	SN7RATIO / 2913
-	.DW	SN7RATIO / 2956
-	.DW	SN7RATIO / 2999
-	.DW	SN7RATIO / 3042
-	.DW	SN7RATIO / 3086
-	.DW	SN7RATIO / 3131
-	.DW	SN7RATIO / 3177
-	.DW	SN7RATIO / 3223
-	.DW	SN7RATIO / 3270
-	.DW	SN7RATIO / 3318
-	.DW	SN7RATIO / 3366
-	.DW	SN7RATIO / 3415
-	.DW	SN7RATIO / 3464
-	.DW	SN7RATIO / 3515
-	.DW	SN7RATIO / 3566
-	.DW	SN7RATIO / 3618
-	.DW	SN7RATIO / 3670
-	.DW	SN7RATIO / 3724
-	.DW	SN7RATIO / 3778
-	.DW	SN7RATIO / 3833
-	.DW	SN7RATIO / 3889
-	.DW	SN7RATIO / 3945
-	.DW	SN7RATIO / 4003
-	.DW	SN7RATIO / 4061
-	.DW	SN7RATIO / 4120
-	.DW	SN7RATIO / 4180
-	.DW	SN7RATIO / 4241
-	.DW	SN7RATIO / 4302
-	.DW	SN7RATIO / 4365
-	.DW	SN7RATIO / 4428
-	.DW	SN7RATIO / 4493
-	.DW	SN7RATIO / 4558
-	.DW	SN7RATIO / 4624
-	.DW	SN7RATIO / 4692
-	.DW	SN7RATIO / 4760
-	.DW	SN7RATIO / 4829
-	.DW	SN7RATIO / 4899
-	.DW	SN7RATIO / 4971
-	.DW	SN7RATIO / 5043
-	.DW	SN7RATIO / 5116
-	.DW	SN7RATIO / 5191
-	.DW	SN7RATIO / 5266
-	.DW	SN7RATIO / 5343
-	.DW	SN7RATIO / 5421
-	.DW	SN7RATIO / 5499
-	.DW	SN7RATIO / 5579
-	.DW	SN7RATIO / 5661
-	.DW	SN7RATIO / 5743
+	.DW	SN7RATIO / 2913		; A0#/B0b
+	.DW	SN7RATIO / 2956         ;
+	.DW	SN7RATIO / 2999         ;
+	.DW	SN7RATIO / 3042         ;
+	.DW	SN7RATIO / 3086         ; B0
+	.DW	SN7RATIO / 3131         ; 
+	.DW	SN7RATIO / 3177         ; 
+	.DW	SN7RATIO / 3223         ; 
+	.DW	SN7RATIO / 3270         ; C1
+	.DW	SN7RATIO / 3318         ; 
+	.DW	SN7RATIO / 3366         ; 
+	.DW	SN7RATIO / 3415         ; 
+	.DW	SN7RATIO / 3464         ; C1#/D1b
+	.DW	SN7RATIO / 3515         ; 
+	.DW	SN7RATIO / 3566         ; 
+	.DW	SN7RATIO / 3618         ; 
+	.DW	SN7RATIO / 3670         ; D1
+	.DW	SN7RATIO / 3724         ; 
+	.DW	SN7RATIO / 3778         ; 
+	.DW	SN7RATIO / 3833         ; 
+	.DW	SN7RATIO / 3889         ; D1#/E1b
+	.DW	SN7RATIO / 3945         ; 
+	.DW	SN7RATIO / 4003         ; 
+	.DW	SN7RATIO / 4061         ; 
+	.DW	SN7RATIO / 4120         ; E1
+	.DW	SN7RATIO / 4180         ; 
+	.DW	SN7RATIO / 4241         ; 
+	.DW	SN7RATIO / 4302         ; 
+	.DW	SN7RATIO / 4365         ; F1
+	.DW	SN7RATIO / 4428         ; 
+	.DW	SN7RATIO / 4493         ; 
+	.DW	SN7RATIO / 4558         ; 
+	.DW	SN7RATIO / 4624         ; F1#/G1b
+	.DW	SN7RATIO / 4692         ; 
+	.DW	SN7RATIO / 4760         ; 
+	.DW	SN7RATIO / 4829         ; 
+	.DW	SN7RATIO / 4899         ; G1
+	.DW	SN7RATIO / 4971         ; 
+	.DW	SN7RATIO / 5043         ; 
+	.DW	SN7RATIO / 5116         ; 
+	.DW	SN7RATIO / 5191         ; G1#/A1b
+	.DW	SN7RATIO / 5266         ; 
+	.DW	SN7RATIO / 5343         ; 
+	.DW	SN7RATIO / 5421         ; 
+	.DW	SN7RATIO / 5499         ; A1
+	.DW	SN7RATIO / 5579         ; 
+	.DW	SN7RATIO / 5661         ; 
+	.DW	SN7RATIO / 5743         ; 
diff --git a/Source/HBIOS/tty.asm b/Source/HBIOS/tty.asm
index 8571af88..5c78e0e6 100644
--- a/Source/HBIOS/tty.asm
+++ b/Source/HBIOS/tty.asm
@@ -131,6 +131,8 @@ TTY_DEVICE:
 ;
 TTY_DOCHAR:
 	LD	A,E		; CHARACTER TO PROCESS
+	CP	7		; BEL
+	JP	Z,SND_BEEP
 	CP	8		; BACKSPACE
 	JR	Z,TTY_BS
 	CP	12		; FORMFEED
diff --git a/Source/ver.inc b/Source/ver.inc
index 9124b396..f92228a4 100644
--- a/Source/ver.inc
+++ b/Source/ver.inc
@@ -2,4 +2,4 @@
 #DEFINE	RMN	1
 #DEFINE	RUP	1
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"3.1.1-pre.176"
+#DEFINE BIOSVER	"3.1.1-pre.177"
diff --git a/Source/ver.lib b/Source/ver.lib
index 817ec6ea..e720a560 100644
--- a/Source/ver.lib
+++ b/Source/ver.lib
@@ -3,5 +3,5 @@ rmn	equ	1
 rup	equ	1
 rtp	equ	0
 biosver	macro
-	db	"3.1.1-pre.176"
+	db	"3.1.1-pre.177"
 	endm