diff --git a/Source/Apps/Tune/Tune.asm b/Source/Apps/Tune/Tune.asm
index d5266232..085b1454 100644
--- a/Source/Apps/Tune/Tune.asm
+++ b/Source/Apps/Tune/Tune.asm
@@ -562,12 +562,18 @@ CFGTBL:	;	PLT	RSEL	RDAT	RIN	Z180	ACR
 ;
 	.DB	$07,	$D8,	$D0,	$D8,	$FF,	$FF	; RCZ80 W/ RC SOUND MODULE (EB)
 	.DW	HWSTR_RCEB
+;
+	.DB	$07,	$A0,	$A1,	$A2,	$FF,	$FF	; RCZ80 W/ RC SOUND MODULE (EB Rev 6)
+	.DW	HWSTR_RCEB
 ;
 	.DB	$07,	$D1,	$D0,	$D0,	$FF,	$FF	; RCZ80 W/ RC SOUND MODULE (MF)
 	.DW	HWSTR_RCMF
 ;
 	.DB	$08,	$68,	$60,	$68,	$C0,	$FF	; RCZ180 W/ RC SOUND MODULE (EB)
 	.DW	HWSTR_RCEB
+;
+	.DB	$08,	$A0,	$A1,	$A2,	$C0,	$FF	; RCZ180 W/ RC SOUND MODULE (EB Rev 6)
+	.DW	HWSTR_RCEB
 ;
 	.DB	$08,	$61,	$60,	$60,	$C0,	$FF	; RCZ180 W/ RC SOUND MODULE (MF)
 	.DW	HWSTR_RCMF
diff --git a/Source/HBIOS/ay38910.asm b/Source/HBIOS/ay38910.asm
index 4a10196a..ebc80cc7 100644
--- a/Source/HBIOS/ay38910.asm
+++ b/Source/HBIOS/ay38910.asm
@@ -36,6 +36,12 @@ AY_RDAT		.EQU	$60
 AY_RIN		.EQU	AY_RSEL+AY_RCSND
 #ENDIF
 ;
+#IF (AYMODE == AYMODE_RC_REV6)
+AY_RSEL		.EQU	$A0
+AY_RDAT		.EQU	$A1
+AY_RIN		.EQU	$A2
+#ENDIF
+;
 ;======================================================================
 ;
 ;	REGISTERS
diff --git a/Source/HBIOS/std.asm b/Source/HBIOS/std.asm
index 7510c6a0..0a03ecf1 100644
--- a/Source/HBIOS/std.asm
+++ b/Source/HBIOS/std.asm
@@ -185,6 +185,7 @@ AYMODE_N8	.EQU	1		; N8 BUILT-IN SOUND
 AYMODE_SCG	.EQU	2		; SCG ECB BOARD
 AYMODE_RCZ80	.EQU	3		; RC2014 SOUND MODULE BY ED BRINDLEY ON Z80
 AYMODE_RCZ180	.EQU	4		; RC2014 SOUND MODULE BY ED BRINDLEY ON Z180
+AYMODE_RC_REV6	.EQU	5		; RC2014 SOUND MODULE REV6 BY ED BRINDLEY ON Z80/Z180
 ;
 ; TMS VIDEO MODE SELECTIONS
 ;