diff --git a/Source/HBIOS/Config/RC_std.asm b/Source/HBIOS/Config/RC_std.asm
index e69ee541..3247ad42 100644
--- a/Source/HBIOS/Config/RC_std.asm
+++ b/Source/HBIOS/Config/RC_std.asm
@@ -8,9 +8,9 @@
 CPUOSC		.SET	7372800		; CPU OSC FREQ
 DEFSERCFG	.SET	SER_115200_8N1	; DEFAULT SERIAL LINE CONFIG (SHOULD MATCH ABOVE)
 ;
-SIOENABLE	.SET	TRUE		; TRUE FOR ZILOG SIO/2 
-SIOMODE		.SET	SIOMODE_RC	; SIOMODE_RC, SIOMODE_SMB
-ACIAENABLE	.SET	TRUE		; TRUE FOR MOTOROLA 6850 ACIA SUPPORT
+SIOENABLE	.SET	TRUE		; TRUE TO AUTO-DETECT ZILOG SIO/2 
+SIOMODE		.SET	SIOMODE_RC	; TYPE OF SIO/2 TO DETECT: SIOMODE_RC, SIOMODE_SMB
+ACIAENABLE	.SET	TRUE		; TRUE TO AUTO-DETECT MOTOROLA 6850 ACIA
 ;
-IDEENABLE	.SET	TRUE		; TRUE FOR IDE DEVICE SUPPORT
-PPIDEENABLE	.SET	TRUE		; TRUE FOR PPIDE DEVICE SUPPORT
+IDEENABLE	.SET	TRUE		; TRUE FOR IDE DEVICE SUPPORT (CF MODULE)
+PPIDEENABLE	.SET	FALSE		; TRUE FOR PPIDE DEVICE SUPPORT (PPIDE MODULE)