diff --git a/Source/HBIOS/Config/SCZ180_sc140.asm b/Source/HBIOS/Config/SCZ180_sc140.asm
index 335f5fdb..512abcdf 100644
--- a/Source/HBIOS/Config/SCZ180_sc140.asm
+++ b/Source/HBIOS/Config/SCZ180_sc140.asm
@@ -34,8 +34,10 @@ Z180_CLKDIV	.SET	1		; Z180: CHK DIV: 0=OSC/2, 1=OSC, 2=OSC*2
 Z180_MEMWAIT	.SET	0		; Z180: MEMORY WAIT STATES (0-3)
 Z180_IOWAIT	.SET	1		; Z180: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
 ;
-FPLED_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL LEDS
-FPSW_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL SWITCHES
+FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPLED_IO	.SET	$A0		; FP: PORT ADDRESS FOR FP LEDS
+FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+FPSW_IO		.SET	$A0		; FP: PORT ADDRESS FOR FP SWITCHES
 ;
 LEDENABLE	.SET	TRUE		; ENABLE STATUS LED (SINGLE LED)
 ;
diff --git a/Source/HBIOS/Config/SCZ180_sc503.asm b/Source/HBIOS/Config/SCZ180_sc503.asm
index cda904d7..5546f30a 100644
--- a/Source/HBIOS/Config/SCZ180_sc503.asm
+++ b/Source/HBIOS/Config/SCZ180_sc503.asm
@@ -35,7 +35,9 @@ Z180_MEMWAIT	.SET	0		; Z180: MEMORY WAIT STATES (0-3)
 Z180_IOWAIT	.SET	1		; Z180: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
 ;
 FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPLED_IO	.SET	$A0		; FP: PORT ADDRESS FOR FP LEDS
 FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+FPSW_IO		.SET	$A0		; FP: PORT ADDRESS FOR FP SWITCHES
 ;
 LEDENABLE	.SET	TRUE		; ENABLE STATUS LED (SINGLE LED)
 ;