diff --git a/Source/HBIOS/Config/NABU_std.asm b/Source/HBIOS/Config/NABU_std.asm
index d7e556be..8731dc6a 100644
--- a/Source/HBIOS/Config/NABU_std.asm
+++ b/Source/HBIOS/Config/NABU_std.asm
@@ -26,9 +26,7 @@
 ;
 #include "cfg_nabu.asm"
 ;
-CPUOSC		.SET	3580000		; CPU OSC FREQ IN MHZ
-;
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 ;
 TMSMODE		.SET	TMSMODE_NABU80	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|MSX|MSX9958|MSXKBD|COLECO|DUO|NABU40|NABU80]
 
diff --git a/Source/HBIOS/cfg_nabu.asm b/Source/HBIOS/cfg_nabu.asm
index f5af6ede..786d7390 100644
--- a/Source/HBIOS/cfg_nabu.asm
+++ b/Source/HBIOS/cfg_nabu.asm
@@ -95,7 +95,7 @@ H8PENABLE	.EQU	FALSE		; ENABLES HEATH H8 FRONT PANEL
 ;
 BOOTCON		.EQU	0		; BOOT CONSOLE DEVICE
 SECCON		.EQU	$FF		; SECONDARY CONSOLE DEVICE
-CRTACT		.EQU	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+CRTACT		.EQU	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU		.EQU	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
 VDAEMU_SERKBD	.EQU	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ANSITRACE	.EQU	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)