xorg.conf修正

どうもあるモニターではFrame Buffered Dual Headが動かないので、
調べて調査した。CRT2HSync, CRT2VRefreshが必要らしい。

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Section "Device"
Identifier "ATI Radeon Mobility M6 8MB 0"
Driver "radeon"
BoardName "On board"
Screen 0
Option "BusType" "AGP"
Option "AGPMode" "4"
Option "AGPFastWrite" "1"
Option "Monitor Layout" "LVDS,CRT"
Option "DynamicClocks" "on"
Option "DPMS" "on"
Option "MergedFB" "on"
Option "CRT2Position" "RightOf"
Option "MetaModes" "1024x768-1600x1200 1024x768-1024x768 1024x768"
# "LCD SyncMaster 213T"
Option "CRT2HSync" "61.5-81.0"
Option "CRT2VRefresh" "59.0-76.0"
#
BusID "1:0:0"
EndSection

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