: CtrScreen 옵션은 원하시는 바와 반대의 경우에 붙여야 하는 옵션 같습니다.
:
: 5.7  Option ``crt_screen''
:
: This specification is only effective when the driver detects that the
: adapter's BIOS has initialised both the digital flat panel and CRT inter-
: faces.  In such a situation, the driver will normally drive both the panel
: and the CRT.  This specification causes the driver to disable the digital
: flat panel and display the screen image on the CRT instead.
:
: 일반적으로 바이오스에서 둘 다 제대로 인식했다면 DVI 포트와 일반 CRT 포트로 같은 화면
: 을 내보낸다는군요. 근데 DVI는 끄고 CRT로만 내보내고 싶은 경우 이 옵션을 붙여야 한다는
:  말 같습니다.
: 덧글: 저도 관심이 있었던 문제라 여기저기 좀 찾아보고 있습니다. 해결 방법이 있겠죠. :
: )
:
: : 제 말 뜻은, lspci 결과 중에서 아래와 같은게 있죠?
: :
: :
: : 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon 7500 QW (prog-if 00 [VGA])
: : 	Subsystem: ATI Technologies Inc Radeon 7500
: : 	Flags: bus master, stepping, 66Mhz, medium devsel, latency 32, IRQ 10
: : 	Memory at d8000000 (32-bit, prefetchable) [size=128M]
: : 	I/O ports at 9000 [size=256]
: : 	Memory at e1000000 (32-bit, non-prefetchable) [size=64K]
: : 	Expansion ROM at <unassigned> [disabled] [size=128K]
: : 	Capabilities: [58] AGP version 2.0
: : 	Capabilities: [50] Power Management version 2
: :
: :
: : Radeon의 PCI ID가 1:0:0 입니다. 혹시 이런게 두 개가 나오지 않을까 하는 것이었는데, 한 개
: :  밖에 나오지 않네요. --; 일단 아래와 같이 수정한 후에 다시 실행해 보세요. "CrtScreen"을
: :  주석처리해야 되는 경우도 있다고 나오는군요. 근데 이 문제도 아닌 것 같습니다. --;
: :
: : # XFree86 4.2.0 configuration generated by Xconfigurator 4.10.7
: :
: : Section "ServerLayout"
: : 	Identifier "XFree86 Configured"
: : 	Screen      0  "Screen0" 0 0
: : 	InputDevice    "Mouse0" "CorePointer"
: : 	InputDevice    "Keyboard0" "CoreKeyboard"
: : EndSection
: :
: : # Red Hat Linux 6.0 and later use the xfs font server for improved
: : # interactive performance
: :
: : Section "Files"
: : 	FontPath "unix/:7100"
: : EndSection
: :
: : # Module loading section
: :
: : Section "Module"
: : 	Load  "dbe"		# Double-buffering
: : 	Load  "GLcore"		# OpenGL support
: : 	Load  "dri"		# Direct rendering infrastructure
: : 	Load  "glx"		# OpenGL X protocol interface
: : 	Load  "extmod"		# Misc. required extensions
: : 	Load  "v4l"		# Video4Linux
: : 	# Load  "record"	# X event recorder
: : 	# You only need the following two modules if you do not use xfs.
: : 	# Load  "freetype"	 # TrueType font handler
: : 	# Load  "type1"		# Adobe Type 1 font handler
: : EndSection
: :
: : Section "InputDevice"
: : 	Identifier  "Keyboard0"
: : 	Driver      "keyboard"
: : 	Option      "XkbLayout"	"us"
: : EndSection
: :
: : Section "InputDevice"
: : 	Identifier  "Mouse0"
: : 	Driver      "mouse"
: : 	Option      "Device" "/dev/mouse"
: : 	Option      "Protocol" "PS/2"
: : 	Option      "Emulate3Buttons" "on"
: : 	Option      "ZAxisMapping" "4 5"
: : EndSection
: :
: : Section "Monitor"
: : 	Identifier "CustomConfiguration"
: : 	VendorName "Unknown"
: : 	ModelName  "Unknown"
: : 	HorizSync 31-81
: : 	VertRefresh 56-85
: : 	Option "dpms"
: : EndSection
: :
: : Section "Device"
: : 	Identifier "ATI Radeon 7500"
: : 	Driver "radeon"
: : 	BoardName "Unknown"
: : 	BusID "PCI:1:00:0"
: : # Some 7500 boards aparently need this option enabled to work - bug (#62760)
: : 	Option "CrtScreen"
: : EndSection
: :
: : Section "Screen"
: : 	Identifier "Screen0"
: : 	Device "ATI Radeon 7500"
: : 	Monitor "CustomConfiguration"
: : 	DefaultDepth 16
: : 	Subsection "Display"
: : 		Depth 16
: : 		Modes "1280x1024"
: : 	EndSubSection
: : EndSection
: :
: : Section "DRI"
: : 	Mode 0666
: : EndSection