Q: J[lÅnOµÄ¢é Power Macintosh G4 (Mirrored Drive Doors) ãÅ[gfobMOðÀs·éKvª èÜ·B±ÌRs
[^ÉÍvO}ÌXCb`ªÈ¢ÌÅ·ªAǤµ½ç±ÌVXeÉ[gÌ GDB ZbV©çڱūé̵天H AF Mac OS X 10.1.2 ©çAOpen Firmware ÌfobOtOÌ DB_NMI rbgªÝè³êÄ¢éóÔÅ Mac OS X ðJn·éÆAVXeÌd¹{^ª³ê½Æ«ÉAVXeðX[vóÔɵ½èAX[vóÔ©çA³¹½è·éãíèÉA}XNsÂ\èÝ (NMI) ª¶µÜ·B±Ì@\ÍA¨IÈvO}XCb`ªt¢Ä¢È¢VXeÅLøÅ·B
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iBook â PowerBook ÈÇÌm[g^Rs
[^ÅÍACommand L[ðµ½ÜÜd¹{^ð·ÆANMI ª¶µÜ·B
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VXeÍAN®É boot-args ÝèÏ©çfobOtOðÇÝæèÜ·B
DB_NMI rbgðÝè·éÉÍAܸA^[~iÅÌR}hðü͵ܷB
% nvram boot-args
±êÉæèAfobOtOÌ»ÝÌÝèª\¦³êÜ·B¡xÍAÌR}hðgÁÄ debug=0x4 ð»ÝÌÝèÉÇÁµÜ·B
% sudo nvram boot-args="<current settings> debug=0x4"
fobOtOÉÖ·éÚ×É¢ÄÍAKernel Programming ðQƵľ³¢B
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d¹{^ð 5 bÈãµ±¯éÆA¼¿ÉVXeÌd¹ªØêÜ·B
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d¹{^̱Ì@\ÍADB_NMI rbgªÝè³êé±ÆÈ Mac OS X ªÄN®³êéÜÅÛ³êÜ·Bdebug=0x4 ðȪµÄ nvram R}hðs·é±ÆÉæÁÄA±ÌrbgðNAūܷB
% sudo nvram boot-args=""
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±ÌrbgÍAuVXe«ÝèvðgpµÄN®fBXNðÏX·éêÉÍNA³êÜ·BܽAÄN®ðKvÆ·éCXg[ðÀs·éÆ«ÉàA±ÌrbgªNA³êéêª èÜ·B
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[2004 N 4 22 ú]
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